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Learn the basics behind computer networks. The Internet is simply the collection of all computer devices that are sharing device with one another. Networking Components Node: the devices that will be communicating (e.g. desktop/laptop/mobile phone, gaming con...

Learn the specifics behind IPv4 addresses. When generating a new IP address to hand off to a network node, there are also other things we need to configure. the subnet mask the default gateway DNS server address There are two ways to configure an IPv4 networ...

Learn the core concepts behind IPv6. IPv6 was created as the solution to an ever creeping problem in the world of the Internet. As the population slowly grows and the more devices one person owns on average (phone, computer, smart watch, etc.), we need IP addr...

Learn the best practices for managing user accounts in an enterprise setting. Principle-of-Least-Privilege When setting up a new user account, give them the least amount of privileges and/or permissions needed for them to do their task effectively. This makes ...

Learn the different commands that help when troubleshooting network issues. Command Description Platform ipconfig Returns basic info regarding the network configuration./all: Returns detailed information regarding the network configuration./release: Rel...

Learn the common ports used by computers. PS/2 Ports PS/2 ports are used to connect a keyboard and mouse, part of a family of connectors called mini-DIN connectors. Their technical name is mini-DIN 6 port, but we call them PS/2 ports. Video Ports These type of...

Learn about the ways to properly destroy data stored on storage drives. There are two ways to destroy data: formatting and physical destruction. Formatting Formatting overwrites the data in the disk with new data. When performing a high-level format operation ...

Learn the concepts behind portable power management for laptops. Laptops are designed to be portable and run on battery power for extended periods of time. In order to not consume power like a desktop does, laptops: use specially designed low-power components...

What the title said. Steps: Document the current CMOS settings when you replace an existing motherboard. You might need these settings to configure the new motherboard. Install the CPU, heat sink, and memory before installing the motherboard in the case. Inse...

Learn to troubleshoot common network, wireless, and VoIP issues. Before troubleshooting, you should have a clear baseline. The baseline of your network should define how the network operates when nothing is wrong with it. This will help you isolate and begin w...

Learn how to setup browsers for maximum security. The most common browsers are: Google Chrome Apple Safari Firefox by Mozilla Microsoft Edge(r) Password Managers You should totally use a password manager. It creates secure, randomized passwords for the sites...

Learn the different aspects of system cooling and the components that aid in thermal management in a computer system. As you already know, heat + hardware = no bueno. PC components will unalive themselves if they feel that the localized temperature (usually de...

Learn what IoT devices are and how they're being implemented in modern networks. IoT device are extremely common. They can be found everywhere, and we use them to monitor and manage many aspects of life. Some of those aspects include: home monitoring and mana...

Learn how to increase the security of your system using configurable BIOS settings. Passwords Most manufacturers allow you to set a user password for signing into accounts. They also allow you to set an administrator password so that unauthorized users cannot ...

Learn to classify USB devices according to how they receive power. Self-Powered Devices that rely on their own power supply (e.g., they are plugged into an AC outlet) are self-powered devices (sometimes called active devices). USB 2.0 devices that draw more th...

Learn how to select the correct sound card for use in your PC system. I/O Ports Look at the I/O ports the sound card has. Almost all sound cards have the three default analog jacks, line out, speaker out, and microphone. However, high-end audio cards have supp...

An enumeration of all the USB port standards there are. USB 1.0 - Low Speed (1996) | 1.5 Mbps Type A Type B Mini-A Mini-B Micro-A Micro-B USB 1.1 - Full Speed (1998) | 12 Mbps Cable length of 3 meters. same as USB 1.0 USB 2.0 - Hi-Speed (2000) | 480 Mbps ...

Learn methods to properly troubleshoot video and display issues on computer systems. The video system has three components: the adapter, cable, and then the display device (e.g. monitor). Video display issues can arise from problems with any one of these compo...