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Flashcards in Interfaces And Cables Deck (57)
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1

1000BASE-LX max. Cable length:

550 meters (multimode)
5 kilometers (single-more)

2

1000BASE-LX was defined in the IEEE ____ standard.

802.3z

3

10GBASE-ER maximum cable length:

30 kilometers

4

10GBASE-LR maximum cable length:

10 kilometers

5

10GBASE-SR maximum cable length:

400 meters

6

10GBASE-SR, 10GBASE-LR, and 10GBASE-ER were defined in the IEEE ___ standard.

802.3ae

7

___ cables are vulnerable to EMI (electromagnetic interference)

UTP

8

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

UTP

9

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

Multimode

10

A ___ connection allows both devices to send and receive data at the same same.

Full-duplex

11

Ethernet was originally defined Jen the IEEE ___ standard in 1983

802.3

12

Fiber-optic cables are connected to ___ transceivers in a router or switch.

SFP (Small Form-Factor Pluggable)

13

How many bits are in 1 byte

8

14

How many bits are in 1 gigabit?

1,000,000,000 (1 billion)

15

How many bits are in 1 kilobit?

1,000 (1 thousand)

16

How many bits are in 1 megabit?

1,000,000 (1 million)

17

How many bits are in 1 terabit?

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

18

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

4 (8 wires)

19

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

2 (4 wires)

20

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

2 (4 wires)

21

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

4 (8 wires)

22

How many pins are in a RJ45 connector?

8

23

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

802.ab

24

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

802.3an

25

IEEE standard ___ = 1 Mbps Ethernet (10BASE-T)

802.3i

26

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

802.3u

27

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

Straight-through cable

28

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

Straight-through cable

29

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

Crossover cable

30

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

Crossover cable