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Cisco 642-437 still valid dumps - in .pdf Free Demo

  • Exam Code: 642-437
  • Exam Name: Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0)
  • Last Updated: May 31, 2026
  • Q & A: 257 Questions and Answers
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  • Exam Code: 642-437
  • Exam Name: Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0)
  • Last Updated: May 31, 2026
  • Q & A: 257 Questions and Answers
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Cisco Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0) Sample Questions:

1. DRAG DROP
All calls over the IP WAN use G.729. IP phones A and B use Cisco Unified Communications Manager Express.
IP Phone A is on a call with IP Phone B.
IP Phone A conferences in Analog Phone C with IP Phone B.
Software conference resources are not being used.
Drag the appropriate DSP resource for each gateway from the list to the correct locations in the graphic so the call can be completed.


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

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


3. DRAG DROP
Drag and drop the appropriate call-signaling term to the correct box in the diagram to establish RSVF-based Call Admission Control between the two Cisco Unified Border Elements (Cisco UBEs). Some options may be used more than once.


4. Which codec is the best option when a voice bandwidth of 8kbps or below is required with the highest voice quality?

A) G.726
B) G.729
C) G.711
D) G.728


5. Which command should be included in order to trust the DSCP-marked traffic from the distribution layer?

A) mls qos trust dscp
B) mls trust dscp-cos
C) mls qos trust cos
D) mls qos trust dscp-cos


Solutions:

Question # 1
Answer: Only visible for members
Question # 2
Answer: A,B,E,F
Question # 3
Answer: Only visible for members
Question # 4
Answer: B
Question # 5
Answer: A

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