Cisco 642-481 Actual Test, Sale Latest Cisco 642-481 Certification Exam On Store

At Flydumps,we are positive that our Cisco 642-481 preparation material with questions and answers pdf provide most in-depth solutions for individuals that are preparing for the Cisco 642-481 exam.Our uodated Cisco 642-481 brain dumps will allow you the opportunity to know exactly what to expect on the exam day and ensure that you can pass the exam beyond any doubt.

QUESTION 46
Which feature automatically switches between a range of video layouts according to the number of participants joining or leaving a conference?
A. Continuous presence
B. Dynamic presence
C. Dynamic layout
D. Rate matching
E. Automatic down-speeding

Correct Answer: C Section: (none) Explanation
Explanation/Reference:
QUESTION 47
Certkiller.com is implementing a Cisco IP Videoconferencing solution that includes a Cisco CallManager and a Cisco IOS Gatekeeper. The customer uses H.323 and H.320 devices exclusively. Video calls will use RTP streams for audio, video, and far-end camera control and a sequence of call control signaling messages. What handles negotiation of the video codec (H.261, H.263), resolution, frame rate, and H.323 annexes?
A. Intercluster trunks
B. Cisco CallManager
C. Cisco MCM Gatekeeper
D. Cisco IOS Alternate Gatekeeper
E. Video endpoints

Correct Answer: B Section: (none) Explanation
Explanation/Reference:
QUESTION 48
Certkiller.com is a large enterprise with many office sites. Certkiller.com is planning to add IP videoconferencing to the existing IP telephony network. It has been determined that an MCU will be placed in each site. External participants in videoconferences will dial in using DID to reach the conference MCUs. Internal participants will dial the proper extension numbers for conferences. What does Cisco recommend for the videoconferencing gateway placement and the IP-videoconferencing dial plan?
A. A single videoconferencing gateway with a single zone prefix for all MCUs
B. A single videoconferencing gateway, with the MCUs at each site having a separate zone prefix that is independent of the area code
C. A videoconferencing gateway in every site, with an MCU zone prefix for each site that is independent of the area code
D. A videoconferencing gateway in every site, and the MCU zone prefixes matching the local area code
E. A videoconferencing gateway in every site, and all the MCUs placed in a single zone prefix

Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 49
In which order does a H.323 client send H.225 setup messages to the servers in a Cisco CallManager cluster?
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.

Correct Answer: A Section: (none) Explanation
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
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?
A. Use the codec transparency enable command under the voice class codec in the Cisco Multiservice IP-to-IP Gateway.
B. Configure codec class transparent in the gateway configuration page in Cisco CallManager.
C. Use the codec preference command under the voice class codec in the Cisco Multiservice IP-to-IP Gateway.
D. Use the codec command to configure codec transparency for the Cisco Multiservice IP-to-IP Gateway.

Correct Answer: C Section: (none) Explanation
QUESTION 55
Certkiller.com is installing an IP videoconferencing system in the corporate office. Users need the ability to dial out to external H.320 videoconferences. Certkiller.com is installing a videoconferencing gateway, but is concerned that outside callers may be able to dial the gateway and then hairpin back out to the PSTN. What does Cisco recommend to ensure that this cannot happen?
A. Set up the gatekeeper to allow only outgoing calls that originate internally.
B. Configure the Cisco CallManager so that the gateway terminates hairpinned calls.
C. Configure the gateway to allow only outgoing calls that originate internally.
D. Use the “#” digit in the service prefix so that hairpinned call attempts will fail.

Correct Answer: D Section: (none) Explanation
Explanation/Reference:

Flydumps.com is providing complete solutions for Cisco 642-481 that will help the candidates learn extensively and score exceptional in the Cisco 642-481 exam. Passing the Microsoft is not a dream anymore as our user friendly learning resources ensure guaranteed success.