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New Cisco 400-051 Exam Dumps Collection (Question 15 - Question 24)
Question No: 15
Refer to the exhibit.
A collaboration engineer is troubleshooting a cluster that has been configured to use RSVP. The calls are being rejected and the caller receives a busy tone. What is the root cause of this problem?
A. The RSVP Agents are only using an lpv6 address.
B. lP Addressing mode preference for signaling is set to use System Default.
C. RSVP relationship between Main and Remote is set to Mandatory
D. lP Addressing Mode is set to use lpv4 and lpv6
Answer: A
Question No: 16
Refer to the exhibit.
Answer:
Question No: 17
A Cisco Unified Cm user is set up with one remote destination profile that has two remote destination numbers: the first destination number is the user's mobile phone in country A and the second is a mobile phone located in country . All outbound calls are centralized from the gateway at country A. The user reports that inbound calls are properly routed to the mobile phone as long as the user is in country A. But inbound calls are not successfully routed to country B. Which two options could be the cause of this? (Choose two)
A. The enable mobile connect option must be selected under the user's second remote destination number.
B. The value of remote destination limits should be chaned to 2 instead of the default value of 4 under the end user page.
C. The enable mobile voice access option must be selected under the end user page.
D. The value of maximum wait time for desk pickup should be changed to 20000 instead of the default of D. 10000, under the end user page.
E. The rerouting calling search space assigned to the user's remote destination profile must have access to international calls.
Answer: A,E
Question No: 18
Refer to the exhibit.
An engineer is configuring dynamic Call routing and DN learning between two Cisco Unified CM and Two Cisco Unified CME systems. Which two configuration steps are required for all this feature to work? (Choose two)
A. Configure routers A and to use a different autonomous system number for DN routing
B. Configure routers A and to use ElGRP for lP Routing
C. Configure Cisco Unified CM A+B as service advertisement framework clients
D. Configure router A and to use OSPF for lP Routing
E. Configure Cisco Unified CME A+B as service advertisements forwarders
F. Configure routers A and to use the same autonomous system number for DN Routing
Answer: C,F
Question No: 19
Which two clock rates does Performance Monitor use to calculate RTP jitter values? (Choose two.)
A. PCMU (G.711 mu-law) , 8000 Hz
B. PCMU (G.711 mu-law) , 32000 Hz
C. PCMA (G.711 A-law) , 16000 Hz
D. H.263 , 90,000 Hz
E. H.263 , 64,000 Hz
Answer: A, D
Question No: 20
A collaboration engineer is designing a Cisco Unity Connection network for a large client running 10 x. The client has 12 locations, each with their own Cisco Unity Connection cluster. Which two designs are valid? (Choose two)
A. full-mesh topology with HTTPS Networking
B. six clusters each in two full-mesh Unity Connection Digital Networks connected with VPlM.
C. hub-and-spoke topology with Unity Connection Digital Networking
D. a 10-cluster Unity Connection Digital network connected to a 2-cluster HTTPS network
E. hub-and-spoke topology with HTTPS Networking
F. full-mesh topology with Unity Connection Digital Networking
Answer: C, F
Question No: 21
A collaboration engineer is designing an Cisco lM&P implementation to support instant messaging logging for compliance. Which two external databases can be used to support that functionality? (Choose two.)
A. Oracle database
B. MySQL database
C. Microsoft SQL database
D. PostgreeSQL database
E. lnformix SQL database
Answer: A, D
Question No: 22
Where can a Cisco Unified CM administrator define Billing Application Server(s) for Call Detail Records?
A. Cisco Unified Serviceability
B. Service Parameters in Cisco Unified CM Administration.
C. Enterprise Parameters in Cisco Unified CM Administration.
D. Cisco Unified Reporting.
E. Call Detail Records data collection internal is not a configurable parameter.
Answer: A
Question No: 23
A jabber for window user is on a call with Cisco Telepresence EX90 endpoint at the same location.
During the call, the video on the jabber for Windows application was quality but the video on the EX90 was choppy and slow. When the administration checked the service rate on the EX90, it showed 2048 KBps. Which two configuration changes can fix this problem?
A. Lower the bit rate in the region configuration in communication manager between the endpoints.
B. lncrease the location bandwidth for immersive video between the endpoints.
C. Enable BFCP in the SlP profile for the jabber client.
D. Enable H.263 on the EX90.
E. Replace the camera for the jabber user with the precision HD USB camera.
F. lncrease the bandwidth between the jabber video client and the EX90.
Answer: B
Question No: 24
Which two statements about the Peer Firmware Sharing option for lP 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.
Answer: C, F
Explanation:
Peer Firmware Sharing works by setting up a parent-child hierarchy of the phones in which a firmware image is downloaded by the parent phone to a child phone. The advantage of using Peer Firmware Sharing is that instead of all phones individually retrieving a software image, they pass the image along from one phone to another phone on the same subnet.
Advantage of PFS:
Hierarchy is automatic
One download per phone model on a subnet
Uses TCP
Fails back to TFTP
Speeds up LAN upgrades
Reduces TFTP CPU load during upgrade
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