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A. VDSL.

B. DSL Lite.

C. SDSL.

D. ADSL.

A. It bypasses silence suppression technology.

B. All of the above.

C. It holds a packet for a short time in its jitter buffer, then plays it out.

D. It gives priority to non-real-time data packets instead of VoIP packets.

A. Cabling.

B. Topology.

C. Transmission system.

D. Architecture.

A. Clock speed

B. Bit error rate

C. Signal-to-noise ratio

D. Throughput

A. The busy hour CCS.

B. The codec bandwidth and silence suppression percentage.

C. The number of trunks or lines in the group.

D. The peak call rate during busy hour.

A. A fiber cable.

B. A DSL.

C. Mobil digital radio.

D. Fixed digital radio.

A. All computers on the network communicate as peers.

B. Personal computers on a LAN can emulate terminals.

C. They support IEEE 802.3 (ethernet) connections.

D. All communications are processed by a host mainframe.

A. The PCs perform the gateway functions, so an outside gateway is not required.

B. All of the above.

C. The application will work if the PC has a phone card and is used with a regular telephone.

D. As long as the PC has a sound card, speakers, and a microphone, the telephony technology is all software.

A. Crosstalk.

B. Delay distortion.

C. Frequency distortion.

D. Echo.

A. Common Management Information Protocol (CMIP).

B. OSI transport layer protocols.

C. The network operating system.

D. The IEEE 802.x MAC layer standards.

A. It allows for any node or location to "dial" another node or location and transmit between them.

B. SMDS is considered a connection-oriented service.

C. If the connection between two points is not in the router tables, the points cannot exchange data.

D. It is similar to the public switched telephone network.