Cisco CCNP 642-437

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

1. You have a Cisco Unified Border Element configured to provide H.323 to SIP interworking. Which command will verify that you have a single H.323 and a single SIP call leg when the call is placed?

A) show call active voice
B) show dialpeer voice
C) debug voip ipipgw
D) debug voice dialpeer

2. When you configure Cisco Unified Border Element to support RSVP-based CAC, when are the RSVP path and reservation messages sent and received?

A) after the global command call rsvp-sync is configured
B) immediately after the call setup message is received
C) immediately after the call setup message is received and the reservation message is received, after H.245 capabilities negotiation is completed
D) after the H.245 capabilities negotiation is completed

3. If a packet is marked with an IP precedence value of 011, what is the corresponding binary DSCP class-selector value?

A) 011110
B) 000011
C) 011100
D) 011010
E) 011000

4. DRAG DROP
Drag the appropriate IOS command from the left and drop them in the spaces on the right in order to configure Cisco Unified Border Element. The ITSP does not support early offer. Not all boxes are used.

5. How does Packet Loss Concealment improve voice quality?

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

Solutions:

Question # 1 Answer: A

Question # 2 Answer: B

Question # 3 Answer: E

Question # 4 Answer: Only visible for members

Question # 5 Answer: B