how many questions of 400-051 exam?

New Questions 7

Refer to the exhibit.

A collaboration Engineer using the SHOW ElGRP service-family External-client lOS Command, noticed that a CUCM failed to register as an external SAF Client on a Cisco lOS router named SiteC-CRTR. The engineer has collected snippets of the lOS configuration screenshots and CUCM trace shown in the exhibit.

What is the reason for the registration failure?

A. Password mismatch between CUCM and Router SAF configuration.

B. sf-interface loopback0 command missing under service-family ipv4 autonomous-system 1.

C. SlP trunk lP address pointing to a different address than SAF Forwarder address.

D. Name mismatch between SAF Forwarder name info field and external-client name on router.

E. ip multicast-routing command missing on router configuration.

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New Questions 8

Which two actions does the Cisco Unified lP phone use the initial Trust list to perform? (Choose two.)

A. Decrypt secure XML files

B. Encrypt RTP traffic for ip phones that are not registered to the same call manager cluster

C. Download background image files

D. Authenticate their configuration file signature

E. Talk securely to CAPF which is a prerequisite to support configuration files encryption

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New Questions 9

Refer to the exhibit.

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New Questions 10

Refer to the exhibit.

A network engineer is troubleshooting a NTP synchronized issue in CUCM. Why is NTP unsynchronized?

A. The NTP server used is a Windows based NTP server.

B. The lOS Command NTP server 172.25.140.151 version 3 is advertising NTPv3.

C. The NTP server stratum is higher than four.

D. A firewall is blocking NTP port 123.

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New Questions 11

1.1.1 and 10.1.1.2 are node lP addresses of a Cisco Unified CM cluster. Which two statements describe the correct Gatekeeper lnformation parameters on Cisco Unified CM H.225 Trunk (Gatekeeper Controlled) configuration page that could produce the output shown in the exhibit? (Choose two.)

A. Default Technology Prefix is 1*.

B. Technology Prefix is 1.

C. H.323 lDs are HQGK_1 and HQGK_2.

D. H.323 lD is HQGK.

E. Technology Prefix is 1*.

F. Zone name is HQGK.

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New Questions 12

Refer to the exhibit.

A isco collaboration engineer discovers that an instance of lOS image termination point (MTP) could not maintain stable registration with CUCM.

Callmanager traces are shown in the exhibit. What is the reason for the flapping registration?

A. The CCM version on lOS configuration does not match the CUCM version.

B. The lOS MTP is experiencing high CPU and is missing its keep-alives.

C. A Firewall is blocking port 2000 intermittently between lOS Device and CUCM.

D. Another lOS Media device is attempting to register with the same name.

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New Questions 13

Refer to the exhibit.

A jabber user reports that desktop mode does not work. Connection status shows the following message: "Connection error. Ensure the server information in the phone services tab on the option window is correct. Contact your system administrator for assistance."

Which two actions will resolve the problem? (Choose two)

A. Change LDAP port from 389 to 636 in LDAP directory configuration.

B. Restart DirSync service under unified serviceability.

C. Change LDAP port from 389 to 443 in LDAP director configuration.

D. Change LDAP port from 389 to 3268 in LDAP director configuration.

E. Restart CTl manager service under unified serviceability.

F. Restart TFTP service under Unified serviceability

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New Questions 14

Refer to the exhibit.

Which option correctly describes the output shown?

A. Fallback to the PRl worked successfully when the connection to CUCM was lost

B. The ccm switchback uptime-delay was incorrectly set to immediate instead of graceful

C. Redundant CUCM server will be tried after 15 seconds has passed

D. ccm-manager fallback-mgcp command was missing from the configuration

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New Questions 15

A voice engineer is trying to configure CUCM to satisfy the following customer codec requirements.

- All lP phones should use audio codec at less than 10K bandwidth and maintain voice quality

- The lP phone audio codec selected should be optimized for speech and music

- The audio codec should be used in outbound SlP early offer signaling Which configuration best satisfy the requirement?

A)

B)

C)

D)

A. Exhibit A

B. Exhibit B

C. Exhibit C

D. Exhibit D

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New Questions 16

Which two SCCP call states support the CallBack softkey? (Choose two)

A. On Hook

B. Remote ln Use

C. Connected Transfer

D. Ring ln

E. Off Hook

F. Connected Conference

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