Our displays provide an important output technology, and there are many options for display types, configurations, and specifications. In this video, you’ll learn about LCD technologies, OLED, Mini LED, touchscreens, digitizers, and inverters. << Previous: Network Tools Next Video: Display Attributes >> Many of the monitors that we use today are LCD monitors. That stands […]
Professor Messer’s CompTIA A+ Core 2 Course Notes and Practice Exams: Click here to learn about my Core 2 A+ downloadable PDF Course Notes and Practice Exams. How well do you know your A+ exam objectives? Follow along with our Q&A in this replay of our April 2025 Core 2 CompTIA A+ Study Group. Audio
Professor Messer’s CompTIA A+ 220-1102 Study Group – April 2025 Read More »
Professor Messer’s CompTIA A+ Core 1 Course Notes: Click here to learn about my Core 1 and Core 2 A+ downloadable PDF Course Notes, Practice Exams, and much more! How well do you know your A+ exam objectives? Follow along with our Q&A in this replay of our April 2025 Core 1 CompTIA A+ Study
Professor Messer’s 220-1101 CompTIA A+ Study Group – April 2025 Read More »
There are many tools a network technician should keep in their bag. In this video, you’ll learn about crimpers, Wi-Fi- analyzers, tone generators, punch-down tools, cable testers, loopback plugs, and network taps. << Previous: Network Types Next Video: Display Types >> There will often be times where you’re handed a cable that has no connector
The categorization of a network is closely associated with its size and location. In this video, you’ll learn about LANs, WANs, PANs, SANs, and WLANs. << Previous: Internet Connection Types Next Video: Network Tools >> If you’re plugging into an Ethernet connection or using a local 802.11 wireless network, then you are communicating over a
There are many ways to connect to the Internet. In this video, you’ll learn about satellite connections, fiber links, broadband cable, DSL, cellular options, and WISPs. << Previous: Assigning IP Addresses Next Video: Network Types >> These days, you can be almost anywhere on Earth and have access to the internet. We’re able to get
Internet Connection Types – CompTIA A+ 220-1201 – 2.7 Read More »
Assigning an IP address may take a number of different strategies to make the process automatic and scalable. In this video, you’ll learn about the most important aspects of configuring an IP address, the differences between static and dynamic IP addressing, and how APIPA can be used when a DHCP server is not available. <<
Assigning IP Addresses – CompTIA A+ 220-1201 – 2.6 Read More »
The Internet Protocol (IP) is the most popular protocol on the Internet. In this video, you’ll learn about IPv4 address structures, public IP addresses, private IP address ranges, and IPv6 address structures. << Previous: Network Devices Next Video: Assigning IP Addresses >> If you’ve ever communicated across a network, then you’ve probably used IP version
A data center contains uses many different network devices to keep the data flowing. In this video, you’ll learn about routers, unmanaged and managed switches, access points, patch panels, firewalls, power over Ethernet, cable and DSL modems, ONTs, and NICs. << Previous: VLANs and VPNs Next Video: IPv4 and IPv6 >> If you’ve ever walked
We can provide network protection and segmentation through the use of virtual local area networks (VLANs) and virtual private networks (VPNs). In this video, you’ll learn about separating broadcast domains into separate VLANs, and how remote connectivity can be protected through the use of encrypted client-to-site or site-to-site VPNs. << Previous: DHCP Next Video: Network
