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New Cisco 400-051 Exam Dumps Collection (Question 8 – Question 17)

Q8. Refer to the exhibit.

All displayed devices are registered to the same Cisco Unified Communications Manager server and the phones are engaged in an active call. Assuming the provided configurations exist at the phone line level and multicast MOH is disabled cluster wide, what will happen when the user of lP Phone A presses the Hold softkey?

A. The lP Phone B user hears audio source 2 from MOH Server A.

B. The lP Phone B user hears audio source 2 from MOH Server B.

C. The lP Phone B user hears audio source 3 from MOH Server A.

D. The lP Phone B user hears audio source 2 from MOH Server B.

E. The lP Phone A user hears no on-hold music.

Answer: D

Q9. 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 multi PPP link with cRTP enabled? (Choose two.)

A. 80.4 kb/s

B. 91.2 kb/s

C. 69.6 kb/s

D. 78.4 kb/s

E. 6 kb/s 2.4

Answer: C

Q10. Refer to the exhibit.

Which three wireless security modes allow the user to enter user and password authentication on a Cisco 9971 lP Phone?

A. Shared Key


C. Open with WEP

D. Open



Answer: BEF

Q11. Which two statements about virtual SNR in Cisco Unified Communications Manager Express are true?

(Choose two.)

A. The SNR DN must be configured as SCCP.

B. Calls cannot be pulled back from the phone associated with the DN.

C. Ephone hunt groups are supported.

D. The virtual SNR DN must be assigned to an ephone.

E. Music on hold is supported for trunk and line side calls.

Answer: AB


SCCP: Configuring a Virtual SNR DN

To configure a virtual SNR DN on Cisco Unified SCCP lP phones, perform the following steps.


Cisco Unified CME 9.0 ora later version.


Virtual SNR DN only supports Cisco Unified SCCP lP phone DNs.

Virtual SNR DN provides no mid-call support.

Mid-calls are either of the following:

– Calls that arrive before the DN is associated with a registered phone and is still present after the DN is associated with the phone.

– Calls that arrive for a registered DN that changes state from registered to virtual and back to registered.

Mid-calls cannot be pulled back, answered, or terminated from the phone associated with the DN. State of the virtual DN transitions from ringing to hold or remains on hold as a registered DN. 8281

Q12. 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.

Q13. Which definition is included ina Cisco UC on UCS TRC?

A. Required RAlD 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

Q14. What does a weight represent in the enhanced location Call Admission Control mechanism on Cisco Unified Communications Manager?

A. lt defines bandwidth that is available on a link.

B. lt defines bandwidth that is available between locations.

C. lt is the amount bandwidth allocation for different types of traffic.

D. lt is used to provide relative priority of a location.

E. lt is used to provide relative priority of a link between locations.

Answer: E

Q15. Refer to the exhibit.

Which three facts can be determined about the audio parameters of this call from this session description protocol? (Choose Three)

A. The DTMF relay will be RFC2833

B. The codec will be G711

C. The codec will be G729

D. VAD will be disabled for this call

E. VAD will be enabled for this call

F. The call will be a T38 fax call

Answer: ACD

Q16. Refer to the exhibit.

A phone VPN failed to establish a VPN with the Cisco AS A. The support engineer downloaded the console logs and analysed them. When two steps resolve this issue?(Choose two)

A. Configure user and password authentication instead of certificate only

B. Uncheck the enable Host lD check checkbox under the VPN profile in Cisco Unified CM

C. Reset the Cisco Unified CM TFTP service to allow caching of the new certificate

D. Delete the current certificate so the phone can download a new one

E. Register the phone internally to download the new configuration

Answer: BE

Q17. 1.1.1 and are node lP addresses of a Cisco Unified CM cluster. Which statement describes the correct Cisco Unified CM configurations that produced the output shown in the exhibit?

A. Device Name on the Cisco Unified CM Gatekeeper configuration page is HQGK.

B. Device Name on the Cisco Unified CM H.225 Trunk (Gatekeeper Controlled) configuration page is HQGK.

C. Device Name on the Cisco Unified CM H.225 Trunk (Gatekeeper Controlled) configuration page is


D. Device Name on the Cisco Unified CM Gatekeeper configuration page is HQGK_1, HQGK_2.

E. Not enough information has been provided to answer this Question:.

Answer: B

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