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CompTIA A+ Certification Core 1 (220-1101) - Troubleshooting Wireless Connections
There are few worse feelings than a wireless connection that just doesn't...connect. In situations like this, good techs will have the right tools and skills to diagnose and repair the issue. This clip is from the chapter "Book Chapter...
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CompTIA A+ Certification Core 1 (220-1101) - Beyond Wi-Fi
The 80 2.11 standard isn't the only wireless out there today. Standards such as Bluetooth, RFID and NFC also need the support of good techs. This clip is from the chapter "Book Chapter 20 - Wireless Networking" of the series "CompTIA A+...
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CompTIA A+ Certification Core 1 (220-1101) - Enterprise Wireless
There's a big difference between the 80 2.11 network in your home and small office vs. 802.11 in larger organizations such as businesses, schools, and government offices. Multiple SSIDS, advanced technologies, and more aggressive...
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CompTIA A+ Certification Core 1 (220-1101) - It's a Huge Mesh
Mesh networking is here and gaining in popularity daily. But what does mesh networking do for your 80 2.11 network? Where do you use it and how is it deployed? This clip is from the chapter "Book Chapter 20 - Wireless Networking" of the...
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CompTIA A+ Certification Core 1 (220-1101) - Wi-Fi Standards
Since the original 80 2.11 standard back in 1999, there have been five major and hundreds of minor revisions. It's impossible to support an 802.11 network without a working understanding of these standards. This clip is from the chapter...
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CompTIA A+ Certification Core 1 (220-1101) - Wireless Network Hardware
The 80 2.11 standard has had a number of improvements over the years, but every version shares common devices and functions that haven't changed in over 20 years. This episode explores wireless access points (WAPs), home routers, and the...
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CompTIA A+ Certification Core 1 (220-1101) - Network Troubleshooting
Networks sometimes fail. A good network tech knows how read symptoms and diagnose a network quickly to enable users to get back to work. This clip is from the chapter "Book Chapter 19 - Local Area Networking" of the series "CompTIA A+...
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CompTIA A+ Certification Core 1 (220-1101) - Virtual LANs (VLANs)
Virtual LANs (VLANs) are common features built into almost all switches. VLANs provide superb control of your LAN but have their own quirks that a good tech understands. This clip is from the chapter "Book Chapter 19 - Local Area...
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CompTIA A+ Certification Core 1 (220-1101) - Basic Router Configuration
All routers share some basic configuration steps every tech must know. From router passwords to LAN IDs, this is the place to learn about these settings. This clip is from the chapter "Book Chapter 19 - Local Area Networking" of the...
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CompTIA A+ Certification Core 1 (220-1101) - Routers
The CompTIA A+ exams challenge test takers to perform many configurations of a typical home router. But what does a router do for a SOHO network? This clip is from the chapter "Book Chapter 19 - Local Area Networking" of the series...
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CompTIA A+ Certification Core 1 (220-1101) - Understanding DNS
Individual hosts use IP addresses, but humans are terrible at memorizing long strings of numbers. To make our lives easier, most TCP/IP networks (and certainly the Internet) use the Domain Name System (DNS) to apply more human-friendly...
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CompTIA A+ Certification Core 1 (220-1101) - Port Numbers
An IP address directs a packet to the right computer, but it's the port number that makes a connection between two applications on separate systems. It's critical to understand how port numbers do their job and to memorize many special...
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CompTIA A+ Certification Core 1 (220-1101) - IPv6
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. This clip is from the chapter...
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CompTIA A+ Certification Core 1 (220-1101) - Dynamic IP Addressing
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. This clip...
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CompTIA A+ Certification Core 1 (220-1101) - Introduction to TCP/IP
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 work....
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CompTIA A+ Certification Core 1 (220-1101) - Network Card Troubleshooting
Without a network card, you won't be able to surf the Web. Hence, this video talks about how to troubleshoot a network card. This clip is from the chapter "Book Chapter 18 - Essentials of Networking" of the series "CompTIA A+...
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CompTIA A+ Certification Core 1 (220-1101) - Structured Cabling
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 with...
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CompTIA A+ Certification Core 1 (220-1101) - Crimping Cables
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. This clip is from the chapter "Book Chapter 18 -...
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CompTIA A+ Certification Core 1 (220-1101) - Cables and Connectors
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. This clip is...
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CompTIA A+ Certification Core 1 (220-1101) - WANs and Routers
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. This clip is from the chapter "Book Chapter 18 - Essentials of...
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CompTIA A+ Certification Core 1 (220-1101) - Hexadecimal
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. This clip is from the chapter "Book Chapter 18 - Essentials of Networking"...
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CompTIA A+ Certification Core 1 (220-1101) - Hubs Versus Switches
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. This clip is from the chapter...
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CompTIA A+ Certification Core 1 (220-1101) - Introduction to Networking
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...
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CompTIA A+ Certification Core 1 (220-1101) - Troubleshooting Display Technologies
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. This clip is from the chapter "Book Chapter 17 -...