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CCNA 201 - 300 > Interfaces and Cables > Flashcards

Interfaces and Cables Flashcards

1
Q

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

A

4 (=8 wires)

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2
Q

IEEE standard ______ = 10 Gbps Ethernet (10GBASE-T)

A

802.3an

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3
Q

Fiber-Optic cables are connected to ______ transceivers in a router or switch.

A

SFP (Small Form-Factor Pluggable)

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4
Q

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

A

UTP (UN-shielded Twisted Pair)

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5
Q

If Auto MDI-X (Medium Dependent Interface Crossover) is disable, what kind of UTP cable should be used to connect two routers together?

A

Crossover Cable

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6
Q

IEEE standard _____ = 1 Gbps Ethernet (1000BASE-T)

A

802.3ab

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7
Q

Why are the wire pairs in a UTP cable twisted together?

A

It protects against EMI (Electromagnetic Interfarence)

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8
Q

IEEE standard _____ = 100 Mbps Ethernet (100BASE-T)

A

802.3u

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9
Q

_____ cables are vulnerable to EMI (Electromagnetic Interference)

A

UTP (UN-shielded Twisted Pair)

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10
Q

Which is cheaper, single-mode or multi-mode fiber?

A

Multi-mode Fiber

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11
Q

What is the speed of a ‘FastEthernet’ connection?

A

100 Mbps

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12
Q

What are the two main kinds of fiber-optic cable?

A

Single-mode and Multi-mode

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13
Q

A _____ connection allows both devices to send and receive data at the same time

A

Full-Duplex

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14
Q

IEEE standard _____ = 10 Mbps Ethernet (10BASE-T)

A

802.3i

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15
Q

Which allows longer cables, single-mode or multi-mode fiber?

A

Single-mode

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16
Q

In a FastEthernet connection, a PC receives data on which pins?

A

3 and 6

17
Q

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

A

2 (=4 wires)

18
Q

How many bits are in 1 megabit?

A

1,000,000 (1 million)

19
Q

10GBASE-LR maximum cable length:

A

10 kilometers

20
Q

Ethernet was originally defined in the IEEE _______ standard in 1983.

A

802.3

21
Q

Multi-mode Fiber cables have a _______ fiberglass core than single-mode fiber cables.

A

Wider

22
Q

How many bits are in 1 terabit?

A

1,000,000,000,0000 (1 trillion)

23
Q

How many bits are in kilobit?

A

1,000 (one thousand)

24
Q

In a FastEthernet connection, a firewall receives data on which pins

A

3 and 6

25
Q

How many pairs of wires are used in a 1000BASE-T cable?

A

4 (=8 wires)

26
Q

In a FastEthernet connection, a router receives data on which pins?

A

3 and 6

27
Q

How many pairs of wires are used in a 100BASE-T cable?

A

2 (=4 wires)

28
Q

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

A

10 Gbps

29
Q

In a FastEthernet connection, a firewall transmits data on which pins?

A

1 and 2

30
Q

What is the speed of an ‘Ethernet’ connection?

A

10 Mbps

31
Q

Network speeds are measured in ______ per second.

A

Bits

32
Q

If Auto MDI-X (Medium Dependent Interface Crossover) is disable, what kind of UTP cable should be used to connect a PC and a switch?

A

Straight-through Cable

33
Q

10GBASE-ER maximum cable length:

A

30 kilometers

34
Q

What is the speed of a ‘Gigabit Ethernet’ connection?

A

1 Gbps

35
Q

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

A

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

36
Q

How many bits are in 1 Bytes?

A

8 bits

37
Q

10GBASE-SR maximum cable length:

A

400 meters

CCNA 201 - 300 (12 decks)

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