Are you ready to develop your understanding of computers from the inside out? In this course, you will discover hardware and software options for a computer, how computers work together to create networks, and how the internet works. You will explore the major types of software categories you will need to know in most professional spaces including word processing, spreadsheets, and database information. You will also develop skills like programming and app building before putting everything together in a final project where you’ll build an e-book. Let’s get started!

Unit 1: The Basics: Understanding Computer Hardware

We interact with dozens of computers every day, whether we realize it or not. From smartphones and ovens to grocery store kiosks, computers are all around us. Their purpose is to process information in a meaningful way, and it takes quite a lot of hardware to get the job done! We will explore the basics of computer hardware, peripherals, maintenance, and troubleshooting. At the end, get ready to apply your knowledge to a common hardware problem and solve it!

What will you learn in this unit?

• Compare and contrast types of computers and their purposes

• Identify and define the components of the von Neumann architecture model

• Describe on-board and add-on components of a computer

• Describe the purpose of peripherals and how to connect them to a computer

• Apply a common troubleshooting methodology for hardware problems

Unit 2: Data and Storage

Data is not just a technical computing term anymore—it affects almost everyone in one way or another. From the phones we use to the groceries we buy, data is being generated at unprecedented levels. All of that data needs to have a home, which is where secondary storage comes in. Get ready to learn about hot topics involving data and storage devices—and how they affect you!

What will you learn in this unit?

• Explain the difference between data and information

• Discuss how data mining and data analysts are connected

• Convert between decimal and binary values

• Distinguish which data type should be used to store particular pieces of data

• Compare and contrast different methods of storage

Unit 3: Systems and Software 101

If hardware is the body of the computer, then software is its mind. Software does the thinking for the computer in a variety of ways. It allows users to interact with the hardware and provides tools for maintaining it. Application software enables users to be productive and entertain themselves. The future of software development is exciting, futuristic, and just brimming with cool opportunities for new programmers. Software is a broad topic, so get ready to learn!

What will you learn in this unit?

• Describe the main operating systems in use today

• Explain the features of an operating system

• Give examples for why files and file management systems help with organization

• Use various application software programs to accomplish tasks

• Configure your Chrome browser and Gmail account

• Contrast the types of software delivery models and licensing options

Unit 4: Networking Fundamentals

The networking world is fast-paced and innovative. The internet can seem mysterious, but behind it are wires, cables, and satellites that carry data to and from computers. Different kinds of network hardware and software are used to enable this communication, and certain rules must be followed. Get ready to dive into the exciting world of the internet and learn just how simple yet complex it can be.

What will you learn in this unit?

• Analyze the benefits and risks of using a network

• Identify various types of networks and explain their purposes

• Describe the four major network topologies and name the types of internet service providers

• Explain the packet switching process

• Define and explain the functions of different pieces of network hardware

• Discuss network security issues and how to troubleshoot them

Unit 5: Word Processing

The business and academic worlds make heavy use of word processing software. Over 25 million people worldwide[1] use Google Docs, making it one of the most popular word processing applications. Not only does Google Docs provide basic functionality for creating and editing documents, it also has some cool collaboration features. Get ready to learn the ins and outs of Google Docs and how you can use it to enhance your writing.

What will you learn in this unit?

• Explain the basic terminology of word processing software

• Use word processing features for sharing and collaborating on documents

• Create and format documents using Google Docs

• Create professional documents using Google Docs

Unit 6: Spreadsheets and Databases

All of the data being generated daily in the world needs a place to live. Enter spreadsheets and databases. These kinds of software can help organize, retrieve, manipulate, backup, and export data in various ways. From the simplest spreadsheet to the most complex database, data storage technology is vital to the proper functioning of many societies. So get ready to learn what spreadsheets and databases are capable of by following along in Google Sheets and Airtable.

What will you learn in this unit?

• Create and format a spreadsheet

• Apply spreadsheet formulas and functions

• Analyze data through filters, sorting, and conditional formatting

• Demonstrate data visually by creating and modifying charts

• Describe database concepts and types

• Create a basic database and input data using a form

Unit 7: The World of IT Apps

From business communication applications and accounting software to educational learning management systems and personal smartphone apps, the world of IT apps seemingly knows no bounds! We will discover the uses of various applications, extend our file management skills, explore the browser, improve our online search strategies, and learn where to find tech help if we need it.

What will you learn in this unit?

• Describe and use software for personal and business tasks

• Develop file management techniques

• Demonstrate proficiency using a browser

• Configure a web browser using advanced settings

• Assess the validity of online sources

• Use search engines and search tools effectively

Unit 8: Programming Pro Tips

Programming is currently one of the hottest industries. Even careers that are not traditionally thought of as technical now require a basic level of programming knowledge. In this unit, you will walk through the basics of coding, beginning with the software development life cycle, and then move on to understanding how various programming languages help to solve problems. You will explore the world of algorithms, get exposure to the basic constructs of most programming languages, and even develop your own mobile app. Get ready for a jam-packed, fun-filled unit!

What will you learn in this unit?

• Compare and contrast programming language categories

• Define and recognize programming control constructs

• Describe basic programming building blocks and concepts

• Create a basic mobile app

Now that you know the basic workings of a computer, it’s time to put the computer to work! In this course, you will explore some of the basics of graphic design, web development languages, and coding. You will also learn about team building, communication and presentation software, and becoming a digital citizen, giving perspective on how to collaborate with others as you transition from school to the workplace. Lastly, you will uncover potential cyber threats and how to protect your own devices through features and behavior change before putting everything together in a culminating project: designing a website in Weebly. Let’s get to work!

Unit 1: Web Design

Websites are very important in our society. Businesses rely on them to market, advertise, share information, sell products, and communicate. But not all websites are created equal—some are attractive and professional while others are dull and unappealing. To make a visually appealing website or graphic, you’ll need some very important design skills. Let’s explore the basics of web design, web development, and graphic design.

What will you learn in this unit?

• Identify and use basic principles of image design

• Create a professional-looking graphic using Google Docs

• Identify and describe web programming languages

• Use storyboards to plan a website design

• Use HTML and CSS to create web pages

• Build and publish an interactive website

Unit 2: Code Like a Pro!

What do stoplights, coffee makers, and video games all have in common? They are all controlled by code! In our modern world, code is the basis for all of the technology that we use. One of the most popular programming languages is Python, and we’ll learn how to use it to create a fun text-based adventure game. We’ll also make sure our game is good to go by testing and debugging it. Get ready for a Python adventure!

What will you learn in this unit?

• Solve problems and think critically

• Differentiate among Python data types and describe their uses

• Employ mathematical operators in programs

• Create a text-based adventure game in Python

• Use random numbers in a game

• Fix errors in a game by applying debugging strategies

Unit 3: Digitally Speaking

From messenger pigeons and papyrus to paper and emails, communication sure has come a long way! We now have a range of tools at our disposal for workplace and personal communication. Let’s learn how to speak digitally by exploring some of these tools. We will set up and use a Gmail account to investigate the world of email. And along the way, you’ll learn how to mind your netiquette!

What will you learn in this unit?

• Explain the use of various kinds of collaboration software

• Use basic email functions to send messages

• Apply advanced email settings to collaborate with others

• Employ effective nonverbal and verbal communication skills

Unit 4: The Good and the Bad: Trends and Threats

With new innovations such as augmented reality, artificial intelligence, and smart devices, the future of tech has never looked so bright! But in this fast-paced, ever-changing industry, threats are equally fast-paced and evolve just as quickly. Cybercrime is rampant, and many individuals and organizations are falling prey to cyberattacks. We’ll discuss the specific threats that are out there, how to recognize them, and how to prevent them. Also, you’ll learn some best practice tips along the way to keep yourself safe.

What will you learn in this unit?

• Discuss how technology trends affect society

• Identify and describe security threats

• Explain how different types of malware work

• Describe issues relating to internet safety

• Explain how to maintain digital privacy and security

Unit 5: Building Bridges

Relationships among different groups of people are important to a well-functioning business, whether it involves peer, employer–employee, or mentor–mentee relationships. Communicating, collaborating, and resolving conflict well are vital elements of working in a business environment. IT tools can help these relationships function smoothly by meeting a variety of needs within the company.

What will you learn in this unit?

• Describe the importance of various types of relationships within the business world

• Learn and apply strategies for resolving conflict in the workplace

• Demonstrate awareness of workplace safety

• Recognize the importance of leadership skills and teamwork

Unit 6: Become a Pro at Presentations

Presentation software is useful as a visual aid accompanying a speech or lecture. Google Slides is one of the most popular types of presentation software. It offers a variety of options to add multimedia content and collaborate with other people. We will learn basic features as well as more advanced aspects of Slides that can be used in a business context. Get ready to start creating your very own presentations!What will you learn in this unit?

After studying this unit, you will be able to:

• Explain the purpose of presentation software

• Put together basic presentations and add multimedia content

• Create and incorporate business-related elements in a presentation

• Apply appropriate slide transitions and animations to a presentation

• Demonstrate planning and time management skills

Unit 7: The Legal and Ethical Side of IT

With all the data we interact with online, there is a great need for privacy and security. But sometimes it’s unclear what we can and cannot do with data, and legal or ethical issues may surface. In this unit, we’ll look at intellectual property and how to protect it. We’ll also examine the issues of confidentiality, integrity, and availability with the goal of understanding how to behave securely, legally, and ethically.

What will you learn in this unit?

• Summarize confidentiality, integrity, and availability concerns relating to data

• Describe potential threats to a company’s data, hardware, and software

• Discuss ethical and legal issues related to IT

• Investigate online sources to help you avoid plagiarism

• Summarize behavioral security concepts

Unit 8: Pathways to Expanding Your Involvement in IT

As you reach the end of this IT course, it is really only the beginning of your journey! Begin preparing for your future today by exploring your options for joining professional organizations, becoming involved in a computing club, giving back to your community, taking part in competitive programming, and becoming a lifelong learner. Being an IT professional is not simply about having the right skill set, as important as that is. You also need to be a good digital citizen and be conscious of how your actions affect the wider community.

What will you learn in this unit?

• Identify potential IT clubs and organizations to be involved in

• Discuss the benefits of competitive programming

• Read and understand technical material from magazines, journals, and books

• Be a responsible digital citizen who promotes security and advocates for fairness online

• Develop employability skills and knowledge

What would happen if we didn’t have the internet? The internet is one example of a network, so you can only imagine why networking careers are essential. Start exploring the fundamentals of networking, learning about the different parts of a computer and hardware, network operating systems, and understanding how common network devices can be connected. You’ll get hands-on to explore different types of cables used to create networks – and even make cables in Wired Networking activities. Get started with your introduction to networking!

Unit 1: The Computing Environment

Welcome to the world of networking! While we all know what computers are and how to operate them, it makes sense to step back and look closely at the basics. Everything starts with a strong foundation. To supply that foundation, we’ll dig into the definitions and component parts that you need to know to understand computers and networking. What exactly does the computer do? What parts are responsible for the computer’s basic operation? There’s also power to consider: how it makes things run, how to harness and measure it, and how to stay safe when using it.

What will you learn in this unit?

