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Q71. Which device must be accessible from the public Internet in a Collaboration Edge environment? 

A. Expressway-C 

B. Cisco Unified Communications Manager 

C. Cisco IM and P 

D. Expressway-E 

E. VCS Control 

Answer:


Q72. Refer to the exhibit. 

The H.323 Gateway is showing status “unknown”. Which statement is true? 

A. The gateway must be reset in Cisco Unified Communications Manager. 

B. The no gateway command followed by the gateway command must be issued in Cisco IOS. 

C. The mgcp commands must be removed. 

D. H.323 gateways do not register with Cisco Unified Communications Manager H.323 gateways always show status "Unknown". 

E. VUAN 1 20 may be down and so the H.323 gateway appears offline to the Cisco Unified Communications Manager 

Answer:

Explanation: 

Incorrect Answer: A, B, C, E 

After a gateway is registered with Cisco Unified Communications Manager, gateway registration status may display in Cisco Unified Communications Manager Administration as unknown. 

Link: 

http://www.cisco.com/en/US/docs/voice_ip_comm/cucmbe/admin/8_6_1/ccmcfg/b06gtway. html 


Q73. Refer to the exhibit. A user in RTP calls a phone in San Jose during congestion with Call Forward No Bandwidth (CFNB) configured to reach cell phone 4085550150. The user in RTP sees the message "Not Enough Bandwidth" on their phone and hears a fast busy tone. Which two conditions can correct this issue? (Choose two.) 

A. The calling phone (RTP) needs to have AAR Group value of AAR under the AAR Settings. 

B. The called phone (San Jose) needs to have AAR Group value of AAR under the AAR Settings. 

C. The calling phone (RTP) needs to have the AAR destination mask of 914085550150 configured under the AAR Settings. 

D. The calling phone (RTP) needs to have the AAR destination mask of 4085550150 configured under the AAR Settings. 

E. The called phone (San Jose) needs to have the AAR destination mask of 914085550150 configured under the AAR Settings. 

F. The called phone (San Jose) needs to have the AAR destination mask of 4085550150 configured under the AAR Settings. 

Answer: B,F 

Explanation: 

Incorrect Answer: A, C, D, E Automated alternate routing (AAR) provides a mechanism to reroute calls through the PSTN or other network by using an alternate number when Cisco Unified Communications Manager blocks a call due to insufficient location bandwidth. With automated alternate routing, the caller does not need to hang up and redial the called party. Link: http://www.cisco.com/en/US/docs/voice_ip_comm/cucmbe/admin/8_6_1/ccmcfg/b03aar.ht ml 


Q74. Which two options should be selected in the SIP trunk security profile that affect the SIP trunk pointing to the VCS? (Choose two.) 

A. Accept Unsolicited Notification 

B. Enable Application Level Authorization 

C. Accept Out-of-Dialog REFER 

D. Accept Replaces Header 

E. Accept Presence Subscription 

Answer: A,D 


Q75. Which statement is true when considering a Cisco VoIP environment for regional configuration? 

A. G.711 requires 128K of bandwidth per call. 

B. G.729 requires 24K of bandwidth per call. 

C. The default codec does not matter if you have defined a hardware MTP in your Cisco Unified Communications Manager environment. 

D. To deploy a Cisco H.323 gatekeeper, you must configure MTP resources on the gatekeeper and only use G.711 between regions. 

Answer:


Q76. Which three of the following are steps in configuring MGCP Fallback and Cisco Unified SRST? (Choose three) 

A. Define the SRST reference for phones in the Device Pool configuration 

B. Enable and configure the MGCP fallback and Cisco Unified SRST features on the IOS gateways. 

C. Implement a simplified SRST dial plan on the remote-site-gateways to ensure connectivity for remote-site phones in SRST mode. 

D. Enable SIP trunking between both remote and hub sites to provide mesh coverage. 

E. Define the SRST reference in the configuration on the IP Phones. 

F. Enable and configure the MGCP fallback on the IOS gateway but not Cisco Unified SRST since it is enabled automatically. 

Answer: A,B,C 


Q77. Which three configuration settings are included in a default region configuration? (Choose three.) 

A. Audio Codec 

B. Video Call Bandwidth 

C. Link Loss Type 

D. Location Description 

E. Immersive Bandwidth 

F. Real Time Protocol 

Answer: A,B,C 


Q78. What is the standard Layer 3 DSCP media packet value that should be set for Cisco TelePresence endpoints? 

A. CS3 (24) 

B. EF (46) 

C. AF41 (34) 

D. CS4 (32) 

Answer:


Q79. The network administrator of Enterprise X receives reports that at peak hours, some calls between remote offices are not passing through. Investigation shows no connectivity problems. The network administrator wants to estimate the volume of calls being affected by this issue. Which two RTMT counters can give more information on this? (Choose two.) 

A. CallsRingNoAnswer 

B. OutOfResources 

C. LocationOutOfResources 

D. RequestsThrottled 

E. CallsAttempted 

Answer: B,C 


Q80. For which VoIP protocol does a gatekeeper provide address translation and control access? 

A. H.323 

B. SIP 

C. Skinny 

D. H.248 

Answer: