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2021 Apr 400-051 actual test

Q41. 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? 

A. error 

B. closed 

C. internal 

D. busy 

E. alternate 

Answer: A 


Q42. Which Call Admission Control mechanism is supported for the Cisco Extension Mobility Cross Cluster solution? 

A. Location CAC 

B. RSVP CAC 

C. H.323 gatekeeper 

D. intercluster Enhanced Location CAC 

E. visiting cluster's LBM hub 

Answer: B 


Q43. Which system location is used for intercluster Enhanced Location CAC on Cisco Unified Communications Manager? 

A. Hub_None 

B. Default 

C. Intercluster 

D. Phantom 

E. Shadow 

Answer: E 


Q44. Which entity signs a Cisco IP phone LSC? 

A. Godaddy.com Enrollment Server 

B. Manufacturer Certificate Authority 

C. Registration Authority 

D. Certificate Authority Proxy Function 

E. Cisco Certificate Authority 

Answer: D 


Q45. A Cisco Unity Connection administrator receives a name change request from a voice-mail user, whose Cisco Unity Connection user account was imported from Cisco Unified Communications Manager. What should the administrator do to execute this change? 

A. Change the user data in the Cisco Unity Connection administration page, then use the Synch User page in Cisco Unity Connection administration to push the change to Cisco Unified Communications Manager. 

B. Change the user data in the Cisco Unified Communications Manager administration page, then use the Synch User page in Cisco Unity Connection administration to pull the changes from Cisco Unified CM. 

C. Change the user data in the Cisco Unified Communications Manager administration page, then use the Synch User page in Cisco Unified CM administration to push the change to Cisco Unity Connection. 

D. Change the user profile from Imported to Local on Cisco Unity Connection Administration, then edit the data locally on Cisco Unity Connection. 

E. Change the user data in Cisco Unity Connection and Cisco Unified Communications Manager separately. 

Answer: B 


Up to date 400-051 download:

Q46. Refer to the exhibit. 

Assume the B-ACD configuration on a Cisco IOS Cisco Unified Communications Manager Express router is operational. What will happen to a new call that enters the call queue when there are already two calls in queue? 

A. The call will be forwarded to extension 2120. 

B. The call will be forwarded to extension 2220. 

C. The call will be forwarded to extension 2003. 

D. The call will be disconnected with user busy. 

E. The call will be forwarded to 2100. 

Answer: C 


Q47.  How are queues serviced in Cisco IOS routers with the CBWFQ algorithm? 

A. first-in, first-out 

B. weighted round robin based on assigned bandwidth 

C. strict priority based on assigned priority 

D. last-in, first-out 

E. weighted round robin based on assigned priority 

Answer: B 


Q48. Refer to the exhibit. 

A user is going through a series of dialing steps on a SIP Type B IP phone to call a SCCP IP phone. Both phones are registered to the same Cisco Unified Communications Manager cluster. Assume that the calling SIP phone is associated with a SIP dial rule with a pattern value of "2001". 

Which statement about how digits are forwarded to the Cisco Unified Communications Manager for further call processing is true? 

A. As each digit is pressed on the SIP IP phone, it is sent to the Cisco Unified Communications Manager in a SIP NOTIFY message as a KPML event. 

B. The SIP IP phone waits for the inter-digit timer expiry and then sends each digit to the Cisco Unified Communications Manager as a separate KPML event in a SIP NOTIFY message. 

C. As soon as the user selects the Dial soft key, the SIP IP phone forwards all digits to the Cisco Unified Communications Manager in a SIP INVITE message. 

D. As soon as the Dial soft key is selected, the SIP IP phone forwards the first digit in a SIP INVITE and the subsequent digits in SIP INFORMATION messages. 

E. The SIP IP phone waits for the inter-digit timer expiry, and then sends all digits to the Cisco Unified Communications Manager in a SIP INVITE message. 

Answer: C 


Q49. How many music on hold servers are required in a trunk-only megacluster of Cisco Unified Communications Manager Session Management Edition? 

A. 0 

B. 1 

C. 2 

D. 3 

E. 4 

Answer: A 


Q50. Which two compression formats for high-definition video have technical content that is identical to H.264? (Choose two.) 

A. MPEG-4 Part 10 

B. MPEG-4 Part 14 

C. MPEG-2 Part 7 

D. AVC 

E. VC3 

F. VP8 

Answer: AD