2. Interfaces and Cables Flashcards

1
Q

What is the speed of an ‘Ethernet’ connection?

A

10 Mbps

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2
Q

10GBASE-LR maximum cable length?

A

10 kilometers

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3
Q

In a FastEthernet connection, a router receives data on which pins […]

A

3 and 6

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4
Q

How many pairs of wires are used in a 10BASE-T cable?

A

2 (=4 wires)

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5
Q

IEEE standard […] = 100 Mbps Ethernet (100BASE-T)

A

802.3u

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6
Q

IEEE standard […] = 10 Mbps Ethernet (10BASE-T)

A

802.3i

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7
Q

What is the speed of a ‘10 Gig Ethernet’ connection?

A

10 Gbps

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8
Q

Ethernet was originally defined in the IEEE […] standard in 1983.

A

802.3

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9
Q

IEEE standard […] = 10 Gbps Ethernet (10GBASE-T)

A

802.3an

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10
Q

Fiber-Optic cables are connected to […] transceivers in a router or switch.

A

SFP (Small Form-Factor Pluggable)

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11
Q

[…] cables emit a faint signal outside of the cable, which can be detected and copied.

A

UTP

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12
Q

If Auto MDI-X is disabled, what kind of UTP cable should be used to connect two routers together?

A

crossover cable

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13
Q

IEEE standard […] = 1 Gbps Ethernet (1000BASE-T)

A

802.3ab

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14
Q

What is the speed of a ‘FastEthernet’ connection?

A

100 Mbps

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15
Q

A […] connection allows both devices to send and receive data at the same time.

A

full-duplex

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16
Q

Multimode Fiber cables have a […] fiberglass core than single-mode fiber cables.

A

wider

17
Q

In a FastEthernet connection, a firewall transmits data on which pins […]

A

1 and 2

18
Q

If Auto MDI-X is disabled, what kind of UTP cable should be used to connect a PC and a switch?

A

straight-through cable

19
Q

10GBASE-ER maximum cable length:

A

30 kilometers

20
Q

Which four pin pairs are used in a 1000BASE-T or 10GBASE-T connection?

A

Pair 1-2, Pair 3-6, Pair 4-5, pair 7-8

21
Q

1000BASE-LX maximum cable length:

A
550 meters (multimode)
5 kilometers (single-mode)
22
Q

What is the name of the connector on the end of an Ethernet UTP cable?

A

RJ45

23
Q

What is the name of the feature that allows a device to automatically adjust which RJ45 pin pairs it uses to transmit and receive data?

A

Auto MDI-X

24
Q

[…] fiber cables allow multiple angles (modes) of light waves to enter the fiberglass core.

A

Multimode

25
Q

In a FastEthernet connection, a switch transmits data on which pins […]

A

3 and 6

26
Q

1000BASE-LX was defined in the IEEE […] standard.

A

802.3z