Multimedia Questions

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21.

________ is the protocol designed to handle real-time traffic on the Internet

A

TCP

B

UDP

C

RTP

D

none of the above

Correct Answer: C

None.

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22.

RTP uses a temporary even-numbered _______ port

A

UDP

B

TCP

C

both a and b

D

none of the above

Correct Answer: A

None.

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23.

___________ is a protocol for controlling the flow and quality of data.

A

RTP

B

RTCP

C

UDP

D

none of the above

Correct Answer: B

None.

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24.

RTCP uses an odd-numbered _______ port number that follows the port number selected for RTP

A

UDP

B

TCP

C

both a and b

D

none of the above

Correct Answer: A

None.

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25.

___________ is an application protocol that establishes, manages, and terminates a multimedia session

A

RIP

B

SIP

C

DIP

D

none of the above

Correct Answer: B

None.

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26.

_______ is a standard to allow telephones on the public telephone network to talk to computers connected to the Internet

A

SIP

B

H.323

C

Q.991

D

none of the above

Correct Answer: B

None.

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27.

A real-time video performance lasts 10 min. If there is jitter in the system, the viewer spends _______ minutes watching the performance

A

less than 10

B

more than 10

C

exactly 10

D

none of the above

Correct Answer: B

None.

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28.

A _______ shows the time a packet was produced relative to the first or previous packet.

A

timestamp

B

playback buffer

C

sequence number

D

none of the above

Correct Answer: A

None.

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29.

_______ are used to number the packets of a real-time transmission

A

Timestamps

B

Playback buffers

C

Sequence numbers

D

none of the above

Correct Answer: C

None.

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30.

. In a real-time video conference, data from the server is _______ to the client sites.

A

unicast

B

multicast

C

broadcast

D

none of the above

Correct Answer: B

None.

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