1

List the two primary functions of a gatekeeper in an H.323 network.

Answer:

Gatekeepers provide call routing with a centralized dial plan and CAC.

2

What is a gatekeeper zone?

Answer:

A gatekeeper zone is used to logically group H.323 devices that an individual gatekeeper controls.

3

What is a technology prefix?

Answer:

A technology prefix is an optional H.323 feature that the gatekeeper uses to group gateways by type or class or to define a pool of gateways.

4

Where is bandwidth management initially done?

Answer:

Bandwidth management is initially done when processing an ARQ. You can modify it later during the call with a BRQ.

5

What is another name for a directory gatekeeper?

Answer:

Another name for a directory gatekeeper is a hierarchical gatekeeper.

6

What is GUP, and what is it used for?

Answer:

GUP is the Gatekeeper Update Protocol. It uses RAS messages to provide updates to alternate gatekeepers when using gatekeeper clustering.

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