Certified - The CompTIA A+ Audio Course

This episode dives into advanced cabling types used in high-speed and long-distance network infrastructure: fiber optic and direct burial cables. We start with fiber optic cables, explaining the diff…

This episode extends your knowledge of cabling by focusing on three specific types often overlooked: shielded twisted pair, coaxial cable, and plenum-rated cable. We explain when to use shielded twis…

Ethernet cables are the physical backbone of modern networks, and this episode focuses on the different categories of twisted-pair cabling you’ll need to recognize. We explain the differences between…

This episode introduces the third domain of the Core 1 exam—Hardware—arguably the most hands-on and detail-heavy section of the certification. We outline what’s covered, from motherboards, CPUs, and …

In this episode, we look at the physical tools that IT technicians use to install, test, and troubleshoot network cables and infrastructure. We start with crimpers, explaining how they're used to att…

This episode covers the small office/home office (SOHO) networking environment with a focus on IP configuration methods. We begin by distinguishing between static and dynamic IP addressing, explainin…

As networks expand into more than just traditional computing devices, this episode explores the role of internet-connected appliances, industrial control systems like SCADA, and the rapidly growing w…

Host services are critical to how devices function on modern networks, and this episode explains the most essential ones covered on the exam. We begin with D H C P—how it dynamically assigns IP addre…

This episode explores a set of wireless technologies that extend beyond traditional Wi-Fi, many of which play crucial roles in mobile and IoT environments. We begin with Bluetooth—covering pairing mo…

This episode provides a deep dive into the evolution of Wi-Fi standards, focusing on the specific versions tested in the Core 1 exam: 802.11 a, b, g, n, a c, and a x. We begin by explaining how each …

Wireless communication relies on specific frequency bands and channel structures, and this episode breaks down exactly how they work in the context of Wi-Fi networking. We begin by explaining the 2.4…

This episode dives into the technologies that bring internet service into homes and small offices—focusing on cable modems, DSL, and fiber-based Optical Network Terminals, or ONT s. You’ll learn how …

In this episode, we explore a variety of hardware and software technologies that control traffic, enable communication, and deliver power across network devices. We begin with firewalls—both hardware…

This episode covers three often-confused networking components that play very different roles: access points, hubs, and patch panels. We start by explaining how wireless access points bridge Wi-Fi tr…

Routers and switches are the backbone of every network, and this episode breaks down how each one functions and differs in an enterprise or home setting. You’ll learn that routers operate at Layer 3 …

This episode explains one of the most fundamental networking concepts tested on the A Plus exam: the difference between Transmission Control Protocol and User Datagram Protocol. We begin with TCP’s k…

Understanding common network ports and protocols is essential for both the A Plus exam and real-world troubleshooting. This episode dives deep into the most important ones—such as File Transfer Proto…

Networking is one of the most critical domains in Core 1, and this overview episode sets the stage by introducing the topics covered under Domain 2.0. You’ll get an outline of what CompTIA expects yo…

Touchpads and drawing pads are common input devices found on laptops and used by graphic professionals, and the A Plus exam expects you to understand both. This episode begins with touchpad technolog…

In this episode, we explore docking stations and port replicators—two essential technologies that expand the functionality of laptops in business and multi-monitor environments. You’ll learn how dock…