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New Cisco 400-051 Exam Dumps Collection (Question 7 – Question 16)

New Questions 7

Refer to the exhibit.

A collaboration engineer configures Cisco Unified CM location using G.711 and iLBC for each site. The bandwidth for each link is shown. Which two options represent the maximum concurrent number of calls supported by grand junction to Casper for each Codec? (Choose two.)

A. 20 G.711 calls

B. 18 G.711 calls

C. 36 iLBC calls

D. 42 iLBC calls

E. 11 G.711 calls

F. 51 iLBC calls

Answer: C,E

New Questions 8

Refer to the exhibit.

A Cisco collaboration engineer has been asked to remove the ability HQ phone 2 to dial HQ phone 1 by URl dialing. After removing the partition assigned to hqphone1@cisco.com HQ phone 2's CSS, HQ phone 2 is still able to reach HQ phone 1. Why is the HQ phone 1 still reachable using URl dialing?

A. Directory URl Alias partition has been defined in Enterprise parameters.

B. Phone needs to be reset for changes to take effect.

C. Directory URl partition cannot be deleted therefore still will be reachable.

D. CSS Changes failed to be applied after hitting save due to Database replication issues.

Answer: A

New Questions 9

Which two SCCP call signaling messages are sent by an lP phone to Cisco Unified Communications Manager? (Choose two.)

A. SoftKeyEvent

B. OpenReceiveChannelAck

C. StartMediaTransmission

D. SelectSoftKeys

E. CloseReceiveChannel

F. StopTone

Answer: A, B

Explanation:

This message indicates which soft key was pressed. Upon receipt of this message, CallManager invokes the action associated with the pressed soft key. For example, if Hold was the pressed soft key, CallManager places the active call on user hold. ln some trace files you might see a soft key number without the corresponding description. The following list defines each soft key number.

New Questions 10

Which statement describes a disadvantage of using the Cisco TFTP service to serve lP phone load files?

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

New Questions 11

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. lf both endpoints support this option, usually the H.245 Media Controlled messages are exchanged via the Tunneling method.

New Questions 12

Refer to the exhibit.

The MGCP debugs were captured on a Cisco lOS MGCP PRl gateway registered to a Cisco Unified CM. Assume that this gateway had no active calls and will not take any new calls for the next 3 minutes. What time it will send the next NTFY message to the Cisco Unified CM?

A. Jan 10 05:56:35.130

B. Jan 10 05:55:45.130

C. Jan 10 05:55:50.130

D. Jan 10 05:56:05.130

E. Jan 10 05:55:40.130

Answer: C

New Questions 13

A collaboration engineer is designing a Cisco Unity Connection network for a large client running 10 x. The client has 12 locations, each with their own Cisco Unity Connection cluster. Which two designs are valid? (Choose two)

A. full-mesh topology with HTTPS Networking

B. six clusters each in two full-mesh Unity Connection Digital Networks connected with VPlM.

C. hub-and-spoke topology with Unity Connection Digital Networking

D. a 10-cluster Unity Connection Digital network connected to a 2-cluster HTTPS network

E. hub-and-spoke topology with HTTPS Networking

F. full-mesh topology with Unity Connection Digital Networking

Answer: C, F

New Questions 14

What is the name of the logical channel proposal that is transmitted from the called entity to the calling entity in H.323 Fast Connect?

A. Forward Logical Channel

B. Backward Logical Channel

C. Reverse Logical Channel

D. Originator Logical Channel

E. Destination Logical Channel

Answer: C

Explanation: Unlike the OpenLogicalChannel request used by H.323 for video uni-directional logical channels, the request used by H.324 for opening video bi-directional logical channels specifies the temporalSpatialTradeOff Capability in both the forward and reverse directions–in the forwardLogicalChannelParameters.dataTypeandreverseLogicalChannelParameters.dataType components, respectively. The semantics of temporalSpatialTradeOffCapability used in forward LogicalChannelParameters.dataType is described in the previous section. The semantics for its presence in the reverse direction is described in this section.

New Questions 15

A collaboration engineer is configuring Cisco Unified Mobility and found that when mobile phone hangs up, the calling party gets reorder tone and resume softkey does not show on deskphone. lf calling party waits for 45 seconds, the resume softkey appears and call can be connected to the deskphone. Which two configuration modifications resolve this issue? (Choose two)

A. Configure voice call send-alert on voice gateway

B. Configure voice call convert-discpi-to-prog command on the gateway

C. Set the Retain media on disconnect with Pl for active call UCM service parameter to False

D. Configure voice call disc-pi-off command on the gateway

E. Set the call screening timer UCM service parameter to a higher value

F. Set the Send call to Mobile Menu Timer UCM service parameter to a lower value

Answer: CD

New Questions 16

Refer to the exhibit.

A customer is configuring CAR costing for call. When the customer runs the costing reports calls are not being tagged correctly. Which two changes allow proper costing to be determined for these calls? (Choose two)

A. The toll free area code field must be updated to include all toll free area codes

B. A new local pattern must be added with the pattern "k "

C. A new pattern must be added for the 914 and 625 area codecs

D. The items are out of order and must be sorted with the most specific at the top

E. Overlapping area codec on the trunks must be removed

F. All external patterns must be change to include the outside access code

Answer: A,B

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