Top 10 secret 400-051 for candidates (21 to 30)

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Q21. According to ITU-T E.164 recommendations, which two fields in the National Significant Number code may be further subdivided? (Choose two.) 

A. Country Code 

B. National Destination Code 

C. Subscriber Number 

D. Regional Significant Number 

E. Local User Code 

F. National Numbering Plan 

Answer: BC 

Q22. Which Cisco IM and Presence service is responsible for logging all IM traffic that passes through the IM and Presence server to an external database for IM compliance? 

A. Cisco Presence Engine 

B. Cisco Serviceability Reporter 

C. Cisco Sync Agent 

D. Cisco XCP Connection Manager 

E. Cisco XCP Message Archiver 

Answer:

Q23. Which two responses are examples of client error responses in SIP protocol? (Choose two.) 

A. 302 Moved Temporarily 

B. 404 Not Found 

C. 503 Service Unavailable 

D. 502 Bad Gateway 

E. 604 Does Not Exist Anywhere 

F. 408 Request Timeout 

Answer: BF 

Q24. In Key Press Markup Language, which SIP request is used to deliver the actual DTMF digits? 

A. SUBSCRIBE 

B. INFO 

C. NOTIFY 

D. INVITE 

E. ACK 

Answer:

Q25. Which ITU-T recommendation defines the procedures for using more than one video channel in H.320-based systems? 

A. H.324 

B. H.230 

C. H.239 

D. H.264 

E. H.329 

Answer:

Q26. Which statement about high availability for XMPP federation in Cisco IM and Presence is true? 

A. A maximum of two Cisco IM and Presence nodes can be enabled for XMPP federation. 

B. Cisco IM and Presence load balances outbound requests across all nodes that are enabled for XMPP federation. 

C. Cisco IM and Presence load balances outbound requests across both nodes that are enabled for XMPP federation in a subcluster. 

D. The XMPP federation-enabled nodes should have different priorities and weights on the published DNS SRV for proper inbound request node selection. 

E. A single DNS SRV record that resolves to an XMPP federation-enabled node must be published on a public DNS server for inbound request routing. 

Answer:

Q27. Which call processing feature overrides the Do Not Disturb settings on a Cisco IP phone? 

A. park reversion for remotely parked calls by a shared line 

B. hold reversion 

C. remotely placed pickup request by a shared line 

D. pickup notification 

E. terminating side of a call back 

Answer:

Q28. Refer to the exhibit. 

Which option describes the method used by Cisco IOS gateways to tunnel QSIG signaling messages in H.323 protocol? 

A. H.323 Annex M1 

B. H.323 Annex M2 

C. H.323 Annex A 

D. ISDN Generic Transparency Descriptor 

E. H.450.1 

Answer:

Q29. Which statement about system broadcast messages in Cisco Unity Connection is true? 

A. The user can skip a system broadcast message to listen to new messages first. 

B. The user can forward a system broadcast message only if it has been played in its entirety. 

C. System broadcast messages are synchronized between Cisco Unity Connection and Exchange when Single Inbox is configured. 

D. System broadcast messages do not trigger MWI. 

E. System broadcast messages are played immediately after users sign in and listen to message counts for new and saved messages. 

Answer:

Q30. 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 

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