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2021 Apr 400-051 latest exam
Q21. Which Cisco Unified Contact Center Express data store contains user scripts, grammars, and documents?
A. configuration data store
B. repository data store
C. agent data store
D. historical data store
E. script data store
Q22. How are queues serviced in Cisco IOS routers with the CBWFQ algorithm?
A. first-in, first-out
B. weighted round robin based on assigned bandwidth
C. strict priority based on assigned priority
D. last-in, first-out
E. weighted round robin based on assigned priority
Q23. In which call state does the Mobility soft key act as a toggle key to enable or disable Single Number Reach for Cisco Unified Communications Manager Express SCCP IP phones?
Q24. Refer to the exhibit.
You received this debug output to troubleshoot a Cisco IOS MGCP gateway problem at a customer site. Which statement about this endpoint on the Cisco MGCP gateway is true?
A. This endpoint is on a T1 Controller 0/1/0.
B. This endpoint is on an E1 Controller 0/1/0.
C. This endpoint is on a T1 Controller 0/1/1.
D. This endpoint is on an E1 Controller 0/1/2.
E. This endpoint is on an T1 Controller 0/1/2.
Q25. 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
Updated 400-051 practice test:
Q26. To which Cisco enterprise medianet application class does Cisco Unified Personal Communicator belong?
A. VoIP Telephony
B. Real-time Interactive
C. Multimedia Conferencing
D. Broadcast Video
E. Low Latency Data
Q27. 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.
Q28. Which protocol does the Cisco Prime LAN Management Solution application use to communicate with Cisco EnergyWise domain members?
A. UDP broadcast
B. Cisco Discovery Protocol
C. UDP unicast
Q29. 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.
Q30. Company ABC is planning to migrate from MCS-hosted Cisco Unified Communications Manager applications to Cisco UC on UCS B-Series servers. Which statement about installation media support is true for this migration?
A. The install log can be written to a USB flash drive that is attached to the UCS server.
B. The answer file that is generated by the Answer File Generator (platformConfig.xml) can be read from a USB flash drive to perform an unattended installation on the UCS server.
C. The Cisco Music on Hold USB audio sound card can be mapped to a virtual USB port on a VMware virtual machine on the UCS server.
D. The answer file that is generated by the Answer File Generator (platformConfig.xml) can be read from an FLP image that is mounted in a virtual floppy drive.
E. The Cisco Music on Hold USB audio sound card can be mapped to a virtual serial port on a VMware virtual machine on the UCS server.