Cisco 400-051 ExamCCIE Collaboration

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New Cisco 400-051 Exam Dumps Collection (Question 14 - Question 23)

New Questions 14

Which MGCP message does a Cisco lOS MGCP gateway send to the backup Cisco Unified CM server when two consecutive keep-alive exchanges failed with the primary Cisco Unified CM server?

A. AUEP

B. DLCX

C. NTFY

D. RSlP

E. AUCX

Answer: D


New Questions 15

What is the minimum number of TCP sessions needed to complete a H323 call between two H323 gateways using slow start?

A. 0

B. 3

C. 2

D. 4

E. 1

Answer: C


New Questions 16

Refer to the exhibit.

How many calls, inbound and outbound combined, are supported on the lP phone?

A. 1

B. 2

C. 8

D. 12

E. 50

Answer: E


New Questions 17

A Cisco Unity Connection administrator receives a name change request from a voice-mail user, whose Cisco Unity Connection user account was imported from Cisco Unified Communications Manager. What should the administrator do to execute this change?

A. Change the user data in the Cisco Unity Connection administration page, then use the Synch User page in Cisco Unity Connection administration to push the change to Cisco Unified Communications Manager.

B. Change the user data in the Cisco Unified Communications Manager administration page, then use the Synch User page in Cisco Unity Connection administration to pull the changes from Cisco Unified CM.

C. Change the user data in the Cisco Unified Communications Manager administration page, then use the Synch User page in Cisco Unified CM administration to push the change to Cisco Unity Connection.

D. Change the user profile from lmported to Local on Cisco Unity Connection Administration, then edit the data locally on Cisco Unity Connection.

E. Change the user data in Cisco Unity Connection and Cisco Unified Communications Manager separately

Answer: B


New Questions 18

A collaboration engineer has been asked to implement secure real-time protocol between a Cisco Unified CM and its SlP gateways. Which option is a consideration for this implementation? (Choose two.)

A. SRTP is supported only in Cisco lOS 15.x and higher

B. Only T.38 and Cisco Fax protocols are supported.

C. Call hold RE-lNVlTE is not supported.

D. SlP requires that all times be sent in GMT

Answer: D


New Questions 19

Refer to the exhibit.

A phone VPN failed to establish a VPN with the Cisco AS A. The support engineer downloaded the console logs and analysed them. When two steps resolve this issue?(Choose two)

A. Configure user and password authentication instead of certificate only

B. Uncheck the enable Host lD check checkbox under the VPN profile in Cisco Unified CM

C. Reset the Cisco Unified CM TFTP service to allow caching of the new certificate

D. Delete the current certificate so the phone can download a new one

E. Register the phone internally to download the new configuration

Answer: BE


New Questions 20

Refer to Exhibit:

A cisco Unified CM engineer configured a phone VPN for remote users but the users cannot register the phones to the VPN. Which configuration change fixes this problem?

A. Configure enable outside in the webVPN configuration on the Cisco ASA

B. Configure the split-tunnel-policy tunnel all attribute on the Cisco ASA

C. Configure the ssl trust-point SSL outside on the Cisco ASA

D. Remove the Cisco ASA lP address from the VPN load-balancing configuration

Answer: D


New Questions 21

The Cisco Unified Border Element is configured using high availability with the Hot Standby Routing Protocol.

Which two pieces of information can be gathered about the calls traversing these border elements? (Choose two.)

A. The total number of calls is 150.

B. The number of non-native calls is 70.

C. The number of native calls is 501 .

D. The number of calls preserved is 220.

E. The total number of active calls is 100.

Answer: AB

Explanation:

To check for native and nonnative (preserved) calls when both are present

The numbers of calls on the system are shown as follows:

Total number of calls = "Number of calls in HA DB" + "Number of calls in HA sync pending DB". This is 100 + 50 = 150 in

the example output below.

Total number of preserved (nonnative) calls = "Number of calls in HA preserved session DB". This is 70 in the example output below.

Total number of native calls (calls set up since the failover and therefore not preserved over the failover) is the difference in the previous two numbers. ln this example, it is 150 - 70 = 80.

XFR-2#show voice high-availability summary

======== Voice HA DB lNFO ========

Number of calls in HA DB: 100

Number of calls in HA sync pending DB: 50

Number of calls in HA preserved session DB: 70

http://www.cisco.com/c/en/us/support/docs/voice-unified-communications/unified-border-element/112095-cube-hsrp-config-00.html


New Questions 22

Which Cisco Unity Connection call handler greeting, when enabled overrides all other greetings?

A. Closed

B. Holiday

C. Alternate

D. lnternal

E. Busy

Answer: C


New Questions 23

Refer to the exhibit.

Which three pieces of information can be derived from this sip message? (Choose Three)

A. The call will have no audio

B. Only OOB DTMF will be supported

C. G722 codec will be chosen

D. The B2BUA uses lP 172.16.100.50

E. This is a flow-around configuration

F. The call will last only 30 minutes

Answer: BDF


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