Exam Name: Rich Media Communications
Exam Type: Cisco
Exam Code: 642-481 Total Questions: 55
Page 16 of 17
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A. The H.323 client will request a route to a destination from the gatekeeper, and the
gatekeeper will send the call to the Cisco CallManager server that is configured with the
highest priority.
B. The H.323 client will send H.225 messages to the primary, secondary, and tertiary servers in
the Cisco CallManager group in sequential order; the first server that responds will handle the
call.
C. The H.323 client will send the H.225 setup message to a different server in the cluster for
each call, to facilitate load balancing and redundancy.
D. The H.323 client will send H.225 setup messages to the terminating H.323 endpoint to set up
the call.
Answer: A
Question: 50
Company.com has a central site that is connected to a branch office via a 1.544-Mbps T1 Frame
Relay circuit. The branch office has 20 video-enabled users in it. Least cost routing is used. It is
required that all 20 users are able to use video services simultaneously for internal calls. Which
solution best meets this objective?
A. Route video calls up to the central site in order to save on toll charges.
B. Upgrade the 1.544-Mbps T1 circuit to higher bandwidth.
C. Deploy an IP-videoconferencing video gateway at the branch office and not bother with LCR.
D. Use the Retry Video Call as Audio feature to reroute video calls as voice-only calls if they
exceed the available bandwidth.
Answer: B
Question: 51
In order for Cisco IP/VC 3500 Series MCU to register with a gatekeeper, which two parameters
must be checked? (Choose two.)
A. RAS registration with video gateway
B. registration method, use multicast or specify IP address and port number
C. registration of gateway name and domain name
D. set TTL in gateway
Answer: B, D
Question: 52
When a H.323 device queries a gatekeeper for a route to a destination E.164 address, to which
Cisco CallManager server in a cluster does the gatekeeper send the call?
A. The gatekeeper will use the Cisco CallManager server that is configured with the highest
priority.
B. The gatekeeper will send the call to all the active Cisco CallManager servers in the cluster.
C. The gatekeeper will randomly distribute the calls to the Cisco CallManager servers that are
defined in the Cisco CallManager group that the trunk will use.
D. The gatekeeper will use the gateway that is configured with the preference of 0 in the gw-
priority command.
Answer: A
Question: 53
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