Cisco 642-437 : Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0)

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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. When Cisco Unified Communications Manager Express is used, which type of files are used to enable phone displays and operations?

A) Unified Communications Manager Express TSP archive files
B) phone firmware files
C) Unified Communications Manager Express basic files
D) phone GUI files

2. What is the prerequisite for configuring Cisco AutoQoS VoIP on a Cisco catalyst switch?

A) Cisco Discovery Protocol version 2.
B) Configure trust boundaries.
C) Configure correct bandwidth on all interfaces.
D) Configure the mls qos global configuration command.
E) Configure Cisco Express Forwarding.

3. Calculate how many IP phone calls can be sent across a 64 kbps Frame Relay link that uses the
G.729 codec being sampled 50 times a second, 20 bytes a sample, and has 6 bytes of Frame Relay header overhead with no checksum and uses header compression.

A) 7
B) 4
C) 3
D) 5

4. Which statement is true regarding SCCP?

A) The protocol is proprietary to Cisco.
B) A PRI backhaul connection forwards PRI Layer 3 (Q.931) signaling information via a TCP connection from the gateway to the call agent.
C) SCCP supports the widest range of features on Cisco IP phones.
D) Only the IP address is required for the gateway to communicate with Cisco Unified Communications Manager.
E) SCCP requires a registrar server.

5. When Cisco Unified Border Element is configured to support RSVP-based CAC, at which point during call setup are the RSVP path and reservation messages sent and received?

A) The path and reservation messages are sent and received immediately after the call setup message is received.
B) The path message is sent immediately after the call setup message is received and the reservation message is received after H.245 capabilities negotiation is completed.
C) The reservation message is sent immediately after the call setup message is received and the path message is received after H.225 call setup messages have been sent.
D) The path and reservation messages are sent and received after the H.245 capabilities negotiation is completed.

Solutions: