The traditional IP addressing scheme (called IPv4) is quickly being replaced with the much more advanced IPv6 scheme. IPv6 adds several benefits over IPv4, and good techs know how to use it in our systems.
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Manually entering IP addresses into all our devices is an administrative nightmare. To avoid this mess, smart techs use the Dynamic Host Configuration Protocol (DHCP) to automatically provide IP addressing to individual hosts.
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The Transmission Control Protocol/Internet Protocol (TCP/IP) is the cornerstone of Internet addressing and routing. It's important to understand IP addressing schemes and to see how TCP and IP work together to make the Internet...

Without a network card, you won't be able to surf the Web. Hence, this video talks about how to troubleshoot a network card.
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This clip is from the chapter "Book Chapter 18 - Essentials of Networking" of the series "CompTIA A+...

Structured cabling is the process of installing and organizing cable systems to ensure long term, reliable connections. While CompTIA doesn't want you to be a cable installer, a good tech understands structured cabling and can work...

CompTIA doesn't expect you to prove you can crimp your own cables, but it does expect you to understand the crimping process. Additionally, you must know EIA standards for crimping cables.
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This clip is from the chapter "Book...

Networking uses many different types of cables such as coaxial, twisted pair, and even fiber-optic. These different cables use special connectors, and a good tech should recognize the different cables and their connectors.
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When a router connects two or more LANs, it creates a Wide Area Network. To understand WANs, it's critical to understand routers and how they use logical addressing.
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This clip is from the chapter "Book Chapter 18 - Essentials...

Hexadecimal numbering uses a base-16 system that's very convenient for IT techs. It's important to look at a hex value and understand the equivalent binary value.
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This clip is from the chapter "Book Chapter 18 - Essentials of...

The central box that connects devices on our LANs has gone through many advancements over the years. Whether hubs or switches, a good tech understands the function and features of these boxes in our LANs.
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You will never understand the power of the Internet without first starting at the most basic form of networking: the Local Area Network (LAN). LANs use a central piece of hardware to interconnect individual devices, transferring data...

The CompTIA A+ exams will challenge you on monitor troubleshooting. Whether it's simply changing the input or replacing a burned-out bulb, troubleshooting displays is critical for techs.
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This clip is from the chapter "Book...

It's easy to think of projectors as nothing more than monitors that project on a wall but that's a bit short-sighted. Projectors come with their own technologies and configurations that a good tech understands.
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FT Rethink - Shredding hard drives may be a sure-fire way to prevent data leaks from discarded devices, but, as the FT’s TMT correspondent Anna Gross reports, it can create significant amounts of waste and squander rare metals. Wiping...

In this video, we will be discussing the physical controls outlined in the ISO 27001 2022 standard. Physical controls are an essential aspect of information security, as they help protect against physical threats such as theft, damage,...

From the section: Power Supplies. Here, we check our power supply, mount the power supply and learn how to cool our PC. A PC power supply takes AC power from the grid and transforms it into DC voltage the system needs to run.

From the section: Mass Storage Technologies. In this section, we cover topics related to Mass storage. Today’s computers often use multiple mass storage devices. It’s critical that the system boots from the right device. Boot order is...

From the section: The Visible Computer. In this section, we learn more about primary PC computer, external connections and learn more about computer. Geeks go into PC cases and this episode is a case in point, if you’ll pardon the pun....

From the section: Motherboards. In this section, we look into motherboard features such as Chipsets and how to install. A typical motherboard is covered with chips, slots, connectors and heatsinks. A good tech has a solid understanding...

From the section: Motherboards. In this section, we look into motherboard features such as Chipsets and how to install. Every CPU has specialty chips (called chipsets) that enable the CPU to interface with expansion slots, peripherals,...

From the section: Motherboards. In this section, we look into motherboard features such as Chipsets and how to install. A PC’s case is an amazing and often overlooked part of the system. Understanding common case features makes it easier...

From the section: Firmware. In this section, we learn about BIOS, POST and system setup. A small system-setup program built into the motherboard firmware enables techs to configure low-level features and options for the system’s...

A PC power supply takes AC power from the grid and transforms it into DC voltage the system needs to run. This clip is from the chapter "Power Supplies" of the series "CompTIA A+ Certification 220-1001: The Total Course".Here, we check...

This video introduces the AWS features that allow you to integrate storage at your location with Amazon Web Services (AWS) storage.
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This clip is from the chapter "Solutions Architect Chapter 2 – Amazon Web Services (AWS)...