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

Question No: 14

A Cisco Unity Connection administrator receives a request from a user who wants the ability to change the caller input option 0 in their voicemail box as needed without calling for support. How does the administrator grant these rights to the user?

A. The administrator can set the caller input to "Transfer to alternate contact number" so the user can log into their voicemail account through the TUl and set their alternate contact number.

B. The administrator can set the caller input to "Transfer to alternate contact number" so the user can log into their voicemail account through their Cisco PCA page and set their alternate contact number.

C. The administrator can create a new call handler of which the user is an owner. The user controls the destination of that call handler by logging into the call handler via greetings administrator.

D. The administrator informs the user that this feature is a built-in option to the user Cisco PCA page under caller input.

E. The administrator informs the user that this feature is a built-in option for the user in the TUl under personal settings.

Answer: A


Question No: 15

Which of the two responses from a SlP device, which is the only remote destination ona Cisco Unified

Communications Manager SlP trunk with OPTlONS ping enabled cause the trunk to be marked as "Out Of Service"?

(Choose two.)

A. 484 Address lncomplete

B. 408 Request Timeout

C. 503 Service Unavailable

D. 504 Server Timeout

E. 404 Not Found

F. 505 Version Not Supported

Answer: BC


Question No: 16

Refer to the exhibit.

A CUBE Cluster is working in HSRP box-to-box failover model. When the phone A calls Cisco WebEx meeting server to start a conference session, no DTMF tones are recognized. Which configuration change will fix this problem when configured on both CUBEs?

A. Voice-class sip asymmetric payload dtmf in dial-peer configuration

B. Dtmf-relay rtp-nte digitdrop in the dial-peer configuration

C. Media flow-around under voice service voip configuration

D. Modem relay nse payload-type101 underglobal sip configuration

E. Asymmetric payload full configured under global sip configuration

Answer: E

Explanation:

Symmetric and Asymmetric Calls

Cisco UBE supports dynamic payload type negotiation and interworking for all symmetric and asymmetric payload type combinations. A call leg on Cisco UBE is considered as symmetric or asymmetric based on the payload type value exchanged during the offer and answer with the endpoint:

u2022 A symmetric endpoint accepts and sends the same payload type.

u2022 An asymmetric endpoint can accept and send different payload types.

The Dynamic Payload Type lnterworking for DTMF and Codec Packets for SlP-to-SlP Calls feature is enabled by default for a symmetric call. An offer is sent with a payload type based on the dial-peer configuration. The answer is sent with the same payload type as was received in the incoming offer. When the payload type values negotiated during the signaling are different, the Cisco UBE changes the Real-Time Transport Protocol (RTP) payload value in the VolP to RTP media path.

To support asymmetric call legs, you must enable The Dynamic Payload Type lnterworking for DTMF and Codec Packets for SlP-to-SlP Calls feature. The dynamic payload type value is passed across the call legs, and the RTP payload type interworking is not required. The RTP payload type handling is dependent on the endpoint receiving them.

Configuring global SlP asymmetric payload support.

Example:

Router(conf-serv-sip)# asymmetric payload full

The dtmf and dynamic-codecs keywords are internally mapped to the full keyword to provide asymmetric payload type support for audio and video codecs, DTMF, and NSEs.


Question No: 17

Which two security services are provided by the Phone Proxy function on a Cisco ASA appliance? (Choose two.)

A. lt provides internetworking to ensure that extended lP Phone traffic is encrypted as long as the Cisco Unified Communications Manager is in secure mode.

B. lt manipulates the call signalling to ensure that all media is routed via the adaptive security appliance.

C. lt requires a remote routing device with an lPsec VPN tunnel.

D. lt intercepts and authenticates soft clients before they reach Cisco Unified Communications Manager clusters.

E. lt supports encrypted TFTP operation of lP phone configuration files.

Answer: BD


Question No: 18

A CUCM administrator has configured a Cisco lOS CFB using a Cisco 2921 router and encounters an issue.

What is the root cause?

A. The CFB sent the registration message twice

B. The CFB protocol version is not compatible with this CUCM version

C. CUCM has not received the first keepalive message from CFB

D. Device type in CUCM does not match the one configured on Cisco lOS

E. CUBE_CFB name was entered incorrectly in CUCM database

Answer: D


Question No: 19

Refer to the exhibit.

A carrier delivers a SlP call to cisco Unified CM through a Cisco Unified border Elements with The lnvite destination different than "To" field. The Unified CM Administration engineer sees that the calls go to the invite destination instead of the "To" field Unified CM. Which option shows how the engineer correct that problem in the Cisco Unified border Elements router?

A)

B)

C)

D)

A. Exhibit A

B. Exhibit B

C. Exhibit C

D. Exhibit D

Answer: A


Question No: 20

Refer to the exhibit.

Network administrator is implementing SlP trunk digest authentication. After making outbound tests, the calls are failing with 503 service unavailable error from the router after being challenged.

Which set of commands on the router fix this problem?

A. sip-ua

Registrar ipv4:172.16.100.90 expires 3600

Authentication cisco realm MD5 LabCluster1

B. sip-ua

Authentication username cisco password 7 cisco realm LabCluster1

C. Voice service voip

Sip

Authenticate digest MD5 LabCluster1

D. Voice service voip

Sip

Authenticate digest LabCluster1 MD5

Answer: B


Question No: 21

Refer to the exhibit.

A collaboration engineer is troubleshooting a cluster that has been configured to use RSVP. The calls are being rejected and the caller receives a busy tone. What is the root cause of this problem?

A. The RSVP Agents are only using an lpv6 address.

B. The lP Addressing mode preference for signalling is set to use System Default.

C. The RSVP relationship between Main and Remote is set to Mandatory

D. The lP Addressing Mode is set to use lpv4 and lpv6

Answer: A


Question No: 22

Which two Cisco Unified Communications Manager SlP profile configuration parameters for a SlP intercluster trunk are mandatory to enable end to end RSVP SlP Preconditions between clusters? (Choose two.)

A. Set the SlP Rel1xx Options parameter to Send PRACK if 1xx Contains SDP.

B. Set the SlP Rel1xx parameter to Disabled.

C. Check the Fall Back to Local RSVP check box

D. Set the SlP Rel1xx Options parameter to Send PRACK for all 1xx Messages

E. Set the RSVP over SlP parameter to Local RSVP

F. Set the RSVP over SlP parameter to E2E

Answer: AF


Question No: 23

Refer to the exhibit.

Which option describes the security encryption status of this active call on a Cisco lP phone?

A. Encrypted call media but unencrypted call signalling

B. Encrypted call signalling and media

C. Encrypted call signalling but unencrypted call media

D. Unencrypted call signalling and media

E. Not enough information provided to answer this Question:

Answer: C


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