• Define the computer and describe how electricity is measured

• Describe electrical components and charge

• Discuss number systems and data management

• Outline specific ways to keep yourself, your electronics, and your identity safe

Unit 2: Computer Hardware Components

When you think of computer networking, you might conjure abstract images of information passing through space to connect people. But a lot about networking is very hands-on. Computer hardware includes the physical components of a computer, the ones you can touch. There are various physical components that you can see, such as the monitor, keyboard, mouse, and speakers, but there are many physical components that you cannot see, such as the motherboard, video card, and central processing unit, to name a few. Our goal is to learn about all the various hardware components used to create a computer.

What will you learn in this unit?

• Explain the purpose of a motherboard

• Identify the functions of the CPU

• Articulate the types and purposes of memory

• Explain expansion slots and cards

• Identify storage and multimedia devices

• Describe the functions of communication ports and devices

Unit 3: Computer Peripherals

There are lots of devices that can be attached to a computer to either input data or produce output. The needs of each individual computer user are different, so the number of input and output devices attached to a computer system can vary greatly. For a networking professional, it’s important to be familiar with these various options and to know how to troubleshoot any issues that might arise.

What will you learn in this unit?

• Identify and describe the functions of input and output devices

• Classify devices as input or output

• List different types of printers and explain their functions

• Explain how to troubleshoot input and output devices

Unit 4: Software Programs for Computer Systems

Computers need system software (operating systems) in order for humans to interact with them and software applications to manipulate data to produce an output. Computer network operating systems provide shared resources, file storage, and added security. There are many different network operating system programs to choose from, depending upon the needs of an organization.

What will you learn in this unit?

• Plan a Windows installation

• Examine and support the operating system using Windows tools

• Articulate the specifics for the Mac and Linux OS

• Discuss application software across different operating systems

• Discuss the specifics associated with network operating systems

Unit 5: Fundamental Networking Concepts and Principles

Today’s world, economy, and citizens live in and on the internet. Surfing the web, streaming on-demand movies and sports, e-commerce shopping, and online friendships and dating are expected and necessary parts of society. Because of this, it is important for individuals to be aware of the risks associated with the internet, the world’s largest network.

What will you learn in this unit?

• Define networking and describe the purpose of a network

• Identify and describe the different networking topologies

• Differentiate between the different types of networks

• Explain the function of a router and a switch

• Describe a client/server environment

Unit 6: Wired Networking

Everywhere we go we are surrounded by wireless networks: the grocery store, restaurants, and libraries, just to name a few. Odds are you have a wireless network at home. However, wireless networks have a set number of devices that they can support, and the signal can be unreliable, which is why businesses have wired networks. They provide a stable connection at a faster speed.

What will you learn in this unit?

• Explain the difference between broadband and baseband transmission

• Describe simplex, half-duplex and full-duplex communication

• Explain twisted pair cabling and identify wiring faults

• Define Ethernet (802.3) standards

• Explain the difference between a hub, switch, and router

Unit 7: Wireless Networking

The internet is everywhere and is readily accessible to anyone. Now more than ever we release our personal and private information at the click of the mouse as we participate in our networked society, and although we may be intentionally sending our personal data to a contact for a specific purpose, we can’t always be too sure that no one else has intercepted that data. When using wireless technologies, especially open networks, there are certain preventive and protective measures you should know how to take to keep your private information private.

What will you learn in this unit?

• Distinguish the various types and uses of wireless network devices

• Describe various wireless access methods

• Connect the types of cloud computing with their best uses in businesses

• Troubleshoot and resolve common wireless issues

• Set up a home wireless router

Unit 8: Setting Up Your Network

Information Technology (IT) jobs are in high demand with millions of unfilled jobs across the country. IT jobs are diverse and include programming, cybersecurity, cabling, network technician, network administrator, project manager, systems administrator, and systems engineer. Find the right area for you and watch the world of technology continue to evolve around you.

What will you learn in this unit?

• Identify student organizations and competitions that contribute to IT and network-related coursework

• Connect the various aspects of a career plan to concrete decisions about coursework, extracurricular activities, and on-going professional development

• Describe how a positive professional outlook contributes to a positive workplace environment

• Contrast various networking careers and their educational and skill requirements

Network administrators are responsible for the oversight of an organization’s computer network. This includes installing hardware and software but also relies on considerable technical skills to resolve network issues. Discover how to set up a network, troubleshoot problems, monitor network security, infrastructure, performance, and contribute to creating policies and procedures. As a network admin, you’ll help keep businesses safe and running correctly.

Unit 1: Internet Protocol Fundamentals

We have all come to rely on the internet for instant answers to questions, as well as research, education, and entertainment. Exactly how do our devices access the internet, and how does the internet know where to send the requests for data? The answer is by the Internet Protocol (IP) address of the device. IP addressing provides a base for all other network and user services, making it the core of network design, even a network as large as the internet.

What will you learn in this unit?

• Compare and contrast static, dynamic, public, and private IP addresses

• Differentiate between classful and classless addressing

• Explain TCP/IP protocols and ports

• Identify IPv4 address classes and subnet masks, and develop addressing scheme with subnet chart

Unit 2: Networking Services

How do the words that we enter into a Google search actually travel across the internet? How does your computer know how to “find” another computer when sending data? You’ll learn about how the domain name system resolves computer names to IP addresses, how the dynamic host configuration protocol ensures that each device on a network has a unique address, and how that data actually moves from point A to point B.

What will you learn in this unit?

• Describe how the Domain Name System (DNS) functions

• Explain the operation of the Dynamic Host Configuration Protocol (DHCP)

• Compare and contrast VPNs and remote access

• Differentiate between the internet, intranet, and extranet

Unit 3: Network Design

A company’s computer network is more than likely the most important aspect of its business; it connects devices, provides for secure data storage, and enables employees to work efficiently. For most businesses, it is essential that the network is correctly set up not only to meet their current needs but also with the capability to grow. This introduction to network design brings previously learned concepts together as the elements of design are examined and put into practice.

What will you learn in this unit?

• Design a network completing the seven steps of the engineering design process

• Discuss different types of network documents

• Compare and contrast network storage technologies

• Explain the principles, benefits, and functions of virtualization

• Identify common backup strategies and procedures

Unit 4: Network Monitoring

Believe it or not, creating a new network is the easy part! After it is up and running, the challenge becomes maintaining and monitoring the network to ensure that it is working efficiently, and the data is secured. And once people begin using the devices, there will be problems as the devices malfunction, fail, or otherwise do not work properly. Maintenance and monitoring are conducted daily and, in larger networks, might be a network technician’s only responsibility.

What will you learn in this unit?

• Describe tools used to monitor network security, infrastructure, and performance

• Explain the purpose of establishing baselines

• Elaborate on various ways to ensure system integrity

• Summarize possible printer errors and troubleshooting methods

Unit 5: Network Troubleshooting

The ability to troubleshoot is an essential skill one needs when working as, or when trying to obtain a job as, a network technician or administrator. Network troubleshooting requires a good methodology and an understanding of connectivity, infrastructure issues, and the tools needed to address them. There are many ways to develop these skills, such as tinkering with your own network at home and volunteering at churches, Boys and Girls Clubs, and recreation centers that have a computer lab. You cannot put a price on practical experience.

What will you learn in this unit?

• Summarize the network troubleshooting method

• Discuss ways to troubleshoot various wired and wireless transmission issues

• Explain how to address infrastructure issues, including hardware failures and bottlenecks

• Identify hand tools and software tools used in troubleshooting network problems

Unit 6: Network Security: Threats and Mitigation

There are many threats to network security, and most security breaches are caused by people, not devices. Network administrators must secure the network against both outside and inside threats. And a hacker only needs to find and exploit one vulnerability in the system, so a network administrator has to try to eliminate them all! Understanding these types of attacks and how to prevent and mitigate them is key to keeping the network protected.

What will you learn in this unit?

• Distinguish between network vulnerabilities and exploits

• Compare and contrast common network security threats

• Explain the concept of device hardening and discuss methods

• Identify and explain data protection techniques

• List physical security devices and summarize their uses

Unit 7: Network Security: Policies and Procedures

Years ago, when computers and networks were not in widespread use in the work environment, network administrators lost their jobs if unauthorized access occurred. Today, it isn’t a question of if but when. Networks will be attacked and unauthorized access is likely to occur. In today’s networked world, the goal is to be proactive, not reactive, and continue to find ways to make it more difficult for a hacker to gain access. Logon, disposal, and forensic procedures must be secure, and there should be policies in place to protect all data and equipment.

What will you learn in this unit?

• Explain user logon procedures, including authentication, authorization, and accounting

• Compare and contrast authentication types

• Identify and discuss recommended elements of a password policy

• Describe proper disposal procedures for data and electronic equipment

• Summarize forensics procedures

Unit 8: Success in Networking: Other Skills and Duties

Network administrators develop numerous technical skills to troubleshoot and resolve network issues. However, these are not the only abilities that are needed to be successful in the job. Soft skills, such as interpersonal and communication skills, attitude, ethics, problem solving, and thinking critically are more important to employers than technical abilities. Employers can train employees to perform the technical aspects of their jobs. Developing employees’ soft skills, which are based on behavior and personality, is much harder to do.

What will you learn in this unit?

• Employ effective verbal and nonverbal communication skills

• Solve problems and think critically

• Demonstrate an understanding of legal, ethical and safety responsibilities in relation to the IT field

• Identify potential benefits and problems for the future of telecommunications and data networking

The world has never been more connected than it is today and through advancing network technologies, tomorrow will be even more tightly united. In this course, you will learn about a variety of different networks, their layers, and the different needs they address. You’ll uncover best practices for setting up secure remote access connections, techniques to troubleshoot and think strategically, and correct documentation. Lastly, you’ll learn tips to successfully communicate in the workplace. Get ready to support tomorrow’s connectedness today!

Unit 1: Ports and Protocols

Throughout history, communication has always been on the forefront of progress. The ancient Romans developed roadways to connect parts of the empire and increase its influence. The Pony Express used a relay method of exchanging exhausted horses for rested horses to deliver messages more efficiently. The ability to communicate has shifted the landscape of the world, shaped cultures, and propelled civilization into the modern era. Computer networks have created the most connected world—far more than any other advancement. The ability to video chat with a friend on the other side of the world is both impressive and fascinating. How can information travel that quickly? What components are in place to make it work so seamlessly? We’ll explore these questions and many more, so let’s dive in!

What will you learn in this unit?

• Discuss the fundamental principles that guide communication in a network

• Describe essential protocols and their function within computer networks

• Define the functions of ports in managing network traffic

• Compare and contrast different types of computer networks

• Identify the pros and cons of different protocols for routing optimization

Unit 2: The Fundamentals of Networking

The same fundamental structures create the foundation for networking, whether it be small-scale networks or global networks. We use foundational structures to organize, implement, and troubleshoot networks so that they can work seamlessly, no matter the scale that they are operating on. These networking standards are accepted around the world, and without this global adherence to the same standards, networks as we know them today wouldn’t exist. These models were created many years ago, but they haven’t lost their relevance as the basis for network transmission. There have been advancements and changes, but the core pieces of methodology remain consistent and resilient when offering efficient networks on every scale. So, since it looks like these networking models are here to stay, let’s jump in and learn about them!

What will you learn in this unit?

• Identify and describe the layers of the OSI model

• Compare the TCP/IP model to the OSI model

• Explain the function of software-defined networks and their role in modern computer networks

• Discuss troubleshooting methodologies

Unit 3: Data and Cabling

Networks can be incredibly complex, requiring a vast amount of hardware and software working in concert to operate successfully. As we discussed in the last unit, we use the TCP/IP and OSI models to break networks down into different layers so that they can be better understood. In this unit, we’ll take a closer look at the physical layer so that we can understand the actual physical components that create the bases of networks and how these devices pass information. Let’s get to the bottom of things!

What will you learn in this unit?

• Identify the common types of cables in an Ethernet network

• Compare and contrast various cables and their capabilities

• Explain transmission modes and the path that information travels

• Discuss scenarios that require Power over Ethernet (PoE) implementations

Unit 4: Types of Networks and Infrastructure

Can you imagine what our world would look like today without networks? Some networks are built physically, and some are organized virtually in a theoretical network structure. As technologies advance, the configurations of these networks become more autonomous with hardware that can make decisions for users dynamically. However, networks still require humans to address users’ needs by correctly configuring the devices for optimal functionality. Whether it is a smart fridge that orders groceries or a multi-million-dollar precision machine that needs schematics, both rely on networks to function. There are so many types of networks for a variety of needs, and we have only touched the surface!

What will you learn in this unit?

• Define major network types, their uses, and their purposes

• Describe various types of WANs, from legacy technologies to modern-day implementations

• Identify the purpose of a subnet and its role in network configuration

• Explain why VLANs are used

• Discuss cellular technologies and router configurations

Unit 5: Fundamental Networking Concepts and Principles

The further we get into networking and how it all works, the more important it is to know the difference between theory and application. If a friend told you everything you needed to know about rebuilding an engine and how to use the tools to do it, do you think you could? Networking concepts need to be understood, but it is important to consider the application of those concepts too. In this unit, we will discuss the configuration of the protocols that we have previously covered and some that we are just learning about. We’ll cover the basics of how things like websites are created and supported through servers. We’ll also configure some of the most fundamental protocols that are needed in networks. Let’s get practical!

What will you learn in this unit?

• Discuss the uses and functions of web servers and websites

• Analyze protocols for data sharing and secure remote communication

• Determine the best methods to implement and maintain hardware and software for network infrastructure

• Describe network protocols and how to support connectivity

• Explain configurations for workstation network operations

Unit 6: Remote Access and VPNs

You’ve probably noticed that no two networks are the same—they are all complex and require a range of solutions! One need that is rapidly expanding is the requirement for remote access. As the global workforce trends towards remote work, networks are tasked with providing implementations that will offer the ability to work from anywhere at any time. However, creating and establishing a connection is just the beginning when setting up remote access. There are many security risks, and you must ensure that you take every step to eliminate the threats to networks that are being serviced.

What will you learn in this unit?

• Describe the purpose and uses of VPNs

• Explain the technical components and inner workings of VPNs

• Discuss the types of VPNs that are commonly implemented

• Compare remote access connections and distinguish their advantages

• Plan the implementation, configuration, and installation of VPNs and remote access protocols

Unit 7: Troubleshooting Networks and Connectivity

In networking, it is not a question of if there will be problems but when. There are physical parts that degrade over time, and all hardware will eventually fail. However, software can be an even bigger problem when it comes to the challenges that a network faces. A firewall might filter traffic that should be allowed, a software update might make a device incompatible with a network feature, and a lack of an update could render a device useless. Although you will undoubtedly face issues with networks, you can deal with them by using clear, concise troubleshooting techniques to handle the situations and act toward a solution. In this unit, we will cover a variety of troubleshooting techniques that will help you make decisions, act strategically, and find the issue. Let’s start solving problems!

What will you learn in this unit?

• Calculate the severity of a network problem and implement an appropriate solution

• Demonstrate techniques for speed and throughput issues using network software

• Devise methods to monitor and remediate signal quality

• Implement troubleshooting techniques to produce solutions for shared access technologies

• Solve website access restrictions and network adapter failures

• Formulate a plan to solve common remote access problems

Unit 8: Procedures, Records, and Documentation

As much as we like everything to go exactly as planned, many situations require that we be prepared for anything. It is necessary to have a backup plan, evaluate what you did right in a situation, reflect on it, and maybe even help others by showing them the mistakes you made. Networks are no different; we need a plan and a backup plan. We must document our plans and keep an ongoing collection of data. Instituting a standardized way of doing things is important for everyone who interacts with the network. In this unit, we will take what we understand about networks and use that to develop documentation and effective procedures. We’ll cap off the unit with some tips for communicating in the workplace that will help make your future career a big success. Here we go!

What will you learn in this unit?

• Discuss the need for documentation and procedures in networks

• Develop methods for documentation and procedures for a variety of network situations

• Describe the life cycles of devices that are used in a network

• Demonstrate an understanding of databases in relation to documentation and procedural implementation

• Employ effective communication skills in the workplace

You’ve learned the basics of networks, and now it’s time to dig deeper into the intricacies and inner workings of these channels. In this course, you’ll learn the methods used to manage traffic, transmissions, and users based on organizational needs and the important decisions that go into building an optimal network. You’ll explore types of malicious attacks and the role that risk management plays in the strategic planning to prepare for, monitor, and efficiently remediate damage. Lastly, you’ll investigate processes that can be used to prevent, monitor, and notify of these events to employ action plans quickly. Get ready to advance your networking prowess! Let’s get started!

Unit 1: Managing Networks

Think about how access to school is controlled each day. You may need to scan your ID, walk through a metal detector, or use wireless communication mounted on a wall to unlock a door. In a network, a high degree of monitoring is required for security, availability, and optimization. Managing networks is very much like this. Users receive permission to complete specific actions on a network, and there are systems in place that control their movement. Not everyone can get onto a network, and doing anything that is not allowed is highly visible to network administrators. This unit is all about learning the methods used to manage traffic, transmissions, and users, so here we go!

What will you learn in this unit?

• Define the purpose of change management, and describe how it can be used

• Evaluate types of network logs and practices

• Analyze methods for maintaining network logs

• Discuss best practices to implement network monitoring

Unit 2: Data, Storage, and Optimization

Like a puzzle that you need to solve, networks are full of options, and it is up to you to figure out what the best choices are. Understanding organizational needs and making the right decisions are critical parts of the process. You might need to consider the deployment methods, infrastructure, what systems respond best to change, addressing schemes, and storage methods. Luckily for you, this unit covers it all! We’ll dive deep into the methods surrounding many of the important decisions that you will make as you build an optimal network that best serves the needs of your organization.

What will you learn in this unit?

• Explain deployment methods, including public, private, and cloud

• Describe automation and orchestration requirements

• Assess the advantages and disadvantages of elasticity, scalability, and multitenancy to determine the most suitable application

• Calculate and convert various numbering systems, including hexadecimal, binary, and decimal

• Differentiate between storage methods and contrast the uses of NAS, cloud, and extended storage

Unit 3: Network Architecture

We keep talking about network architecture, but what is it? You are probably familiar with thinking about architecture in terms of how a building is made, including the engineering used to support the structure, the strategy of the layout, and even the aesthetics. Believe it or not, network architecture actually has a lot of similarities to traditional architecture! Although networks are highly standardized, there are a lot of options available when creating them and for the methods used to construct them. There are considerations such as how the network traffic will flow, how it will be managed and monitored, and what will make it the most effective for the demands of the organization that it serves. Let’s learn how to build the best network we can!

What will you learn in this unit?

• Identify three-tier network architecture, both theoretically and when implemented

• Define spine-leaf architecture and compare it to three-tier network architecture

• Describe how traffic flows within a network

• Discuss the concepts of architecture and traffic flows within the context of data center locations and the advantages/disadvantages they possess

Unit 4: Responding to the Unexpected

As sure as the sun rises in the east and sets in the west, disasters will happen, and network components will fail! In this unit, we discuss the need for formalized plans when the unexpected occurs and how to define the parameters of the response. As the size of the organization and the infrastructure that supports it grow, more preparation is required to provide a comprehensive response. How will your plans take into account the organization’s employees, stakeholders, facilities in other locations, and cloud-based services? Without plans in place to respond on an organizational level, the response might not be quick enough. We will also investigate methods and processes that can be used to prevent, monitor, and alert us to these events so that plans can be employed quickly. Let’s get prepared!

What will you learn in this unit?

• Describe a business continuity plan

• Explain disaster recovery, including NIC teaming and multipathing

• Plan solutions to common network hardware issues in response to the disruption of services

• Discuss high availability concepts, including active, passive, and cloud sites

• Compare routing protocols for prevention and response to disaster recovery

Unit 5: Security Management

The world of technology is full of security threats, and it isn’t possible to avoid malicious attacks on an organization’s infrastructure. Still, while we can’t stop an attack from happening, we can prepare for attacks, monitor them, and efficiently remediate any damage caused. This lesson is all about the types of attacks that you will encounter and the role that risk management plays in strategic planning. Risk management encompasses a wide variety of tactics and assessments that are used to prepare for the threats that technology faces.

What will you learn in this unit?

• Compare attack types, including piggybacking and tailgating

• Interpret security risk assessments and vulnerability assessments

• Describe penetration testing

• Devise posture assessments and business risk assessments

• Summarize process assessments and vendor assessments

• Define security information and event management

Unit 6: Wireless Security and Threat Planning

Building secure networks demands a range of skills. Think about physical buildings and the many things we do to protect them from a variety of dangers. There are screens on our windows and locks on our doors to keep out pests and unwanted visitors. You might also have a camera so that if something bad does happen, you can go back and see exactly what went wrong. Networks are likewise protected in a variety of ways. In this unit, we will discuss how to protect and secure networks by investigating topics ranging from fundamental methods and frameworks to protocols and planning. Once the network is built, you will be able to ensure that it stands the test of time.

What will you learn in this unit?

• Give scenario-based examples to explain wireless security concepts

• Evaluate the methods and implementation of wireless security concepts

• Analyze least privilege, role-based access, and zero trust

• Compare various security protocols including LDAP and Kerberos

• Harden a network to ensure its integrity

• Define cryptography and make plans to prepare for change, unexpected incidents, and common malicious attacks

Unit 7: Troubleshooting Storage and Security

Whether it is our personal documents and pictures or a company’s data, we store quite a bit of information on computers and servers. Most people put things on their computer, a company server, or the cloud and don’t think any more about it. For network administrators, however, being prepared for the what ifs is an important part of the job. People panic when they can’t find the file that they are looking for. If a business loses data, that has a definite financial impact on the business. Let’s find out how to make sure that doesn’t happen.

What will you learn in this unit?

• Utilize basic tools to find disk and volume errors

• Repair problems with files and folders

• Create and implement safe account policies

• Analyze a system for errors

• Minimize the attack surface of a system

Unit 8: Professionalism, Employability, and Security

Advanced technical skills are necessary but insufficient on their own for a great career. Indeed, there is another trait that can lift up professionals who may lack some skills: professional etiquette. Professional etiquette is a highly sought-after trait in the technology community. It is vital. A network professional must be an excellent problem solver, a resourceful person, and an effective communicator. A technology professional is required to work in teams quite frequently and operate within the boundaries that their organization’s policies and procedures outline. An effective technology professional can discuss their content area with other technology professionals and translate complex concepts for non-native technology users.

What will you learn in this unit?

• Evaluate and highlight formal agreements, including NDAs and service-level agreements

• Demonstrate an understanding of a range of roles and professional responsibilities

• Act as a strong teammate and leader

• Develop your career with internal performance goals and external certifications

Computers are soldered into all aspects of our daily life, and when they stop working, it can seem like our network has collapsed. If you are fascinated by the inner workings of computers and how to keep them running, then a career in computer maintenance may be for you! In this course, you’ll learn how computers are set up starting with the software and operating systems and what to do when hardware and software issues are encountered. You’ll learn different types of data communication, various power supply units, essential components like motherboards and memory and much more! Grab your personal expansion card, and let’s hardwire some new knowledge about computer maintenance.

Unit 1: Software Applications

You can’t do a whole lot with your computer if you don’t have software applications! Think of all the different processes for which you might use a computer: creating documents, video conferencing, preparing presentations, creating a script for a computer game, the list goes on and on. As a network technician in training, you will interact with the software applications used at your place of work. You will need to understand the licensing, installation, management, and troubleshooting of application software. Let’s get started!

What will you learn in this unit?

• Identify the different types of software applications

• Compare closed source and open source software, and describe different types of licensing for software use

• Contrast local and network software installation, and explain the difference between an update, patch, service pack, and upgrade

• Discuss the various Windows Control Panel applets

• Summarize the steps in the IT troubleshooting process

• Troubleshoot application software issues

Unit 2: Operating Systems

Before we get to all the various hardware you can install on a computer, we need to talk operating systems! Your OS controls a computer’s hardware and is where all the software applications run. As a network technician, you might deal with operating systems on a variety of devices, such as desktop computers, servers, tablets, and smartphones. In addition to knowing how an OS is installed or upgraded on all the computer types you may come into contact with, you also need to know the features and tools for different operating systems, and how to troubleshoot OS problems.

What will you learn in this unit?

• Describe operating system requirements, including device types and processor options

• Explain the elements of OS installation, including boot methods and installation types

• Discuss basic Windows OS security settings

• Utilize various Windows OS features and tools

• Compare and contrast the features and tools of the Mac and Linux operating systems

• Troubleshoot various Window OS issues

Unit 3: Printers

Who even uses a printer anymore? While most documents can be sent back and forth electronically, sometimes a hard copy of a document is required for official transactions. A network technician needs to have an active knowledge about the various types of printers because you never know what type of printer you might be asked to install or troubleshoot while on the job.

What will you learn in this unit?

• Differentiate between printers, virtual printers, scanners, and readers

• Describe laser and inkjet printer functionality, parts, and maintenance

• Compare and contrast impact, thermal, and 3D printers and their associated parts and maintenance

• Install wired and wireless printers

• Troubleshoot common printer issues

Unit 4: Operational Procedures for Optimal Network Performance

In many ways, a network technician is like a gatekeeper—responsible for protecting the hardware, software, and data that an organization relies on to get things done. This is no small task. Luckily, there are lots of tools to help technicians be the eyes and ears of the network and keep it safe and functional. From automation strategies to documented guidelines and safety procedures, you don’t have to reinvent the wheel—you just have to keep it spinning!

What will you learn in this unit?

• Explain how data is communicated and translated into binary, denary, and hexadecimal numbering systems

• Automate various tasks using scripts

• Follow safety procedures and dispose of electronics in an environmentally friendly manner

• Use hardware legally and ethically

• Adhere to legal and ethical guidelines when using software

Unit 5: Power and Peripherals

Let there be light! One of the foolproof ways we can know if a device is functioning is if we see the “power” light on. In networking environments, perhaps the most important component of a computer is the power supply; without it the computer just does not work! In this unit, we will learn what a power supply is and what it does. Then, we’ll learn about various types of displays and peripheral devices that can be added to create a customized computer system. Finally, we’ll talk about how to troubleshoot power supplies, video displays, and peripherals.

What will you learn in this unit?

• Understand how electricity flows through electrical devices

• Summarize power supply types and features

• Explain how input and output devices work

• Discuss the function of specialized peripheral devices

• Troubleshoot power, battery, peripheral, and display issues

Unit 6: Cables, Connectors, and Tools

Can we even imagine a world without the internet? Or video streaming? Probably not. But believe it or not, the way that media has been delivered to us has changed quite a bit over time. Let’s learn about the cables, connectors, and tools that bring us the entertainment and information we need for work and school and how to fix some major problems we may run into when using the internet or setting up computers.

What will you learn in this unit?

• Compare and contrast internet connection types and their features

• Explain cable types and their uses

• Identify various types of connectors

• Troubleshoot problems with cables, connectors, and internet connections and identify applicable troubleshooting tools

Unit 7: Motherboards, CPUs, and RAM

They say a triangle is the strongest geometric shape because, unlike other polygons, it cannot be transformed into other shapes by applying pressure. Its lines can’t move or slant—it just is what it is, and it is not going anywhere! The motherboard, central processing unit, and random access memory are like the three sides of your computer triangle. They are the most important components of a computer system because they decide how fast the system can process the data. Let’s take a look at how these parts operate and what to do when you run into issues with them.

What will you learn in this unit?

• Compare and contrast various motherboards types and features

• Understand how BIOS and UEFI help the boot up process

• Identify the components and functions of a CPU

• Discuss how RAM processes data and eliminates errors

• Troubleshoot issues with motherboards, CPUs, RAM, and other computer parts

Unit 8: Storage Devices and Custom Builds

The ability to store data files, videos, and pictures is a vital function of a computer for most users. But those files all need somewhere to live. That’s where storage devices come in. Think of a storage device like a file cabinet—only you have a lot more “folders” on it than you can fit into any physical file cabinet. Depending on the type of custom computer setup you’re building, your storage needs will vary. Whether you’re into graphic design, audio or video editing, or gaming—or dream of maintaining a large commercial network—let’s build the computer of your dreams!

What will you learn in this unit?

• Describe the purpose of internal hard drives

• Discuss several varieties of portable storage options

• Explain how RAID provides protection against drive failures

• Design a custom computer for different needs

• Problem-solve issues with storage devices using troubleshooting steps

Almost anywhere we go today, from malls to coffee shops, and even our homes is an intertwined web of wired, wireless, and cloud-based networks that access our personal data. In this course, you’ll dig into computer networks and their extensive capabilities. You’ll explore data exposure and how to mitigate threats, discuss the fundamentals of network design and layout, learn how cloud-based services store data, discover the differences between wired and wireless networks, and dream of possibilities as you explore fun network options like smart home systems. Let’s continue navigating the complex world of computer maintenance.

Unit 1: Mobile Devices and Laptops

Mobility—it’s really our way of life! Our culture has gotten used to transporting laptops around with us; but as technology keeps advancing, most of us can now carry a very powerful computer in our pocket: the smartphone. While some people use their phones as a computer, others prefer to only use a few apps and see it as, well, a phone! Let’s look at how laptops and mobile devices function and how we can solve any issues we may run into when using them.

What will you learn in this unit?

• Explain the differences between laptops and desktops

• Explore the characteristics of mobile devices

• Discuss how to connect and sync mobile devices

• Consider emerging mobile technologies

• Troubleshoot problems with laptops and mobile devices

Unit 2: Network Fundamentals

Take a look at your calendar or planner. Chances are, you have your time divided into different blocks—school, work, community events, sports practice, meals. As we go about our daily lives, weaving in and out of our homes, schools, stores, or restaurants, we’re constantly entering and exiting invisible territories: networks! Networks have become a part of our daily lives, even if we don’t realize it. Because we now live in a digitally connected world, knowing some basics about networks is crucial—not only so we can communicate efficiently but also so we can make choices that keep our data safe too.

What will you learn in this unit?

• Identify network topologies

• List the layers of the OSI model and describe their function in allowing data to flow through networks

• Define ports and protocols

• Consider how Windows networks function

Unit 3: All About Servers

When you input a search request into Google, a web server responds and provides the search results. When you log in anywhere, you enter your username and password, and a server authenticates your credentials—this means that it matches the username to the password. If it matches, access is granted; if it doesn’t, access is denied. When you access the internet, your internet service provider (ISP) has a server that authenticates the IP address of your computer to allow access. What’s the common denominator here? Servers! Let’s explore what servers are (hint: they are real, tangible things!), what they help us do, and how they work.

What will you learn in this unit?

• Describe the function of web and mail servers

• Explain what file and print servers do

• Discuss how DHCP and DNS servers work

• Consider how authentication and proxy servers function

• Provide administration and troubleshooting for servers on a network

Unit 4: Network Hardware Devices

Networks are all around us: at home, work, school, the library, or the gym. And by now, we know a lot about how networks are designed and how the computers within networks function. But what is behind the walls, in the ceilings, and under the floors that connect the devices and make the network work? It’s time to learn about all of the devices that make these networks possible!

What will you learn in this unit?

• Describe how a modem and router work

• Explain the difference between a hub and a switch

• Extend the reach of your wireless signal

• Consider what other network devices you need in your network

• Troubleshoot common issues with network hardware devices

Unit 5: Cloud Computing

It seems that no matter what decade, whenever we envision the future, we think of flying cars. We’re still not there, but cloud computing has brought us to the horizon of modern data storage trends. Cloud computing has transformed industries like IT and education, but it has also changed the way we access data personally. In the cloud, we have infinite scalability and flexibility, so companies can grow more easily because they don’t have to build a huge new server room each time they expand. You’re probably familiar with some of the well-known cloud providers like Amazon Web Services, Google Cloud, IBM Cloud, and Microsoft Azure, but let’s learn about what goes on behind the scenes to give us remote access to data and services at lightning speed.

What will you learn in this unit?

• Describe the cloud and cloud computing

• Define various ways to store data in the cloud

• Analyze cloud computing models and providers

• Consider the purpose and use of virtual machines

Unit 6: Wired Networks

These days, it seems like everything is wireless, right? But, there are still advantages to using a wired network. Wired networks have dedicated bandwidths and fewer network traffic interruptions, so data arrives at its destination in a timely manner. They also have less interference from other devices, so they suffer fewer outages. That’s all important, but wired networks can also be fun! Want your fridge to tell you when you’re out of milk? It’s possible with wired networks. Let’s think deeper about the wired networks we rely on at home to see how they really work behind the scenes and start thinking about how we can incorporate wired devices into our dream smart home.

What will you learn in this unit?

• Explain how to configure a router

• Describe what quality of service (QoS) is

• Configure network interface cards, switches, and modems

• Discuss the basic components of smart homes

• Troubleshoot issues with wired networks

Unit 7: Wireless Networks

Chances are, you are more or less the tech expert in your household. You can help people set up computer equipment and troubleshoot issues that would frustrate most users. In a SOHO environment, we rely on our devices and wireless connectivity for just about everything we do. Knowing what these pieces of equipment are, what they do, and how they work is essential to keeping everyone in the home happy. After all, what’s life if you access the internet?

What will you learn in this unit?

• Explain how to configure various wireless devices

• Describe wireless protocols

• Choose from popular smart devices

• Explain how to secure and troubleshoot wireless networks and smart devices

Unit 8: Advanced Security Concerns

Identity theft is a multi-billion dollar business with most identity thieves going unpunished. How can we keep our personal data and that of our company safe in digital times? Security is an important aspect of being a responsible digital citizen. Some tactics we’re pretty familiar with already, but there are still quite a few more advanced security concepts that we’re in a prime position to handle now. You’ve designed networks, built computers, dreamed up an awesome smart home, and now it’s time to protect it all!

What will you learn in this unit?

• Identify different types of malware

• Discuss other major security threats like social engineering

• Implement physical security and prevention measures

• Understand how data is protected on mobile devices

• Protect our workstations from security threats

• Explain how Windows Active Directory works

• Use RADIUS or TACACS to authenticate users on a network