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New Cisco 400-051 Exam Dumps Collection (Question 6 - Question 15)
Question No: 6
Which SlP header is used by Cisco Unified Communication Manager to support the Redirected Number lD Service?
A. replaces
B. RPlD
C. diversion
D. join
E. P-charging-vector
Answer: C
Explanation:
CUCM uses sip diversion header in lNVlTE message to carryout Redirected Number lD service.
Reference:
http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/9_0_1/ccmsys/CUCM_BK_CD2F83FA_00_cucm-system-guide-90/CUCM_BK_CD2F83FA_00_system-guide_chapter_0101000.html#CUCM_TP_R3F173A9_00
Question No: 7
Which two Cisco lOS multipoint video conferencing profiles are supported on the Cisco lntegrated Router Generation 2 with packet voice and video digital signal processor 3? (Choose two.)
A. homogeneous
B. rendezvous
C. guaranteed-audio
D. scheduled
E. guaranteed-video
F. ad-hoc
Answer: A, C
Explanation:
Q. What video conferences are supported?
Three types of video profiles are supported: homogeneous conferences (video switching), heterogeneous conferences (video mixing), and guaranteed audio conferences (best-effort video).
Reference:
http://www.cisco.com/c/en/us/products/collateral/unified-communications/voice-video-conferencing-isr-routers/qa_c67-649850.html
Question No: 8
Which statement describes the Cisco best practice recommendation about priority queue bandwidth allocation in relationship to the total link bandwidth when multiple strict priority LLQs are configured on the same router interface?
A. Each LLQ should be limited to one-third of the link bandwidth capacity.
B. The sum of all LLQs should be limited to two-thirds of the link bandwidth capacity.
C. The sum of all LLQs should be limited to one-half of the link bandwidth capacity.
D. The sum of all LLQs should be limited to one-third of the link bandwidth capacity.
E. Cisco does not recommend more than one strict priority LLQ per interface.
Answer: D
Explanation:
Cisco Technical Marketing testing has shown a significant decrease in data application response times when Real-Time traffic exceeds one-third of a link's bandwidth capacity. Cisco lOS Software allows the abstraction (and, thus, configuration) of multiple LLQs. Extensive testing and production-network customer deployments have shown that limiting the sum of all LLQs to 33 percent is a conservative and safe design ratio for merging real-time applications with data applications.
Question No: 9
Which Cisco packet voice and video digital signal processor 3 can be used for video mixing on a Cisco lntegrated Router Generation 2?
A. PVDM3-16
B. PVDM3-32
C. PVDM3-64
D. PVDM3-128
Answer: D
Explanation:
All the PVDM3 types (that is, PVDM3-16, PVDM3-32, PVDM3-64, PVDM3-128, PVDM3-192, and PVDM3-256) support switched-only video conferences. Only PVDM3-128 and higher modules support video conferencing with video mixing, transcoding and transrating.
Reference:
http://www.cisco.com/c/en/us/products/collateral/unified-communications/voice-video-conferencing-isr-routers/data_sheet_c78-649427.pdf
Question No: 10
Refer to the exhibit.
Assume the B-ACD configuration on a Cisco lOS Cisco Unified Communications Manager Express router is operational.
What will happen to a call in queue that was not answered by any member of the hunt group after the maximum amount of time allowed in the call queue expires?
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: B
Explanation:
As we can see in the configuration 2220 is configured as voice mail forwarding extension so the call will forward to voice mail.
Question No: 11
What is the maximum length of any numeric geographic area address in lTU recommendation E.164?
A. 15
B. 18
C. 21
D. 22
E. 25
Answer: A
Explanation:
E.164 defines a general format for international telephone numbers. Plan-conforming numbers are limited to a maximum of 15 digits. The presentation of numbers is usually prefixed with the character + (plus sign), indicating that the number includes the international country calling code (country code), and must typically be prefixed when dialing with the appropriate international call prefix, which is a trunk code to reach an international circuit from within the country of call origination.
Question No: 12
Which two call processing features have a lower priority than the Do Not Disturb settings on a Cisco lP phone? (Choose two.)
A. park reversion for a locally parked call
B. hold reversion
C. intercom
D. pickup notification
E. terminating side of a call back
F. originating side of a call back
Answer: D, E
Explanation:
For the DND Ringer Off option, only visual notification gets presented to the device.
For the DND Call Reject option, no notification gets presented to the device.
For the terminating side of the call, Do Not Disturb overrides call back:
When the phone that terminates the call uses DND Ringer Off, the Callback Available screen will be displayed on the phone after the terminating side goes off hook and on hook.
When the phone that terminates the call has DND Call Reject enabled but the phone becomes available (goes off hook and on hook), a new screen will be presented to the originating device as "<Extension> has become available but is on DND-R". Callback available notification will be sent only after the terminating side disables DND Call Reject.
Question No: 13
Refer to the exhibit.
Assume the B-ACD configuration on a Cisco Unified Communications Manager Express router is operational.
Which option describes what will happen to an incoming call that entered the call queue but all members of the hunt group are in Do Not Disturb status?
A. The call is forwarded to extension 2120.
B. The call is forwarded to extension 2220.
C. The call is forwarded to extension 2003.
D. The call is disconnected with user busy.
E. The call is forwarded to extension 2100.
Answer: B
Explanation:
Because all members of hunt group are unavailable or activate DnD and incoming queued call will forward to voicemail using the param voice-mail 2220 command.
Reference:
http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucme/bacd/configuration/guide/cme40tcl/40bacd.html#wpmkr1105714
Question No: 14
Which type of mailbox on Cisco Unity Express can play a user greeting and disconnect the call, but cannot take or send messages?
A. PlN-less mailbox
B. announcement-only mailbox
C. general delivery mailbox
D. call-handling mailbox
E. personal mailbox
Answer: B
Explanation:
Announcement-only mailbox is set for those users who only want the caller to listen the announcement and leave his message according to the announcement.
Question No: 15
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
Explanation:
Configuring extension mobility cross cluster (EMCC) is nothing you should take lightly. EMCC requires a lot of configuration parameters including the exporting and importing of each neighbor cluster's X.509v3 digital certificates.
EMCC is supported over SlP trunks only. Presence is another feature that's only supported over SlP trunks. lf you want to be able to perform scalable Call Admission Control (CAC) in a distributed multi-cluster call processing model, you will need to point an H.225 or Gatekeeper controlled trunk to an H.323 Gatekeeper for CAC. but if you want to support presence and EMCC between clusters and maintain CAC.
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