Question:

In Session Initiation Protocol (SIP), session can be terminated with a

A.

ok message.

B.

bye message.

C.

terminate message.

D.

quit message.

Answer» b. bye message.

Question:

In Real Time Interactive Audio Video, a sequence number on each packet is required for

A.

real-time traffic.

B.

real-time playback.

C.

real-time pixels.

D.

real-time frames.

Answer» a. real-time traffic.

Question:

In Real Time Interactive Audio Video, to prevent jitter, we can time-stamp packets and separate arrival time from the

A.

frame time.

B.

playback time.

C.

pixels time.

D.

packet time.

Answer» b. playback time.

Question:

RTCP stands for

A.

real-time transport control program.

B.

real-time transport control packet.

C.

real-time transport control protocol.

D.

real-time transport control path.

Answer» c. real-time transport control protocol.

Question:

Before audio or video signals can be sent on Internet, they need to be

A.

channelized.

B.

managed.

C.

digitized.

D.

organized.

Answer» c. digitized.

Question:

A compressed audio/video file can be downloaded as a

A.

image.

B.

video.

C.

frame.

D.

text file.

Answer» d. text file.

Question:

When a caller needs to communicate with callee, caller can use e-mail address instead of IP address in the

A.

ok message.

B.

bye message.

C.

invite message.

D.

great message.

Answer» c. invite message.

Question:

For speech, we need to compress digitize signals at

A.

128 khz.

B.

256 khz.

C.

64 khz.

D.

1152 khz.

Answer» c. 64 khz.

Question:

Real-time Transport Protocol (RTP) is protocol designed to handle real-time traffic on the

A.

frames.

B.

internet.

C.

ip.

D.

protocol.

Answer» b. internet.