400-051 Practice Test Questions Answers

400-051 Sample Questions:

Question Number 1:

A Cisco Unified Cm user is set up with one remote destination profile that has two remote

destination numbers: the first destination number is the users mobile phone in

country A and the second is a mobile phone located in country . All outbound calls are

centralized from the gateway at country A. The user reports that inbound calls are properly

routed to the mobile phone as long as the user is in country A. But inbound calls are not

successfully routed to country B. Which two options could be the cause of this? (Choose

two)

A. The enable mobile connect option must be selected under the users second remote

destination number.

B. The value of remote destination limits should be chaned to 2 instead of the default value

of 4 under the end user page.

C. The enable mobile voice access option must be selected under the end user page.

D. The value of maximum wait time for desk pickup should be changed to 20000 instead of

the default of D. 10000, under the end user page.

E. The rerouting calling search space assigned to the users remote destination profile

must have access to international calls.

Answer: A,E

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Question Number 2:

Which statement describes a disadvantage of using the Cisco TFTP service to serve IP

phone load files?

A. The Cisco TFTP services can run on only one Cisco Unified Communications Manager

server in a cluster.

B. Because TFTP operates on top of UDP, there is a high risk of corrupted load file delivery

at the completion of the TFTP process due to undetected data loss in the network.

C. If a response is not received in the timeout period, the TFTP server will not resend the

data packet.

D. Packet loss can significantly increase the TFTP session completion time.

E. Because TFTP operates with an adaptive timeout period, the time to complete the file

transfer is unpredictable.

Answer: D

Explanation:

Voice traffic cannot recapture lost packets. Rather than retransmitting a lost network

connection, the phone resets and attempts to reconnect its network connection.

Reference:

http://www.cisco.com/en/US/docs/voice_ip_comm/cuipph/6921_6941_6961/7_1_2/english/

admin/guide/6921trb.html#wp1031181

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Question Number 3:

What is the maximum number of call-processing subscribers in a standard deployment of a

Cisco Unified Communications Manager Session Management Edition cluster?

A. 3

B. 4

C. 5

D. 8

E. 16

Answer: D

Explanation:

There is no deployment difference between CUCM & CUCM session management Edition

cluster. The only difference is that CUCM SME is designed to support a large number of

trunk to trunk connections. Thus, 8 subscribers.

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Question Number 4:

Which procedure uses H.225 messages to exchange H.245 Master-Salve Determination

information?

A. H.323 Fast Connect

B. H.245 tunneling

C. H.225 tunneling

D. H.323 early media

E. H.245 terminal capability set

Answer: B

Explanation:

The H.245 protocol is a media control protocol that is a part of H.323 protocol suite. The

H.245 protocol is used primarily to negotiate master-slave relationship between

communicating endpoints. These endpoints exchange terminal capabilities and logical

channel manipulations (open, close, modify).The H.245 messages can be encapsulated

and carried between H.225 controlled endpoints within H.225 messages. This way of

piggy-backing an H.245 message to H.225 message is referred to as H245 Tunneling.

The H.245 Tunneling method is optional and negotiable between communicating H.323

endpoints. If both endpoints support this option, usually the H.245 Media Controlled

messages are exchanged via the Tunneling method.

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Question number 5:

When multiple greetings are enabled on Cisco Unity Express, which greeting will take the highest precedence?

A. standard

B. meeting

C. busy

D. closed

E. internal

Answer: B

Explanation:

Meeting greeting has the highest priority because it is set by the user when he does not want

to take the call and notices the caller he is online.

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