Home » Cisco » 400-051 » 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.
Correct Answer: B
Explanation/Reference:
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.
