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Exambible 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!


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Q121. Which codec is supported on the Cisco PVDM2 DSP modules but not on the PVDM3 DSP modules? 

A. G.728 

B. G.729B 

C. G.729AB 

D. G.723 

E. G.726 

Answer:


Q122. Company ABC is planning to migrate from MCS-hosted Cisco Unified Communications Manager applications to Cisco UC on UCS B-Series servers. Which statement about installation media support is true for this migration? 

A. The install log can be written to a USB flash drive that is attached to the UCS server. 

B. The answer file that is generated by the Answer File Generator (platformConfig.xml) can be read from a USB flash drive to perform an unattended installation on the UCS server. 

C. The Cisco Music on Hold USB audio sound card can be mapped to a virtual USB port on a VMware virtual machine on the UCS server. 

D. The answer file that is generated by the Answer File Generator (platformConfig.xml) can be read from an FLP image that is mounted in a virtual floppy drive. 

E. The Cisco Music on Hold USB audio sound card can be mapped to a virtual serial port on a VMware virtual machine on the UCS server. 

Answer:


Q123. In a Cisco EnergyWise domain, which two terms describe a Cisco IP phone? (Choose two.) 

A. endpoint 

B. domain member 

C. child domain member 

D. EnergyWise agent 

E. Cisco power distribution unit 

Answer: AC 


Q124. Refer to the exhibit. 

Which DTMF relay method is advertised when the originating SIP gateway sends an INVITE message with a Call-Info header shown? 

A. RFC 2833 

B. SIP INFO 

C. SIP NOTIFY 

D. SIP KPML 

E. In-band audio 

Answer:


Q125. 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 


Q126. In 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:


Q127. To which Cisco enterprise medianet application class does Cisco TelePresence belong? 

A. VoIP Telephony 

B. Real-time Interactive 

C. Multimedia Conferencing 

D. Broadcast Video 

E. Low Latency Data 

Answer:


Q128. When IP phone A was provisioned in a Cisco Unified Communications Manager, 2001 was configured as the directory number for its first line. Also, bob@cisco.com was defined as the only directory URI on the Directory Number configuration page for this line. A few days later, an end user was created in the same Cisco Unified Communications Manager and was associated with the same phone with the primary extension set to 2001. Also, bobby@cisco.com was defined as a directory URI for that end user. 

Which option about the primary directory URI for IP phone A is true? 

A. bob@cisco.com 

B. bobby@cisco.com 

C. It depends on which radio button was selected next to the Directory URI entries on the Directory Configuration page. 

D. Both are primary directory URIs in a manner like a shared line for DNs. 

E. Neither are primary directory URIs for IP phone A. 

Answer:


Q129. Which Cisco Unified Contact Center Express core system software component communicates with Cisco Agent Desktop for agent state control and call control? 

A. Unified CCX Engine 

B. Database 

C. Monitoring 

D. Recording 

E. RmCm 

Answer:


Q130. Refer to the exhibit. 

You received this debug output to troubleshoot a Cisco IOS 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: