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400-051 Exam Questions - Online Test


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Q1. In Cisco IOS routers, which chipset is the PVDM2-32 DSP hardware based on? 

A. C5441 

B. C549 

C. C5510 

D. C5421 

E. Broadcom 1500 

Answer:

Q2. How many destinations can be configured for a SIP trunk on a Cisco Unified Communications Manager 9.1 system when the destination address is an SRV? 

A. 1 

B. 2 

C. 3 

D. 8 

E. 16 

Answer:

Q3. Refer to the exhibit. 

IP phone 1 has MAC address of 1111.1111.1111, and IP phone 2 has MAC address of 2222.2222.2222. The first two incoming calls rang both phones and were answered by IP phone 2. 

Which option describes what will happen to the third incoming call? 

A. Both phones ring, but only IP phone 1 can answer the call. 

B. Both phones ring and either phone can answer the call. 

C. Only IP phone 1 rings and can answer the call. 

D. Neither phone rings and the call is forwarded to 2100. 

E. Neither phone rings and the call is forwarded to 2200. 

Answer:

Q4. Which two categories are state-based greetings on Cisco Unity Express? (Choose two.) 

A. Meeting 

B. Vacation 

C. Internal 

D. Closed 

E. Alternate 

F. Extended Absence 

Answer: CD 

Q5. In which call state does the Mobility soft key act as a toggle key to enable or disable Single Number Reach for Cisco Unified Communications Manager Express SCCP IP phones? 

A. idle 

B. seized 

C. alerting 

D. ringing 

E. connected 

Answer:

Q6. Refer to the exhibit. 

How many SIP signaling transaction(s) took place in this SIP message exchange between two SIP user agents? 

A. 1 

B. 2 

C. 3 

D. 4 

E. 5 

F. 6 

Answer:

Q7. Refer to the exhibit. 

Assuming this NFAS-enabled T1 PRI configuration on a Cisco IOS router is fully functional, what will the controller T1 1/1 D-channel status be in the output of the show isdn status command? 

A. MULTIPLE_FRAME_ESTABLISHED 

B. TEI_ASSIGNED 

C. AWAITING_ESTABLISHMENT 

D. STANDBY 

E. INITIALIZED 

Answer:

Q8. Which protocol does the Cisco Jabber client use, in conjunction with Cisco IM and Presence, to deliver enterprise-class instant messaging services? 

A. SIP 

B. CTI/QBE 

C. XMPP 

D. IRC 

E. ICQ 

Answer:

Q9. Which two SCCP call signaling messages are initiated by Cisco Unified Communications Manager to an IP phone? (Choose two.) 

A. SoftKeyEvent 

B. CloseReceiveChannelAck 

C. CallState 

D. KeypadButton 

E. OpenReceiveChannel 

F. Offhook 

Answer: CE 

Q10. Which statement about the iSAC on Cisco Unified Border Element is true? 

A. It is a narrow-band codec. 

B. It has a fixed frame of 30 milliseconds. 

C. It has an adaptive frame of up to 60 milliseconds. 

D. It is designed to deliver wideband sound quality in high-bit-rate applications only. 

E. It is not yet supported on the Cisco Unified Border Element (CUBE) 

F. It is not yet supported on Cisco Unified Border Element. 

Answer: