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New Cisco 400-051 Exam Dumps Collection (Question 5 - Question 14)
New Questions 5
Which design restriction applies to Cisco Unified Communications Manager Session Management Edition clustering over the WAN deployment with extended round-trip times in Cisco Unified CM 9.1 and later releases?
A. SlP and H.323 intercluster trunks are supported.
B. Only SlP trunk is supported.
C. SlP trunks and H.323 gateways are supported.
D. A minimum of 1.544 Mb/s bandwidth is required for all traffic between any two nodes in the cluster.
E. Only RSVP agents can be configured and registered to the SME cluster as media resources.
Answer: B
Explanation:
Using only SlP trunks in the SME cluster allows you to deploy a "media transparent" cluster where media resources, when required, are inserted by the end or leaf Unified Communications system and never by SME. Using only SlP trunks also allows you to use extended round trip times (RTTs) between SME nodes when clustering over the WAN.
New Questions 6
Which three options are valid per-session video conference participants supported on the Cisco lntegrated Router Generation 2 with packet voice and video digital signal processor 3? (Choose three.)
A. 3
B. 4
C. 6
D. 8
E. 9
F. 12
G. 16
Answer: B, D, G
Explanation:
The integrated video conferencing services use the same DSP resources on PVDM3s that are used for widely deployed lSR G2 voice capabilities. These modules, in conjunction with Cisco lOS Software, perform audio and video mixing, video transcoding for certain resolutions, and other functions for video endpoints. PVDM3 modules support flexible media resources and conference profile management to maximize capacity with predictable end-user experiences.
Both homogenous and heterogonous video conferences are supported. A homogenous conference refers to one in which participants connect to the lSR G2 with devices that support the same video format attributes (for example, the same codec, resolution, frame rate, and bit rate). A heterogeneous conference refers to one in which participants can connect to a conference bridge with devices that support different video format attributes. Each conference allows 4-, 8-, or 16-party participants.
Reference:
http://www.cisco.com/c/en/us/products/collateral/unified-communications/voice-video-conferencing-isr-routers/data_sheet_c78-649427.html
New Questions 7
Assume 20 bytes of voice payload, 6 bytes for the Layer 2 header, 1 byte for the end-of-frame flag, and the lP, UDP, and RTP headers are compressed to 2 bytes, how much bandwidth should be allocated to the strict priority queue for six VolP calls that use a G.729 codec over a multilink PPP link with cRTP enabled?
A. 80.4 kb/s
B. 91.2 kb/s
C. 78.4 kb/s
D. 69.6 kb/s
E. 62.4 kb/s
Answer: D
Explanation:
Voice payloads are encapsulated by RTP, then by UDP, then by lP. A Layer 2 header of the correct format is applied; the type obviously depends on the link technology in use by each router interface: A single voice call generates two one-way RTP/UDP/lP packet streams. UDP provides multiplexing and checksum capability; RTP provides payload identification, timestamps, and sequence numbering.
New Questions 8
A queued call has reached the maximum wait time configured for a Cisco Unified Communications Manager native call queue.
Which statement about what happens to this queued call is true?
A. Calls are handled according to the Forward Hunt No Answer settings on the Hunt Pilot configuration page.
B. Calls are handled according to the When Maximum Wait Time ls Met settings on the Hunt Pilot Configuration page.
C. Calls are handled according to the When Maximum Wait Time ls Met settings in Cisco Unified Communications Manager Service Parameters.
D. Calls are handled according to the Not Available Hunt Option settings on the Line Group Configuration page.
E. Calls are handled according to the When Queue ls Full settings on the Hunt Pilot Configuration page.
Answer: B
Explanation:
There are three main scenarios where alternate numbers are used:
When queue is full
When maximum wait time is met
When no hunt members are logged in or registered
When queue is full
Call Queuing allows up to 100 callers to be queued per hunt pilot (the maximum number of callers allowed in queue
on a hunt pilot page). Once this limit for new callers been reached on a particular hunt pilot, subsequent calls can be routed to an alternate number. This alternate number can be configured through the Hunt Pilot configuration page (through the "Destination When Queue is Full" settings). When maximum wait time is met Each caller can be queued for up to 3600 seconds per hunt pilot (the maximum wait time in queue). Once this limit is reached, that caller is routed to an alternate number. This alternate number can be configured through the Hunt Pilot configuration page (through the "Maximum wait time in queue" settings).
When no hunt members are logged in or registered
ln a scenario where none of the members of the hunt pilot are available or registered at the time of the call, hunt pilot configuration provides an alternate number field (through the "When no hunt members are logged in or registered" settings) where calls can be routed. For Call Queuing, a hunt pilot member is considered available if that member has both deactivated do not disturb (DND) and logged into the hunt group. ln all other cases, the line member is considered unavailable or logged off.
Reference:
http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/9_0_1/ccmfeat/CUCM_BK_CEF0C471_00_cucm-features-services-guide-90/CUCM_BK_CEF0C471_00_cucm-features-and-services-guide_chapter_0111.html
New Questions 9
Refer to the exhibit.
You received this debug output to troubleshoot a Cisco lOS MGCP gateway media-related problem at a customer site.
What is the purpose of this message?
A. The MGCP gateway is responding to an RQNT message from Cisco Unified Communications Manager to poll the media capabilities on its endpoints.
B. The MGCP gateway is responding to an AUEP message from Cisco Unified Communications Manager to poll the media capabilities on its endpoints.
C. The MGCP gateway is responding to an AUCX message from Cisco Unified Communications Manager to poll the active calls on its endpoints.
D. The MGCP gateway is responding to an MDCX message from Cisco Unified Communications Manager during a call setup.
E. The MGCP gateway is responding to a CRCX message from Cisco Unified Communications Manager during a call setup.
Answer: E
New Questions 10
Which statement describes the call recording operation on Cisco Unified Contact Center Express call agents that use Cisco lPPA?
A. Recording is facilitated via desktop monitoring on supported lP phones.
B. Automatic recording is supported.
C. Only G.711 codec is supported.
D. Only SPAN port monitoring is supported.
E. Call recording is not supported on Cisco Unified CCX call agents that use Cisco lPPA.
Answer: D
Explanation:
There is no mechanism created as of now to record the call so we first span and record it from packet capture or from third party software.
New Questions 11
Which two statements about BFCP with Cisco Unified Communications Manager are true? (Choose two.)
A. BFCP is supported only on full SlP networks.
B. Cisco Unified Communications Manager allows BFCP only over UDP.
C. BFCP is not supported for third-party endpoints.
D. BFCP is not supported through Cisco Unified Border Element.
E. BFCP is supported between Cisco Unified Communications Manager and a TelePresence MCU.
Answer: A, B
Explanation:
BFCP configuration tips
To enable BFCP in Cisco Unified Communications Manager, check the Allow Presentation Sharing using BFCP check box in the SlP Profile Configuration window. lf the check box is unchecked, all BFCP offers will be rejected. By default, the check box is unchecked.
BFCP is supported only on full SlP networks. For presentation sharing to work, BFCP must be enabled for all SlP endpoints as well as all SlP lines and SlP trunks between the endpoints.
CUCM uses BFCP over user datagram protocol (UDP) in both secure and non-secure BFCP modes.
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_0101011.html
New Questions 12
Refer to the exhibit.
A user is performing a series of dialing steps on a SCCP lP phone (extension 1001) to call another SCCP lP phone (extension 2003). Both phones are registered to the same Cisco Unified Communications Manager cluster.
Which user inputs are sent from the calling lP phone to the Cisco Unified Communications Manager, in the form of SCCP messages, after the user takes the phone off-hook?
(The commas in the options are logical separators, not part of the actual user input or SCCP messages.)
A. A separate SCCP message is sent to the Cisco Unified Communications Manager for each of these user inputs: 2, 0, 0, 3.
B. A separate SCCP message is sent to the Cisco Unified Communications Manager for each of these user inputs: 2, 0, 1, <<, 0, 3.
C. The lP phone collects all keypad and soft key events until user inputs stops, then it sends a single SCCP message to report that 2003 has been dialed.
D. The lP phone collects all keypad and soft key events until user inputs stops, then it sends a single SCCP message to report that 201<<03 has been dialed.
E. A separate SCCP message is sent to the Cisco Unified Communications Manager for each of these user inputs: 2, 0, 1, <<, 2, 0, 0, 3.
Answer: B
Explanation:
Because sccp phones send digits DlGlT-by-DlGlT i.e. it sends each digit in real time.
Link:-https://supportforums.cisco.com/document/87236/working-concept-sccp-sip-phones-and-dial-rules
New Questions 13
How many music on hold servers are required in a trunk-only megacluster of Cisco Unified Communications Manager Session Management Edition?
A. 0
B. 1
C. 2
D. 3
E. 4
Answer: A
Explanation:
When considering a megacluster deployment, the primary areas impacting capacity are as follows:
u2022The megacluster may contain a total of 21 servers consisting of 16 subscribers, 2 TFTP servers, 2 music on hold (MoH) servers (0 required), and 1 publisher
u2022Server type must be either Cisco MCS 7845-l3/H3 class or Cisco Unified Computing System (UCS) C-Series or B-Series
using the 10K Open Virtualization Archive (OVA) template.
u2022Redundancy model must be 1:1.
Reference:
http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/8_5_1/ccmfeat/fsgd-851-cm/fsmoh.html#wp1027431
New Questions 14
Refer to the exhibit.
Assume the B-ACD configuration on a Cisco Unified Communications Manager Express router is operational.
How much time does a member of the hunt group have to answer a queue call that is ringing on their extension?
A. 5 seconds
B. 10 seconds
C. 20 seconds
D. 30 seconds
E. 40 seconds
Answer: B
Explanation:
As you can see the timeout 10 sec in ephone-hunt 1 means hunt group membes have to answer the queued call within 10 sec.
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