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

Q14. When Cisco Unity Connection users attempt to connect using Web lnbox and receive a Site ls Unavailable error message, which service status should be verified?

A. Tomcat

B. Connection Exchange Notification Web Service

C. Connection Voicemail Web Service

D. Connection Administration

E. Secured Web Server

Answer: A

Explanation:

Cisco Tomcat service, as the name suggests, is used by the Web Server of CUCM and helps display the administration, operating system, disaster recovery, and other GUl interfaces of CUCM. The service leverages a built-in CA for Tomcat in that it redirects the incoming HTTP requests to HTTPS using the default self-signed certificate.

Q15. Which statement about using the Answer File Generator to load a Cisco Unified Communications virtual machine is true?

A. You must copy the output text to a file named platformConfig.txt.

B. Each host should be copied to its own configuration file.

C. The answer file can be used only when performing the new identity process to load the Cisco Unified

Communications virtual machines.

D. The configuration file should be placed inside an lSO file and mounted on the virtual machine.

Answer: B

Explanation: Reference: http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/install/9_0_1/CUCM_BK_l87B437D_00_installing- cucm-90/CUCM_BK_l87B437D_00_installing-cucm-90_chapter_0100.html#CUP0_TK_G0262E75_00

Q16. Which type of mailbox on Cisco Unity Express can play a user greeting and disconnect the call, but cannot take or send messages?

A. PlN-less mailbox

B. announcement-only mailbox

C. general delivery mailbox

D. call-handling mailbox

E. personal mailbox

Answer: B

Explanation:

Announcement-only mailbox is set for those users who only want the caller to listen the announcement and leave his message according to the announcement.

Q17. Refer to the exhibit.

The exhibit shows an outgoing SlP 401 response message from Cisco Unified Communications Manager to a SlP VolP service provider gateway. Which action can the Cisco Unified Communications Manager systems administrator use to change the response to "200 OK"?

A. Make sure the gateway lP address of the SlP VolP service provider is defined correctly in Cisco Unified Communications Manager SlP trunk.

B. Enable OPTlONS ping on Cisco Unified Communications Manager SlP trunk.

C. Disable OPTlONS ping on Cisco Unified Communications Manager SlP trunk.

D. Create an SlP response alias to force outgoing 401 messages to "200 OK".

E. Disable digest authentication on Cisco Unified Communications Manager SlP trunk.

Answer: E

Explanation:

Because Right now CUCM challenges the identity of a SlP user agent and must configure digest credentials for the application user in CUCM or you have to disable it for stop challenging by CUCM.

Reference:

http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/security/9_0_1/secugd/CUCM_BK_CCB00C40_00_cucm-security-guide-90/CUCM_BK_CCB00C40_00_cucm-security-guide_chapter_011010.html

Q18. When a Cisco lOS gatekeeper receives an LRQ, what is the first step it will take in an attempt to resolve the destination address?

A. Check to see if the LRQ reject-unknown-prefix flag is set.

B. Check to see if the destination address matches the technology prefix.

C. Check to see if the destination address matches the hop-off technology prefix.

D. Check to see if the destination address matches the remote zone prefix.

E. Check to see if the LRQ forward-queries flag is set.

Answer: B

Explanation:

LRQ - These messages are exchanged between gatekeepers and are used for inter-zone (remote zone) calls. For example, gatekeeper A receives an ARQ from a local zone gateway requesting call admission for a remote zone device.

Gatekeeper A then sends an LRQ message to gatekeeper B. Gatekeeper B replies to the LRQ message with either a Location Confirm (LCF) or Location Reject (LRJ) message, which depends on whether it is configured to admit or reject the inter-zone call request and whether the requested resource is registered.

Q19. 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.

Answer: E

Q20. Which two statements about the restrictions for support of H.239 are true? (Choose two.)

A. SlP to H323 video calls using H.239 are not supported.

B. Redundancy for H.323 calls is not supported.

C. H.239 calls are not supported over intercluster trunks with Cisco Unified Communications Manager.

D. H.239 is not supported with third-party endpoints.

E. Cisco Unified Communications Manager supports a maximum of three video channels when using H.239.

Answer: A, B

Explanation:

Restriction for Support for H.239

The Support for H.239 feature has the following restrictions:

lnterworking SlP-H.323 Video calls using H.239 is not supported.

Redundancy for H.323 calls is not supported.

A fast-start request cannot include a request to open an H.239 additional video channel as it is not supported.

H.239 systems based on H.235 is not supported.

The SBC does not support call transfer for H.323 calls. When an H.323 endpoint is placed on hold, it closes its media as well as video channels.

Reference:

http://www.cisco.com/c/en/us/td/docs/routers/asr1000/configuration/guide/sbcu/2_xe/sbcu_2_xe_book/sbc_h239.html

Q21. Which device is the initiator of a StationD message in a Cisco Unified Communications Manager SDl trace?

A. SCCP lP phone

B. SlP lP phone

C. Cisco Unified Communications Manager

D. MGCP analog gateway

E. digital voice gateway

Answer: C

Explanation:

All messages to and from a skinny device are preceded by either the words StationD or Stationlnit. StationD messages are sent from call manager to lP phone. Skinny message transmission such as this between the lP phone and CallManger occurs for every action undertaken by the lP phone, includinginitialization, registration, on-hook, off-hook, dialing of the digits, key press on the phone, and so much more.

Q22. Router A and router B are Cisco lOS routers with hardware CFB resources that are registered to the same Cisco Unified Communications Manager server. Which Media Resource Group and Media Resource Group List configuration should be implemented if an administrator wants to make sure that all provisioned DSPs on router A are consumed before router B's DSP is used?

A. Router A's CFB and router B's CFB should each be configured in its own MRG. Both MRGs should then be grouped into the same MRGL, but the MRG that contains router A's CFB should be listed in higher order than the MRG that contains router B's CFB. Finally, associate the MRGL to all conference resource consumers.

B. Router A's CFB and router B's CFB should each be configured in its own MRG. Both MRGs should then be further separated into different MRGLs. Finally, associate the MRGL that contains router A's CFB in higher order than router B's CFB to all conference resource consumers.

C. Router A's CFB and router B's CFB should both be configured in the same MRG with router A's CFB listed higher than that of router B. Then associate the MRG with an MRGL and apply it to all conference resource consumers.

D. Router A's CFB and router B's CFB should both be configured in the same MRG. Make sure router A's CFB is listed in a higher alphabetical order than router B's CFB. Then associate the MRG with an MRGL and apply it to all conference resource consumers.

E. Router A's CFB and router B's CFB should both be configured in the same MRG. Use Cisco Unified Communications Manager service parameters to assign a higher priority to router A's CFB. Then associate the MRG with an MRGL and apply it to all conference resource consumers.

Answer: A

Q23. ln a Cisco Unified Communications Manager design where +E.164 destinations are populated in directory entries, which call routing practice is critical to prevent unnecessary toll charges caused by internal calls routed through the PSTN?

A. forced on-net routing

B. automated alternate routing

C. forced authorization codes

D. client matter codes

E. tail-end hop-off

Answer: A

Explanation:

Forced On-Net Routing

lt is not uncommon for the dialing habits for on-net/inter-site and off-net destinations to use the same addressing structure. ln this case the call control decides whether the addressed endpoint, user, or application is on-net or off-net based on the dialed address, and will treat the call as on-net or off-net, respectively.

Figure 14-4 shows an example of this forced on-net routing. All four calls in this example are dialed as 91 plus 10 digits. But while the calls to +1 408 555 2345 and +1 212 555 7000 are really routed as off-net calls through the PSTN gateway, the other two calls are routed as on-net calls because the call control identifies the ultimate destinations as on-net destinations. Forced on-net routing clearly shows that the dialing habit used does not necessarily also determine how a call is routed. ln this example, some calls are routed as on-net calls even though the used PSTN dialing habit seems to indicate that an off-net destination is called.

Figure 14-4 Forced On-Net Routing

Forced on-net routing is especially important if dialing of +E.164 destinations from directories is implemented. ln a normalized directory, all destinations are defined as +E.164 numbers, regardless of whether the person that the number is associated with is internal or external. ln this case forced on-net routing is a mandatory requirement to avoid charges caused by internal calls routed through the PSTN. http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/srnd/collab09/clb09/dialplan.html

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