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Month: August 2000

3.1 HDMI – Video Cable

3. Hardware (220-1001), Comptia A+ (Plus), Comptia A+ (Plus) 220-1001

This entry is part 120 of 230 in the series Comptia A+ (Plus) 220-1001 Series

HDMI stands for High Definition Multimedia Interface. It is one of the most common video connection types. HDMI provides video and audio digital streams. HDMI connections can span about 20…

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3.1 VGA – Video Cable

3. Hardware (220-1001), Comptia A+ (Plus), Comptia A+ (Plus) 220-1001

This entry is part 119 of 230 in the series Comptia A+ (Plus) 220-1001 Series

VGA stands for Video Graphics Array. VGA sends analog signals to the display. It’s a DB-15 connector, meaning that there are 15 pins, arranged in 3 rows, inside of the…

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3.1 Speed and Transmission Limitations of Network Cable

3. Hardware (220-1001), Comptia A+ (Plus), Comptia A+ (Plus) 220-1001

This entry is part 118 of 230 in the series Comptia A+ (Plus) 220-1001 Series

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3.1 Coaxial Network Cable

3. Hardware (220-1001), Comptia A+ (Plus), Comptia A+ (Plus) 220-1001

This entry is part 117 of 230 in the series Comptia A+ (Plus) 220-1001 Series

A wire conductor sits in the middle. A dielectric insulator surrounds the wire conductor. Metal shielding then surrounds the dielectric insulator. Finally a plastic jacket surrounds the metal shielding. Primarily…

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3.1 Fiber Network Cable

3. Hardware (220-1001), Comptia A+ (Plus), Comptia A+ (Plus) 220-1001

This entry is part 116 of 230 in the series Comptia A+ (Plus) 220-1001 Series

In the previous section, we covered fiber internet connections, now let’s take a look at the actual fiber cable. Uses light instead of electricity so immune to radio or electrical…

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3.1 Ethernet Network Cable

3. Hardware (220-1001), Comptia A+ (Plus), Comptia A+ (Plus) 220-1001

This entry is part 115 of 230 in the series Comptia A+ (Plus) 220-1001 Series

Ethernet is the most common wired network connector. Ethernet cable uses the RJ-45 connector, which is also known and 8P8C (8 position, 8 contact). Cat 5 and Cat 5e are…

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2.8 Networking Tools

2. Networking (220-1001), Comptia A+ (Plus), Comptia A+ (Plus) 220-1001

This entry is part 114 of 230 in the series Comptia A+ (Plus) 220-1001 Series

Crimper If you’re building your own cables, then you’ll need a cable crimper. A crimper pinches the modular connector onto the end of the cable (coaxial, twisted pair, fiber). The…

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2.7 Network Types

2. Networking (220-1001), Comptia A+ (Plus), Comptia A+ (Plus) 220-1001

This entry is part 113 of 230 in the series Comptia A+ (Plus) 220-1001 Series

LAN LAN stands for Local area network A LAN is a group of devices in the same broadcast domain. Group of computers located physically close to each other (no more…

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2.7 Line-of-Sight Wireless Internet Service

2. Networking (220-1001), Comptia A+ (Plus), Comptia A+ (Plus) 220-1001

This entry is part 112 of 230 in the series Comptia A+ (Plus) 220-1001 Series

Line of Sight is a wireless internet service that can provide access over a wide geographical area. It’s called line of sight because it requires a visual path between the…

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2.7 Cellular Internet Connection

2. Networking (220-1001), Comptia A+ (Plus), Comptia A+ (Plus) 220-1001

This entry is part 111 of 230 in the series Comptia A+ (Plus) 220-1001 Series

Modern cellular network allows you to have connectivity practically anywhere. Your smart phone allows you to have access to voice and data simultaneously. Cellular networks requires antennas to be spread…

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