Network Devices

Question 1

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

Answer 1

Wider

Question 2

10GBASE-LR maximum cable length:

Answer 2

10 kilometers

Question 3

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

Answer 3

2 (=4 wires)

Question 4

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

Answer 4

10 GBps

Question 5

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

Answer 5

1 and 2

Question 6

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

Answer 6

3 and 6

Question 7

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

Answer 7

crossover cable

Question 8

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

Answer 8

Single-mode and multimode

Question 9

Network speeds are measured in […] per second.

Answer 9

bits

Question 10

What is the speed of an ‘Ethernet’ connection?

Answer 10

10 Mbps

Question 11

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

Answer 11

3 and 6

Question 12

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

Answer 12

straight-through cable

Question 13

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

Answer 13

802.3ab

Question 14

10GBASE-ER maximum cable length:

Answer 14

30 kilometers

Question 15

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

Answer 15

4 (=8 wires)

Question 16

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

Answer 16

1 GBps

Question 17

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

Answer 17

802.3

Question 18

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

Answer 18

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

Question 19

Which is cheaper, single-mode or multimode fiber?

Answer 19

multimode

Question 20

How many bits are in 1 byte?

Answer 20

8

Question 21

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

Answer 21

802.3i

Question 22

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

Answer 22

3 and 6

Question 23

10GBASE-SR maximum cable length:

Answer 23

400 meters

Question 24

[…] cables are vulnerable to EMI (electromagnetic interference).

Answer 24

UTP

Question 25

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

Answer 25

802.3ae

Question 26

10GBASE-LR maximum cable length:

Answer 26

10 kilometers

Question 27

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

Answer 27

full-duplex

Question 28

What is the speed of a 'FastEthernet' connection?

Answer 28

100 Mbps

Question 29

1000BASE-LX maximum cable length:

Answer 29

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

Question 30

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

Answer 30

UTP

Question 31

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

Answer 31

crossover cable

Question 32

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

Answer 32

RJ45

Question 33

How many bits are in 1 megabit?

Answer 33

1,000,000 (1 million)

Question 34

What is the maximum length of an Ethernet UTP cable?

Answer 34

100 meters

Question 35

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

Answer 35

802.3u

Question 36

Which two pin pairs are used in a 10BASE-T or 100BASE-T connection?

Answer 36

Pair 1-2, Pair3-6

Question 37

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

Answer 37

crossover cable

Question 38

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?

Answer 38

Auto MDI-X

Question 39

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

Answer 39

802.3an

Question 40

What kind of cable connects a pin pair on one end of a UTP cable to the opposite pair on the other end?

Answer 40

crossover cable

Question 41

How many bits are in 1 kilobit?

Answer 41

1,000 (one thousand)

Question 42

How many bits are in 1 gigabit?

Answer 42

1,000,000,000 (1 billion)

Question 43

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

Answer 43

single-mode

Question 44

10GBASE-SR maximum cable length:

Answer 44

400 meters