Cisco 400-051 Free Practice Questions

Question No: 11

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

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Question No: 12

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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Question No: 13

Refer to the exhibit.

You received this debug output to troubleshoot a Cisco lOS MGCP gateway media-related problem at a customer site. What is the purpose of this message?

A. The MGCP gateway is responding to an RQNT message from Cisco Unified Communications Manager to poll the media capabilities on its endpoints.

B. The MGCP gateway is responding to an AUEP message from Cisco Unified Communications Manager to poll the media capabilities on its endpoints.

C. The MGCP gateway is responding to an AUCX message from Cisco Unified Communications Manager to poll the active calls on its endpoints.

D. The MGCP gateway is responding to an MDCX message from Cisco Unified Communications Manager during a call setup.

E. The MGCP gateway is responding to a CRCX message from Cisco Unified Communications Manager during a call setup.

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Question No: 14

Refer to the exhibit.

What happens to the USB e-token after the administrator fails to enter the correct password at the next attempt?

A. The token is locked for five days, after which the retry counter resets.

B. The token is locked until unlocked by Cisco TAC.

C. The token is locked until Cisco CTL Client is uninstalled and reinstalled on the client PC.

D. The token cannot be used on the same client PC again. lt can be used with another Cisco CTL Client on a different PC.

E. The token is locked forever.

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Question No: 15

Which three parameters are requested in an Audit Endpoint message from a Cisco Unified CM to an endpoint on a MGCP gateway? (Choose three.)

A. Bearer lnformation

B. Call lD

C. Capabilities

D. Connection lD

E. Connection Mode

F. Connection Parameters

G. Request ldentifier

H. Observed Events

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Question No: 16

ln a Cisco Unified Communications Manager system, which three locations does the TFTP server search when a device requests a configuration file from a TFTP server? (Choose three.)

A. internal caches

B. local disk

C. alternate file server

D. NFS server

E. FTP server

F. load server

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Question No: 17

What is the default data collection interval for Call Detail Records on Cisco Unified CM?

A. 60 seconds

B. 1 seconds

C. 1440 seconds

D. 600 seconds

E. 3600 seconds

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Question No: 18

To which SlP response class do the SlP response codes 300 to 399 belong?

A. Provisional

B. Client Failure

C. Server Failure

D. Successful

E. Redirection

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Question No: 19

An engineer is planning the voice call bandwidth requirements between two offices. The design requires a capacity of 25 concurrent audio calls using the G.729 codec and lPv6 transport. Which two configurations meet the requirements? (Choose two)

A. required bandwidth 850 kbps, given Ethernet transport, and a 30-byte payload.

B. required bandwidth 975 kbps, given Ethernet transport, and a 20-byte payload.

C. required bandwidth 400 kbps, given Ethernet transport, compressed RTP, and a 30-byte payload.

D. required bandwidth 300 kbps, given PPP transport, compressed RTP, and a 20-byte payload.

E. required bandwidth 250 kbps, given PPP transport, compressed RTP, and a 30-byte payload.

F. required bandwidth 650 kbps, given PPP transport, and a 20-byte payload.

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Question No: 20

Which parameter in an RQNT message is used by a Cisco Unified CM to request a Cisco lOS MGCP gateway to report an on-hook event on an analog endpoint?

A. Detect Events

B. Connection Mode

C. Requested Events

D. Event States

E. Observed Events

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