Category: APE
Cisco 642-481 Study Material, Provides Cisco 642-481 Exams Latest Version PDF&VCE
QUESTION 50
Certkiller .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.
Correct Answer: B Section: (none) Explanation
Explanation/Reference:
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
Correct Answer: BD Section: (none) Explanation
Explanation/Reference:
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.
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 53
Certkiller .com currently has a room-based videoconferencing system that is connected to the PSTN via three BRIs. Certkiller .com is converting to H.323 and would like to continue using the BRIs to make video calls to the suppliers. Which device should the company deploy?
A. Cisco IPVC 3511
B. Cisco IPVC 3521
C. Cisco IPVC 3526
D. Cisco IPVC 3540
Correct Answer: B Section: (none) Explanation
Explanation/Reference:
QUESTION 54
How should the IP-to-IP gateway be configured to support video codecs across all dial peers?