Guaranteed of 400-051 exam guide materials and testing material for Cisco certification for client, Real Success Guaranteed with Updated 400-051 pdf dumps vce Materials. 100% PASS CCIE Collaboration exam Today!

2021 Mar 400-051 test engine

Q11. Which two statements about the Peer Firmware Sharing option for IP phone firmware distribution are true? (Choose two.) 

A. This option uses a parent-child hierarchy in which a firmware image is downloaded by a parent phone to up to three directly associated child phones. 

B. This option must be enabled on Cisco Unified Communications Manager service parameters for Cisco TFTP. 

C. This option mandates that the parent phone and child phones be identical, selected phone models. 

D. This option allows firmware transfers between phones in different subnets, as long as the round-trip delay is less than 5 milliseconds. 

E. This option uses a parent-child hierarchy that must be manually defined by the Cisco Unified Communications Manager administrator. 

F. This option allows falling back to the TFTP server in the Cisco Unified Communications Manager cluster. 

Answer: CF 


Q12. Which Device Pool configuration setting will override the device-level settings only when a device is roaming within a device mobility group? 

A. Region 

B. Location 

C. SRST Reference 

D. Calling Party Transformation CSS 

E. Media Resource Group List 

Answer: D 


Q13. How are DTMF digits transported in RFC 2833? 

A. In the RTP stream with the named telephone events payload format. 

B. In the RTP stream with the regular audio payload format. 

C. In SIP NOTIFY messages. 

D. In SIP INFO messages. 

E. In SIP SUBSCRIBE messages. 

Answer: A 


Q14. To which SIP response category does 301 Moved Permanently belong? 

A. Provisional 

B. Successful 

C. Redirection 

D. Client Failure 

E. Server Failure 

Answer: C 


Q15. Refer to the exhibit. 

If this SIP call is initiated using delayed offer, which SIP message will UA#2 use to communicate its media capability to UA#1? 

A. INVITE 

B. 180 Ringing 

C. 200 OK 

D. ACK 

E. RTP Media 

Answer: C 


Far out 400-051 free practice questions:

Q16. Which two SCCP call signaling messages are sent by an IP phone to Cisco Unified Communications Manager? (Choose two.) 

A. SoftKeyEvent 

B. OpenReceiveChannelAck 

C. StartMediaTransmission 

D. SelectSoftKeys 

E. CloseReceiveChannel 

F. StopTone 

Answer: AB 


Q17. When DSP oversubscription occurs on a Cisco IOS router using DSP modules that are based on the C5510 chipset, what will happen when an analog phone connected to a FXS port goes off-hook? 

A. A fast busy tone will be played. 

B. A slow busy tone will be played. 

C. A network busy tone will be played. 

D. A dial tone will be played, but digits will not be processed. 

E. No tone will be played. 

Answer: E 


Q18. Which two applications must be connected to a leaf cluster in a Cisco Unified Communications Manager Session Management Edition deployment? (Choose two.) 

A. Cisco Unified Meeting Place 

B. Cisco Unified Contact Center Express 

C. H.323-based video conferencing systems 

D. Cisco Unity 

E. Cisco Unified Communications Manager Attendant Console 

F. fax servers 

Answer: BE 


Q19. Refer to the exhibit. 

If this SIP call is initiated using early offer, which SIP message will UA#2 use to communicate its media capability to UA#1? 

A. INVITE 

B. 180 Ringing 

C. 200 OK 

D. ACK 

E. RTP Media 

Answer: C 


Q20. Refer to the exhibit. 

A user is performing a series of dialing steps on a SCCP IP phone (extension 1001) to call another SCCP IP phone (extension 2003). Both phones are registered to the same Cisco Unified Communications Manager cluster. 

Which user inputs are sent from the calling IP phone to the Cisco Unified Communications Manager, in the form of SCCP messages, after the user takes the phone off-hook? 

(The commas in the options are logical separators, not part of the actual user input or SCCP messages.) 

A. A separate SCCP message is sent to the Cisco Unified Communications Manager for each of these user inputs: 2, 0, 0, 3 

B. A separate SCCP message is sent to the Cisco Unified Communications Manager for each of these user inputs: 2, 0, 1, <<, 0, 3 

C. The IP phone collects all keypad and soft key events until user inputs stops, then it sends a single SCCP message to report that 2003 has been dialed. 

D. The IP phone collects all keypad and soft key events until user inputs stops, then it sends a single SCCP message to report that 201<<03 has been dialed. 

E. A separate SCCP message is sent to the Cisco Unified Communications Manager for each of these user inputs: 2, 0, 1, <<, 2, 0, 0, 3 

Answer: B