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. 

Which SIP response message should the TGW send if it cannot process the tunneled QSIG messages from the OGW? 

A. 405 Method Not Allowed 

B. 406 Not Acceptable 

C. 412 Conditional Request Failed 

D. 415 Unsupported Media Type 

E. 485 Ambiguous 

Answer:

Q2. 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:

Q3. Which two statements describe characteristics of Cisco Unified Border Element high availability, prior to Cisco IOS release 15.2.3T, using a box-to-box redundancy configuration? (Choose two.) 

A. It leverages HSRP for router redundancy and GLBP for load sharing between a pair of routers. 

B. Cisco Unified Border Element session information is check-pointed across the active and standby router pair. 

C. It supports media and signal preservation when a switchover occurs. 

D. Only media streams are preserved when a switchover occurs. 

E. It can leverage either HSRP or VRRP for router redundancy. 

F. The SIP media signal must be bound to the loopback interface. 

Answer: BD 

Q4. You are assisting a customer to troubleshoot a SIP early-offer problem with a SIP service provider. You have enabled Cisco CallManager trace and set the debug trace level to Detailed for SIP Call Processing trace on their standalone Cisco Unified Communications Manager 9.1 system. Using the RTMT tool, your customer has remote browsed to the Cisco UCM and asked you which trace file to download. 

What is the trace file name syntax in which detailed SIP messages are logged? 

A. SDL 

B. SDI 

C. CCM 

D. Call logs 

E. Traces 

Answer:

Q5. 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 

Q6. When a Cisco IOS gatekeeper receives an LRQ, what is the first step it will take in an attempt to resolve the destination address? 

A. Check to see if the LRQ reject-unknown-prefix flag is set. 

B. Check to see if the destination address matches the technology prefix. 

C. Check to see if the destination address matches the hop-off technology prefix. 

D. Check to see if the destination address matches the remote zone prefix. 

E. Check to see if the LRQ forward-queries flag is set. 

Answer:

Q7. Which protocol is used by presence-enabled users in Cisco IM and Presence to control phones that are registered to Cisco Unified Communications Manager? 

A. AXL/SOAP 

B. CTI/QBE 

C. SIP/SIMPLE 

D. LDAP 

E. XMPP 

Answer:

Q8. Refer to the exhibit. 

Which SIP trunk deployment model is shown in this enterprise VoIP topology? 

A. mixed TDM and VoIP 

B. centralized 

C. hybrid 

D. traditional TDM 

E. distributed 

Answer:

Q9. Which Device Pool configuration setting will override the device-level settings only when a device is roaming within a device mobility group? 

A. Region 

B. Location 

C. SRST Reference 

D. Calling Party Transformation CSS 

E. Media Resource Group List 

Answer:

Q10. Which statement about Cisco EnergyWise domain member neighbor formation is true? 

A. Cisco EnergyWise supports static neighbors, but the neighbor relationship is only possible.if a noncontiguous domain member and a contiguous domain member have a static neighbor entry pointing to each other. 

B. Cisco EnergyWise static neighbors can be formed even if domain members are not physically contiguous. 

C. Static neighbors can be manually defined on Cisco EnergyWise domain members, but TCP protocols must be used. 

D. Static neighbors can be manually defined on Cisco EnergyWise domain members, but they have a lower priority compared to the autodiscovered members. 

E. Static neighbors can be manually defined on Cisco EnergyWise domain members and the TCP or UDP protocol can be used. 

Answer:

Q11. To which SIP response category does 301 Moved Permanently belong? 

A. Provisional 

B. Successful 

C. Redirection 

D. Client Failure 

E. Server Failure 

Answer:

Q12. 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:

Q13. Which digital modulation method is used to transmit caller ID information on analog FXS ports on Cisco IOS routers? 

A. DTMF 

B. PSK 

C. FSK 

D. MF 

E. pulse dialing 

Answer:

Q14. Which two statements describe characteristics of Binary Floor Control Protocol? (Choose two.) 

A. Its binary encoding is designed to work in high-bandwidth environments. 

B. It is designed for audio or video conference sessions of three or more participants. 

C. It enables management of shared content resources independent of video streams. 

D. It supports TLS-based authentication. 

E. It supports SIP as well as H.323. 

Answer: CD 

Q15. Which message-handling behavior describes how Cisco Unity Connection Single Inbox works for Outlook users who do not have ViewMail installed? 

A. Cisco Unity Connection voice messages are treated as emails without a WAV file attachment. 

B. Cisco Unity Connection voice messages are treated as voice messages. 

C. Cisco Unity Connection voice messages are treated as emails with a WAV file attachment. 

D. Cisco Unity Connection adds a Voice Outbox folder to the Outlook mailbox. 

E. Replies to Cisco Unity Connection voice messages are sent to Exchange as well as the Cisco Unity Connection mailbox for the recipient. 

Answer:

Q16. Which Cisco Unified Communications Manager deployment model for clustering over the IP WAN mandates a primary and a backup subscriber at the same site? 

A. multisite with centralized call processing 

B. multisite with distributed call processing 

C. local failover 

D. remote failover 

E. remote failover with Cisco Unified Communications Manager Express as SRST 

Answer:

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