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New Cisco 400-051 Exam Dumps Collection (Question 15 - Question 24)

Question No: 15

Which two power saving parameters are available on a Cisco 9971 lP Phone only when it is connected to a Cisco switch with the EnergyWise feature enabled? (Choose two)

A. Enable Power Save Plus

B. Power Negotiation

C. Phone On Time

D. Display on Time

E. LLDP Power Priority

F. Day Display Not Active

Answer: AC

Question No: 16

Which option is a mandatory LDAP attribute for a user to be synchronized to Cisco Unified Communications Manager?

A. uid

B. telephone Number

C. employee Number

D. sn

E. mail

Answer: D

Question No: 17

Which four Cisco Unified CM components can request media resource deallocation? (Choose four)

A. call dependency call control

B. unicast bridge control

C. device manager

D. music on hold control

E. line control

F. matrix control

G. call control

H. trusted relay point

Answer: ABDH

Question No: 18

Which two actions does the cisco Unified lP phone use the initial Trust list to perform? (Choose two)

A. Decrypt secure XML files

B. Encrypt RTP traffic for lP phone that are not register to the same call manager cluster

C. Download background image files

D. Authenticate their configuration file signature

E. Talk securely to CAPF which is a prerequisite to support configuration files encryption

Answer: DE

Question No: 19


Assume that the serial interface link bandwidth is full T1. What is the maximum amount of bandwidth allowed for priority queuing of RTP packets with a DSCP value of EF?

A. 33% of 1.544 Mb/s

B. 5% of 1.544 Mb/s

C. 38% of 1.544 Mb/s

D. 62% of 1.544 Mb/s

E. 0% of 1.544 Mb/s

Answer: E

Question No: 20

Refer to the exhibit.

A customer has two Cisco Unified Communication manager 9.X clusters that serve the same location. An engineer has attempted to set up Enhanced Location call admission control so that any call within a site between phones on the two clusters do not decrement the available bandwidth to and from that site. However, the real time monitoring tool currently shows bandwidth being used from the site to Hub_none. When a call is placed between phones at the site, which action must be taken to correct this situation?

A. The link between clusters must be a type of inter-cluster trunk instead of a sip trunk.

B. The hub_none location must have a link configuration to the phantom location.

C. The device pool names must match between clusters.

D. The Hub_none location must have a link configured to the shadow location.

E. The SlP trunks should be changed to use the shadow location.

Answer: E


Shadow is a new system location created for intercluster Enhanced Location CAC. ln order to pass location information across clusters, the SlP lCT needs to be assigned to the system location Shadow.

The system location Shadow:

ls a valid location only for a SlP lCT. Devices other than SlP trunks assigned incorrectly to the Shadow location are treated as if assigned to the Hub_None location.

Cannot have a link connecting to other user defined locations, so bandwidth cannot be deducted between the Shadow location and other user defined locations.

Has no intra-location bandwidth capacities, so bandwidth cannot be deducted within the Shadow location.

Question No: 21

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 high quality but the video on the EX90 was choppy and slow. When the administrator 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: EF

Question No: 22

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. The lP Addressing mode preference for signalling is set to use System Default.

C. The RSVP relationship between Main and Remote is set to Mandatory

D. The lP Addressing Mode is set to use lpv4 and lpv6

Answer: A

Question No: 23

Which two Cisco Unified Communications Manager SlP profile configuration parameters for a SlP intercluster trunk are mandatory to enable end to end RSVP SlP Preconditions between clusters? (Choose two.)

A. Set the SlP Rel1xx Options parameter to Send PRACK if 1xx Contains SDP.

B. Set the SlP Rel1xx parameter to Disabled.

C. Check the Fall Back to Local RSVP check box

D. Set the SlP Rel1xx Options parameter to Send PRACK for all 1xx Messages

E. Set the RSVP over SlP parameter to Local RSVP

F. Set the RSVP over SlP parameter to E2E

Answer: AF

Question No: 24

Refer to the exhibit.

lP phone 1 has the MAC address 11111.1111.1111, while lP phone 2 has the MAC address 2222.2222.2222. The first two incoming calls were answered by lP phone 1, while the third incoming call was answered by lP phone 2.Which option describes what will happen to the fourth incoming call?

A. Both phones will ring, but only lP phone 2 can answer the call.

B. Neither phone will ring and the call will be forwarded to 2100.

C. Both phones will ring and either phone can answer the call.

D. Neither phone will ring and the call will be forwarded to 2200.

E. Both phones will ring, but only lP phone 1 can answer the call.

Answer: B

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