The Most recent Guide To 400-051 examcollection

Q1. 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. 

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Q2. Refer to the exhibit. 

How many simultaneous outbound calls are possible with this Cisco Unified Communications Manager Express configuration on these two phones? 

A. 6 

B. 7 

C. 8 

D. 9 

E. 11 

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Q3. Which statement about the effective path in the Enhanced Location Call Admission Control mechanism on Cisco Unified Communications Manager is true? 

A. It is a sequence of links and intermediate locations that connect a pair of locations. 

B. It is used to define the bandwidth that is available between locations. 

C. Only one effective path is used between two locations. 

D. There could be multiple effective paths between a pair of locations. 

E. It logically represents the WAN link. 

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Q4. What is the minimum number of H.225 messages required to establish an H.323 call with bidirectional media? 

A. 1 

B. 2 

C. 3 

D. 4 

E. 5 

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Q5. Refer to the exhibit. 

How many calls, inbound and outbound combined, are supported on the IP phone? 

A. 1 

B. 2 

C. 8 

D. 12 

E. 50 

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Q6. You are assisting a customer to troubleshoot a SIP early-offer problem with a SIP service provider. You have enabled Cisco CallManager trace and set the debug trace level to Detailed for SIP Call Processing trace on their standalone Cisco Unified Communications Manager 9.1 system. Using the RTMT tool, your customer has remote browsed to the Cisco UCM and asked you which trace file to download. 

What is the trace file name syntax in which detailed SIP messages are logged? 

A. SDL 

B. SDI 

C. CCM 

D. Call logs 

E. Traces 

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Q7. Refer to the exhibit. 

You received this debug output to troubleshoot a Cisco IOS MGCP gateway problem at a customer site. Which statement about this endpoint on the Cisco MGCP gateway is true? 

A. This endpoint is on a T1 Controller 0/1/0. 

B. This endpoint is on an E1 Controller 0/1/0. 

C. This endpoint is on a T1 Controller 0/1/1. 

D. This endpoint is on an E1 Controller 0/1/2. 

E. This endpoint is on an T1 Controller 0/1/2. 

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Q8. You have implemented 5-digit forced authorization codes to all international route patterns on Cisco Unified Communications Manager. Your users report that after entering the FAC codes, they must wait for more than 10 seconds before the call is routed. 

Which procedure eliminates the wait time? 

A. Check and eliminate any existing route patterns that overlap with the international route pattern. 

B. Go to the Cisco Unified Communications Manager Service Parameters and reduce the T-304 number to 5000 milliseconds. 

C. Request your long distance telephone service provider to reduce the call setup time to 5 seconds. 

D. Configure a # (hash) sign to the end of the forced authorization codes to signal the end of dialing. 

E. Educate the users to press # (hash) after entering the forced authorization codes. 

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Q9. Which message is used by a Cisco IOS MGCP gateway to send periodic keepalives to its call agent? 

A. CRCX 

B. AUCX 

C. NTFY 

D. RQNT 

E. 200 OK 

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Q10. Refer to the exhibit. 

Which ds0-group option should you select to support automated number identification information collection on inbound calls for this digital T1 voice circuit? 

A. e&m-wink-start 

B. e&m-delay-dial 

C. e&m-delay-dial 

D. e&m-lmr 

E. e&m-fgd 

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