Pass4sure offers free demo for 400-051 exam. "CCIE Collaboration", also known as 400-051 exam, is a Cisco Certification. This set of posts, Passing the Cisco 400-051 exam, will help you answer those questions. The 400-051 Questions & Answers covers all the knowledge points of the real exam. 100% real Cisco 400-051 exams and revised by experts!








Q22. Which four attributes are needed to determine the time to complete a TFTP file transfer process? (Choose four.) 

A. file size 

B. file type 

C. network interface type 

D. round-trip time 

E. packet loss percentage 

F. response timeout 

G. network throughput 

Answer: ADEF 

Q23. Which statement describes the supported integration method when Cisco Unity Connection and Cisco Unified Communications Manager are installed on the same server as Cisco Unified Communications Manager Business Edition? 

A. Only SCCP integration is supported. 

B. Only SIP integration is supported. 



E. Circuit-switched integration is supported through PIMG. 


Q24. 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 


A. SoftKeyEvent 

B. CloseReceiveChannelAck 

C. CallState 

D. KeypadButton 

E. OpenReceiveChannel 

F. Offhook 

Answer: CE 

Q26. Which SIP reason phrase maps to SIP response reason code 181? 

A. Ringing 

B. Call is Being Forwarded 

C. Session in Progress 

D. Unknown Number 

E. Call Does not Exist 


Q27. Refer to the exhibit. 


Which description of what happens when the user of IP phone B presses the Transfer soft key is true? 

A. IP phone A user hears audio source 3 from MOH server A. 

B. IP phone A user hears audio source 4 from MOH server B. 

C. IP phone A user hears audio source 3 from MOH server B. 

D. IP phone A user hears tone on-hold beep tones. 

E. IP phone A user hears no on-hold music or beep tones. 


Q28. Which two statements describe characteristics of Cisco Unified Border Element high availability, prior to Cisco IOS release 15.2.3T, using a box-to-box redundancy configuration? (Choose two.) 

A. It leverages HSRP for router redundancy and GLBP for load sharing between a pair of routers. 

B. Cisco Unified Border Element session information is check-pointed across the active and standby router pair. 

C. It supports media and signal preservation when a switchover occurs. 

D. Only media streams are preserved when a switchover occurs. 

E. It can leverage either HSRP or VRRP for router redundancy. 

F. The SIP media signal must be bound to the loopback interface. 

Answer: BD 

Q29. In Key Press Markup Language, which SIP request is used to deliver the actual DTMF digits? 







Q30. Which two analog telephony signaling methods are most vulnerable to glare conditions? (Choose two.) 

A. FXS Loop-start 

B. FXO Ground-start 

C. E&M Wink-start 

D. E&M Delay-dial 

E. E&M Immediate-start 

F. E&M Feature Group D 

Answer: AE