29.Multimedia

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

• SIP
• H.323
• Q.991
• none of the above

When there is more than one source, the _______ identifier defines the mixer.

• synchronization source
• contributor
• timestamp
• none of the above

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

• TCP
• UDP
• RTP
• none of the above

Jitter is introduced in real-time data by the _______________.

• error caused during transmission
• delay between packets
• both a and b
• none of the above

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

• unicast
• multicast
• broadcast
• none of the above

An RTP packet is encapsulated in _______.

• a UDP user datagram
• a TCP segment
• an IP datagram
• none of the above

A _______ changes the format of a high-bandwidth video signal to a lower quality narrow-bandwidth signal.

• timestamp
• sequence number
• translator
• none of the above

____________ is used to compress video.

• MPEG
• JPEG
• either a or b
• none of the above

Real-time traffic needs the support of ____________.

• broadcasting
• multicasting
• both a and b
• none of the above

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

• Timestamps
• Playback buffers
• Sequence numbers
• none of the above