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

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

2. How are firmware images implemented and which file type describes the contents of the firmware image?

A) Firmware images are implemented as a file loader group and are described by a file that ends with a .sbn suffix.
B) Firmware images are implanted as firmware groups that are described by a file that has a .cnf suffix.
C) Firmware images are implemented as individual files that are described by a file that has a .loads suffix.
D) Firmware images are implemented as file bundles that are described by a file that ends with a .loads suffix.

3. DRAG DROP
Drag the signaling streams to support SIP Early Offer from the left and drop them in the correct box in the graphic on the right.

4. 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

5. DRAG DROP
Drag the signaling methods from the left and drop them in the correct position in the graphic on the right. Some methods are used more than once, and some methods may not be used at all.

Solutions: