When a Cisco IOS gatekeeper receives an ARQ from a registered endpoint, what is the first step it will take in an attempt to resolve the destination address?

When a Cisco IOS gatekeeper receives an ARQ from a registered endpoint, what is the first step it will take in an attempt to resolve the destination address?
A . Check to see if the destination address is locally registered.
B . Check to see if the destination address matches the technology prefix.
C . Check to see if the destination address matches the local zone prefix.
D . Check to see if the destination address matches the remote zone prefix.
E . Check to see if the destination address matches the default technology prefix.

View Answer

Answer: B

Explanation:

Admission Request (ARQ) and Location Request (LRQ) are the two H.225 Registration, Admission, Status (RAS) messages that trigger a gatekeeper to initiate the call routing decision process.

• ARQ―Local zone messages that are sent by H.323 endpoints (usually gateways) to the Cisco gatekeeper. Gatekeepers receive ARQs from an endpoint if.

– A local zone endpoint initiates a call. OR

– A local zone endpoint request permission to admit an incoming call.