Which RAS message does a gateway use to request admission to a network and to also request
phone number to IP address resolution?

A.
ARQ

B.
IRQ

C.
LRQ

D.
RRQ

Explanation:
Admission messages between endpoints (like a gateway) and gatekeepers provide the basis for
call admissions and bandwidth control. Gatekeepers authorize access to H.323 networks with the
confirmation of or rejection of an admission request. This table defines the RAS admission
messages

http://www.cisco.com/en/US/tech/tk1077/technologies_tech_note09186a00800c5e0d.shtml