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Following questions and answers are all new published by Cisco Official Exam Center: http://www.lead2pass.com/400-051.html
QUESTION 470
A collaboration engineer is troubleshooting an MOH problem on a Cisco IOS SIP gateway in searching through a debug CCSIP massage output.
Which three parameters in the SIP massages can be used to determine if the call was placed on hold? (Choose three)
A. OPTIONS WITH 301 CALLHOLD
B. INVITE WITH a=INACTIVE
C. INVITE WITH a=SENDONLY
D. OPTION WITH c=INACTIVE
E. c=IN IP4 0.0.0.0
F. BYE WITH A = CALLHOLD
Answer: BCE
QUESTION 471
Refer to the exhibit. Which Cisco IOS multipoint video conferencing profile is being configured? 
A. guaranteed-video
B. guaranteed-audio
C. rendezvous
D. heterogeneous
E. guaranteed-video
Answer: D
QUESTION 472
Refer to the exhibit. Which two SIP packet handling behavior will result with this CISCO Unified Border Element (CUBE) configuration? (Choose two) 
A. Unsupported content/MIME pass-through
B. SIP Refer is not supported when received on this CUBE
C. Privacy headers received on SIP massage will be replaced with NON-privacy headers on this CUBE
D. P-Preferred identities
E. Mid-call codec changes
Answer: AE
QUESTION 473
Multiple users report that when they try to login to Cisco Unified Communications Extension Mobility Manager this error is retrieved?
“Error:-[26] ?Busy, please try again”
Which description of the cause is true?
A. The intracluster Multiple Login Behaviour is set to Multiple Logins Not Allowed.
B. the Validate IP Address parameter is set to false, so the IP is not found in the trust list.
C. The number of concurrent log in and logout requests is higher than the Maximum Concurrent Requests service parameter.
D. the Extension Mobility Cache size has been lowered to 1000 and no more logins are allowed beyond this number.
Answer: C
QUESTION 474
Assume 18 bytes for the Layer 2 header and a 10- millisecond voice payload, how much bandwidth should be allocated to strict priority queue for three VoIP calls that use a G 722 codec over an Ethernet network?
A. 331.2 kb/s
B. 261.6 kb/s
C. 238.4 kb/s
D. 347.8 kb/s
E. 274.7 kb/s
Answer: A
QUESTION 475
What does a period accomplish when it is used in a SIP Dial Rule pattern that is associated with a Cisco 9971 IP Phone that is registered to Cisco Unified Communications Manager?
A. It manages any single digit from 0 to 9.
B. It manages any single digit from 0 to 9 or the asterisk (*) or pound (#) symbols.
C. It is a delimiter and has no significant dialling impact
D. It manages one or more digits from 0 to 9 or the asterisk (*) or pound (#) symbols.
E. It manages one or more digits from 0 to 9.
Answer: B
QUESTION 476
What does a weight represent in the enhanced location Call Admission Control mechanism on Cisco Unified Communications Manager?
A. It defines bandwidth that is available on a link.
B. It defines bandwidth that is available between locations.
C. It is the amount bandwidth allocation for different types of traffic.
D. It is used to provide relative priority of a location.
E. It is used to provide relative priority of a link between locations.
Answer: E
QUESTION 477
Which three issues prevent a customer’s existing Jabber client from seeing the present status of a newly provisioned and registered Jabber client in its contact list? (Choose three.)
A. Owner user ID is not set on the newly provisioned client.
B. Incoming calling search space on SIP trunk to IM & P.
C. Primary DN is not set in end user configuration of the newly provisioned client
D. Subscriber calling search space is not defined on newly provisioned client.
E. PC cannot resolve the FQDN of IM & P.
F. IM & P incoming ACL blocking inbound status.
G. Subscriber calling search space on SIP trunk to IM & P.
Answer: EFG
QUESTION 478
Which two options are examples of data at rest? (Choose two.)
A. An email received from a colleague.
B. An email accessed via a web browser.
C. An email saved on a USB drive.
D. An email archived locally on a laptop hard drive.
E. An email sent to a colleague.
Answer: CD
QUESTION 479
Which definition is included in a Cisco UC on UCS TRC?
A. Required RAID configuration, when the TRC uses external storage.
B. Configuration settings and patch recommendations for VMware software.
C. Configuration of virtual – to – physical network interface mapping.
D. Design and installation of blade server chassis and switching.
E. Server model and local components (CPU, RAM, Adapters, Local Storage) at the orderable part number level.
Answer: E
QUESTION 480
Which three basic elements does the architecture for voice and video over WLAN include? (Choose three.)
A. Wireless LAN controllers.
B. Wireless access points.
C. Wireless bridge
D. Wireless VLAN
E. Wired call elements
F. DHCP server
Answer: ABE
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400-051 new questions on Google Drive: https://drive.google.com/open?id=0B3Syig5i8gpDZE5ON1pybjZUM2M
2016 Cisco 400-051 exam dumps (All 532 Q&As) from Lead2pass:
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