If your IP telephony administrator asks you to configure a local zone for your dial plan to control the
volume of calls between two end points in a centralized multisite environment, which two types of
Call Admission Control can be implemented? (Choose two.)

A.
locations based

B.
automated alternate routing

C.
gatekeeper based

D.
SRST

E.
Cisco Unified Communications Manager based

Explanation:
Location-based call admission control (CAC) manages WAN link bandwidth in Cisco Unified
Communications Manager. Automated alternate routing (AAR) provides a mechanism to reroute
calls through the PSTN or other network by using an alternate number.
Link:
http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/admin/8_6_1/ccmsys/a02cac.html#wp10
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