3.1 - Network Cables Flashcards

1
Q

Term

A

Definition

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2
Q

Cabling Importance

A

The cabling in your network is the fundamental communications path to the rest of the world, so it’s crucial to use the right cable for the job, especially when building a new data center or building.

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3
Q

Twisted Pair Copper Cabling

A

Commonly used in Ethernet networks, consisting of four pairs of wires (blue, green, orange, brown) with equal and opposite signals to reduce interference.

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4
Q

Twisted Pair Signal Transmission

A

Pairs of wires carry equal and opposite signals, often referred to as transmit plus and transmit minus, with a twisted design to minimize interference.

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5
Q

Twist Rate

A

Each pair of wires in a twisted pair cable has a different twist rate to reduce the impact of interference.

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6
Q

Categories of Twisted Pair Cables

A

Different types of twisted pair cables with varying electrical characteristics, known as categories, support different Ethernet standards.

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7
Q

1000BASE-T

A

A 1 Gbps Ethernet standard operating on twisted pair copper cabling, supporting category 5 and category 5e cables up to 100 meters.

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8
Q

10GBASE-T

A

A 10 Gbps Ethernet standard running over twisted pair cabling, supporting category 6A cables up to 100 meters.

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9
Q

Coaxial Cable

A

Commonly used in cable modem networks, with a single conductor, insulator, metal shielding, and a plastic jacket. RG6 is a typical type.

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10
Q

Plenum-rated Cable

A

Used in shared airspace (plenum) to prevent smoke and toxic fumes in case of fire; made of FEP or low smoke PVC.

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11
Q

UTP (Unshielded Twisted Pair)

A

A type of Ethernet cable without any shielding, commonly used in home networks.

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12
Q

STP (Shielded Twisted Pair)

A

A type of Ethernet cable with shielding around the cable or individual wires for additional protection against interference.

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13
Q

Cable Shielding Abbreviations

A

Uses U for unshielded, S for braided shielding, and F for foil shielding; written with a slash (e.g., S/FTP or F/UTP).

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14
Q

Direct Burial STP

A

Shielded twisted pair cables designed for outdoor use, with waterproofing and sometimes gel filling, used for direct burial without conduit.

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15
Q

Drain Wire

A

A wire in shielded twisted pair cables that drains additional voltages through a ground wire extending the length of the cable.

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