Data Questions

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271.

VCIs in Frame Relay are called ______.

A

PVC

B

SVC

C

DLCIs

D

none of the above

Correct Answer: C

None.

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272.

In Frame Relay, when a _____ is selected, the corresponding table entry is recorded for all switches by the administrator

A

PVC

B

SVC

C

either (a) or (b)

D

neither (a) nor (b)

Correct Answer: A

None.

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273.

In Frame Relay, when. ______ is selected, it requires establishing and terminating phases

A

a PVC

B

an SVC

C

either (a) or (b)

D

neither (a) nor (b)

Correct Answer: B

None.

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274.

Frame Relay has _______

A

only the physical layer

B

only the data link

C

the physical and data link layers

D

the physical, data link, and network layers

Correct Answer: C

None.

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275.

At the data link layer, Frame Relay uses a protocol that supports _____control

A

flow

B

error

C

either (a) or (b)

D

neither (a) nor (b)

Correct Answer: D

None.

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276.

In Frame Relay, an address can be ________ bytes

A

only 2

B

2 to 3

C

2 to 4

D

none of the above

Correct Answer: C

None.

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277.

In Frame Relay, the EA field defines the number of bytes; it is _____ in the last byte of the address

B

1

C

2

D

3

Correct Answer: B

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278.

. To handle frames arriving from other protocols, Frame Relay uses a device called a _________

A

VOFR

B

FRAD

C

MUX

D

none of the above

Correct Answer: B

None.

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279.

Frame Relay networks offer an option called ______________ that sends voice through the network.

A

VOFR

B

FRAD

C

MUX

D

none of the above

Correct Answer: A

None.

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280.

________ is the cell relay protocol designed by the corresponding Forum and adopted by the ITU-T

A

X.25

B

Frame Relay

C

ATM

D

none of the above

Correct Answer: C

None.

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