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?

A. Option A
B. Option B
C. Option C
D. Option D

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?

A. 33% of 1.544 Mb/s
B. 5% of 1.544 Mb/s
C. 38% of 1.544 Mb/s
D. 62% of 1.544 Mb/s
E. 0% of 1.544 Mb/s

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?

A. VXLAN
B. JSON
C. BGP-LS
D. OpenFlow
E. PCEP

Answer: C

Question No. 4

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

A. On each device or Device Pools configuration page
B. On Location configuration page
C. On Device Profile page
D. On SIP Profile configuration page
E. On each device’s configuration page

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)?

A. Configure the port number as 5065.
B. Configure the destination pattern as “lyncdomainname.com”.
C. Set the Next Hop value as the IP address of the Microsoft Lync Server.
D. Configure the destination pattern as “.com.lyncdomainname*”
E. Configure the port number as 5060.
F. Set the protocol to TLS.
G. Set the Next Hop value as the IP address of the Lync Domain servers. H. Set the protocol to TCP.

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?