Chapter 16 687
10
What is handling delay? Provide an example of handling delay in a voice network.
Handling delay is caused by all the components that must handle the voice traffic during
its transmission. Packetization and depacketization of voice traffic are examples of
handling delay.
11
True or false: QoS should start in the LAN. The largest bottlenecks are usually found on
the campus network.
False. QoS should start in the WAN.
12
What three areas of concern should be addressed at the router?
Prioritiziation.
Slow-speed links.
Traffic shaping.
13
What three protocols can provide transport for voice?
Frame Relay.
ATM.
IP.
14
What three processes must occur before voice can be passed from the PBX to the router?
Signaling must be passed from the PBX to the router.
Signaling must be passed between routers.
Signaling must be passed from the router to the PBX.
15
What four components comprise the H.323 family?
Gatekeeper.
Gateways.
Terminals.
Multipoint Control Units.
16
What is the main function of a gatekeeper?
Zone and subnet configuration.
Terminal name registration.
Interzone communication.
17
What three types of terminal names are recognized by a gatekeeper?
H.323, E.164 addresses, e-mail IDs.
87200333.book Page 687 Wednesday, August 22, 2001 1:41 PM