Cisco 400-051 PDF Exam Syllabus

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Question No. 1

A voice engineer is trying to configure CUCM to satisfy the following customer codec requirements.

– All IP phones should use audio codec at less than 10K bandwidth and maintain voice quality

– The IP phone audio codec selected should be optimized for speech and music

– The audio codec should be used in outbound SIP early offer signalling

Which configuration best satisfy the requirement?





Answer: C

Question No. 2

Refer to the exhibit.

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?

Answer: E

Question No. 3

You want your SDN controller to build a topology map of your network. Which protocol can be used to export IGP information from the network to the SDN controller?

Answer: C

Question No. 4

How is Video Call traffic Class defined on Cisco Unified CM for Enhanced Location bandwidth deductions?

Answer: B

Question No. 5

An engineer is troubleshooting Cisco Jabber Federation where the server cannot discover the external Lync domains using SRV records. Which two steps resolve this problem? (Choose two)?

Answer: C, F, G

Question No. 6

Refer to the exhibit.

Which type of SIP message does Cisco Unity Express use to respond to this incoming SIP message when it is configured for unsolicited MWI notification?

Answer: D

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