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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:

1. What is the maximum percentage of packet loss that can be accepted on VoIP traffic?

A) less than 1%
B) less than 2%
C) less than 5%
D) 0

2. Which Cisco Unified Communications Manager component provides direct digital-to-digital conversion from one codec to another?

A) digital signal processor
B) media converter
C) coder
D) media termination point

3. Digital signal processors offload media processing functions from voice processing equipment. What is the function of the dsp services dspfarm command that is issued under the voice-card configuration mode?

A) Enables profile failed due to insufficient transcoding resources.
B) Permits the codec rate to be attempted for SCCP-controlled connections.
C) Provides resources for Flex-DSPRM status UP.
D) Takes the DSP resources that are not being used for the voice part and assigns them to a farm.

4. Refer to the exhibit.

Cisco 642-437 Exam
When an inbound PSTN call to 4087071222 is received by the router that is shown in the exhibit, what is the resulting called number?

A) 1222
B) 14081222
C) 14087071222
D) 11222
E) 4087071222

5. Which four voice and video issues are caused by the absence of QoS? (Choose four.)

A) defective CAT cable
B) call setup failure
C) echo
D) dropped calls
E) jitter
F) circuit issues
G) delays

Solutions: