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Cisco 642-437 Exam Syllabus Topics:

Cisco Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0) Sample Questions:

Question 1

DRAG DROP
Drag the components that make up Cisco fax relay and T.38 from the left and drop them under the appropriate category on the right.

Cisco 642-437 Exam

Question 2

How does Packet Loss Concealment improve voice quality?

A. Packet Loss Concealment intelligently analyzes missing packets and generates a reasonable replacement packet to improve the voice quality.
B. Cisco Packet Loss Concealment technology decreases the voice sampling rate to 10 ms of the voice payload to smooth gaps in the voice stream.
C. Packet Loss Concealment will buffer 20 to 50 ms of a voice stream to minimize lost or out-oforder voice packets.
D. Packet Loss Concealment will compensate for packet loss rates between 1 and 5 percent by generating a reasonable replacement packet to improve the voice quality.

Question 3

Which command correctly enables a trust of the existing differentiated services code point value coming into a switch?

A. switch(config-if)#mls dscp trust
B. switch(config-mls)#dscp trust
C. switch(config-mls)#mls qos trust dscp
D. switch(config-if)#mls qos trust dscp

Question 4

Which protocol has a centralized configuration?

A. H.323
B. SIP
C. MGCP
D. SCCP

Question 5

When a Cisco 7965 IP phone downloads an SCCP firmware file package, which file is downloaded first by the IP phone from the TFTP server to describe the files it should request from the TFTP server?

A. apps45.9-0-2ES2.sbn
B. SCCP45.9-0-2SR1S.loads
C. term65.default.loads
D. term45.default.loads
E. dsp45.8-4-0-79.sbn
F. cvm45sccp.8-4-0-79.sbn
G. cnu45.8-4-0-79.sbn
H. jar45sccp.8-4-0-79.sbn
I. dsp45.8-4-0-79.sbn.

Solutions: