400-051 Premium Bundle

400-051 Premium Bundle

CCIE Collaboration Certification Exam

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December 4, 2024Last update

Cisco 400-051 Free Practice Questions

Q1. Refer to the exhibit. 

Assuming that the administrator has never performed any manual custom uploads, which two file types can be found when you choose Software Upgrades, followed by TFTP File Management on the Cisco Unified Operating System Administration web page? (Choose two.) 

A. IP phone configuration files 

B. sample music-on-hold audio files 

C. Identity Trust List files 

D. IP phone license files 

E. Mobile Voice Access audio files 

F. softkey template files 

Answer: CE 

Q2. Which statement describes the call recording operation on Cisco Unified Contact Center Express call agents that use Cisco IPPA? 

A. Recording is facilitated via desktop monitoring on supported IP 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 IPPA. 

Answer:

Q3. Which two statements about using the Load Server option for IP phone firmware distribution are true? (Choose two.) 

A. This option must be enabled on at least two servers in a Cisco Unified Communications Manager cluster. 

B. This option must be enabled on Cisco Unified Communications Manager service parameters for Cisco TFTP. 

C. Phone firmware must be manually copied to any applicable load servers. 

D. The load server will not function if its IP address is not in the same subnet as the IP phones. 

E. This option is only available for newer IP phone models. 

F. This option does not accommodate falling back to Cisco TFTP on error. 

Answer: CF 

Q4. Which two Cisco Unified Communications Manager SIP profile configuration parameters for a SIP intercluster trunk are mandatory to enable end-to-end RSVP SIP Preconditions between clusters? (Choose two.) 

A. Set the RSVP over SIP parameter to Local RSVP. 

B. Set the RSVP over SIP parameter to E2E. 

C. Set the SIP Rel1XX Options parameter to Disabled. 

D. Set the SIP Rel1XX Options parameter to Send PRACK If 1xx Contains SDP. 

E. Set the SIP Rel1XX Options parameter to Send PRACK for All 1xx Messages. 

F. Check the Fall Back to Local RSVP check box. 

Answer: BD 

Q5. In Channel Associated Signaling on a T1 circuit using Extended Super Frame, how many signaling bits does each T1 timeslot have? 

A. 1 

B. 2 

C. 4 

D. 12 

E. 24 

Answer:

Q6. Refer to the exhibit. 

This output was captured on a Cisco IOS gateway shortly after it became the active Cisco Unified Border Element in a box-to-box redundancy failover. 

How many calls are native to this Cisco Unified Border Element? 

A. 9 

B. 12 

C. 19 

D. 31 

E. 40 

Answer:

Q7. Which two statements describe security services that are provided by the Phone Proxy function on a Cisco ASA appliance? (Choose two.) 

A. It is supported only on phones that use SCCP. 

B. It is supported on an adaptive security appliance that runs in transparent mode. 

C. It provides interworking to ensure that the external IP phone traffic is encrypted, as long as the Cisco Unified Communications Manager cluster runs in secure mode. 

D. It provides a proxy of phone signaling, with optional use of NAT, to hide the Cisco Unified Communications Manager IP address from the public Internet. 

E. It proxies phone media so that internal phones are not directly exposed to the Internet. 

F. It supports IP phones that send phone proxy traffic through a VPN tunnel. 

Answer: DE 

Q8. 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. SIP and H.323 intercluster trunks are supported. 

B. Only SIP trunk is supported. 

C. SIP 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:

Q9. Which two SCCP call signaling messages are initiated by Cisco Unified Communications Manager to an IP phone? (Choose two.) 

A. SoftKeyEvent 

B. CloseReceiveChannelAck 

C. CallState 

D. KeypadButton 

E. OpenReceiveChannel 

F. Offhook 

Answer: CE 

Q10. Which two applications must be connected to a leaf cluster in a Cisco Unified Communications Manager Session Management Edition deployment? (Choose two.) 

A. Cisco Unified Meeting Place 

B. Cisco Unified Contact Center Express 

C. H.323-based video conferencing systems 

D. Cisco Unity 

E. Cisco Unified Communications Manager Attendant Console 

F. fax servers 

Answer: BE 

Q11. Which statement describes DTMF processing on Cisco Unified Contact Center Express with supported SIP-based agent IP phones that are registered to Cisco Unified Communications Manager? 

A. Cisco Unified CCX receives the DTMF digits via SIP NOTIFY messages. 

B. Cisco Unified CCX receives the DTMF digits in the RTP payload based on RFC 2833. 

C. Cisco Unified CCX receives the DTMF digits via JTAPI messages. 

D. Cisco Unified CCX receives the DTMF digits via SIP INFO messages. 

E. Cisco Unified CCX receives the DTMF digits as part of the audio encoding in the RTP stream. 

Answer:

Q12. Refer to the exhibit. 

In this high-availability Cisco IM and Presence deployment with three subclusters, the first user is assigned to server 1A; the second user is assigned to server 2A; and the third user is assigned to server 3A. Assume that Cisco IM and Presence is set to active-active mode. To which server will the fourth user be automatically assigned? 

A. 1A 

B. 3B 

C. 1B 

D. 2A 

E. 3A 

Answer:

Q13. Which two statements about the Peer Firmware Sharing option for IP 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: CF 

Q14. Which device is the initiator of a StationInit message in a Cisco Unified Communications Manager SDI trace? 

A. Cisco Unified Communications Manager 

B. MGCP gateway 

C. Cisco Music on Hold server 

D. SCCP IP phone 

E. SIP Proxy Server 

Answer:

Q15. Which ITU-T recommendation defines the procedures for using more than one video channel in H.320-based systems? 

A. H.324 

B. H.230 

C. H.239 

D. H.264 

E. H.329 

Answer:

Q16. The number of calls waiting in a Cisco Unified Communications Manager native call queue has reached its maximum limit. 

Which statement about what happens to additional incoming calls is true? 

A. Calls are handled according to the Forward Hunt Busy settings on the Hunt Pilot configuration page. 

B. Calls are handled according to the Forward Hunt No Answer settings on the Hunt Pilot configuration page. 

C. Calls are handled according to the Forward Hunt Busy settings on the Line Group members. 

D. Calls are handled according to the Hunt Options settings on the Line Group Configuration page. 

E. Calls are handled according to the When Queue Is Full settings on the Hunt Pilot Configuration page. 

Answer:

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