Transmission Media Questions

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71.

The telephone network is made of ______ major components

A

2

B

3

C

4

D

none of the above

Correct Answer: B

None.

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72.

The United States is divided into many _______

A

LECs

B

LATAs

C

IXCs

D

none of the above

Correct Answer: B

None.

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73.

The carrier that handles intra-LATA services is called a(n) _____

A

POP

B

IXC

C

LEC

D

none of the above

Correct Answer: C

None.

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74.

The carrier that handles inter-LATA services is called a(n) _______

A

POP

B

IXC

C

LEC

D

none of the above

Correct Answer: B

None.

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75.

. In ______signaling, the same circuit is used for both signaling and data.

A

in-band

B

out-of-band

C

mixed

D

none of the above

Correct Answer: A

None.

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76.

In ________signaling, a portion of the bandwidth is used for signaling and another portion for data.

A

in-band

B

out-of-band

C

mixed

D

none of the above

Correct Answer: B

None.

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77.

The protocol that is used for signaling in the telephone network is called ______

A

POP

B

SSS

C

SS7

D

none of the above

Correct Answer: C

None.

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78.

Most popular modems available are based on the ________standards

A

V-series

B

X-series

C

VX-series

D

none of the above

Correct Answer: A

None.

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79.

______technology is a set of technologies develpoed by the telephone companies to provide high data rate transmission

A

ASL

B

DSL

C

LDS

D

none of the above

Correct Answer: B

None.

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80.

The traditional cable TV system used ________cable end to end

A

twisted-pair

B

coaxial

C

fiber-optic

D

none of the above

Correct Answer: B

None.

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