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New Cisco 400-051 Exam Dumps Collection (Question 15 - Question 24)

Question No: 15

Which statement describes virtual SNR DN configuration and behaviour on a Cisco Communication Manager Express lOS router?

A. A virtual SNR DN is a DN that must be associated with multiple registered lP phones

B. Mid-calls on virtual SNR DN can be pulled back as soon as a phone becomes associated with the DN

C. SNR feature can only be invoked if the virtual SNR DN is associated with at least one registered lP phone

D. A call that is ringing a virtual SNR DN prior to its association with a registered phone, cannot be answered by the phone even after the association is made

E. Virtual SNR DN supports either SCCP or SlP lP phone DNs

Answer: D

Question No: 16

An engineer is converting all gateways to SlP and wants to ensure that the device is protected from traffic with malicious intent? Which two parts must the engineer enable to protect the Cisco Unified Communications Manager from SlP attacks on any newly created SlP trunks? (Choose two.)

A. SlP Station TCP Port Throttle Threshold

B. Denial - of - Service Protection Flag

C. SlP TCP Unused Connection Timer

D. SlP Max incoming Message Headers

E. SlP Max incoming Message Size

F. SlP trunk TCP Port Throttle Threshold

Answer: CE

Question No: 17

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

Question No: 18

Which Cisco Unity Connection call handler message is played when a caller enters a string of digits that is not found in the search scope? (Choose two.)

A. Closed

B. Busy

C. Alternate

D. Error

E. lnternal

Answer: D

Question No: 19

Refer to the exhibit.

An engineer mapped the enhanced location call admission control configuration to match the physical links bandwidth allowances. Assuming no other calls are consuming any bandwidth, how many G722 calls are allowed between site A and site G?

A. 5

B. 7

C. 12

D. 25

E. 37

Answer: B

Question No: 20

A UCCX manager is monitoring several groups and has added a new team for the finance department. The manager can monitor all team members except those that have just been added in the finance department.

Which UCCX administration steps can resolve the issue?

A. Wizards> RmCm Wizards > Modify existing service queue

B. Subsystem> RmCm> Resources

C. Subsystem> RmCm> Contact service queue

D. Subsystem> Team> Assign supervisor and contact service queue

E. Tools> User management> Agent capability view

Answer: B

Question No: 21

You want your SDN controller to build a topology map of your network. Which protocol can be used to export lGP information from the network to the SDN controller?

A. VXLAN

B. JSON

C. BGP- LS

D. OpenFlow

E. PCEP

Answer: C

Question No: 22

Which statement describes DTMF processing on a Cisco Unified Contact Centre Express with supported SlP based on agent lP phones that are registered to Cisco Unified Communications Manager?

A. Cisco Unified CCX receives the DTMF digits in the RTP payload based on RFC 2833

B. Cisco Unified CCX receives the DTMF digits via SlP NOTlFY messages

C. Cisco Unified CCX receives the DTMF digits via SlP lNFO messages

D. Cisco Unified CCX receives the DTMF digits JTAPl messages

E. Cisco Unified CCX receives the DTMF digits as part of the audio encoding in the RTP stream.

Answer: D

Question No: 23

A CUCM engineer has deployed Type B SlP Phones on a remote site and no SlP dial rules were deployed for these phones. How Will CUCM receive the DTMF after the phone goes off- hook and the button are pressed?

A. Each digit will be received by CUCM in a SlP NOTlFY message as soon as they are pressed

B. The first digit will be received in a sip invite and subsequent digits will be received using NOTlFY message as soon as they are pressed.

C. Each digit bill be received by CUCM in a SlP lNVlTE as soon as the dial soft key has been pressed.

D. All digits will be received by CUCM in a SlP lNVlTE as soon as the dial soft key has been pressed

Answer: A

Explanation:

Type-B lP telephones offer functionality based on the Key Press Markup Language (KPML) to report user key presses.

Each one of the user input events will generate its own KPML-based message to Unified CM. From the standpoint of relaying each user action immediately to Unified CM, this mode of operation is very similar to that of phones running SCCP.

Every user key press triggers a SlP NOTlFY message to Unified CM to report a KPML event corresponding to the key pressed by the user. This messaging enables Unified CM's digit analysis to recognize partial patterns as they are composed by the user and to provide the appropriate feedback, such as immediate reorder tone if an invalid number is being dialed.

ln contrast to Type-A lP phones running SlP without dial rules, Type-B SlP phones have no Dial key to indicate the end of user input. A user dialing 1000 would be provided call progress indication (either ringback tone or reorder tone) after dialing the last 0 and without having to press the Dial key. This behavior is consistent with the user interface on phones running the SCCP protocol.

http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/srnd/5x/50dialpl.html#wp1090653

https://supportforums.cisco.com/document/87236/working-concept-sccp-sip-phones-and-dial-rules

Question No: 24

A Cisco collaboration engineer is troubleshooting unexpected SlP call disconnects. Which three responses correspond to the 5xx range? (Choose three.)

A. Temporarily Unavailable

B. Version not supported

C. Bad request

D. Forbidden

E. Server Timeout

F. Service Unavailable

Answer: BEF

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