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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. Which of the following describes SIP Early Offer?

A) SIP Early Offer always uses session indicator 183.
B) In SIP Early Offer mode, the SDP media capabilities are sent in the 200 OK messages of the calling device.
C) In SIP Early Offer mode, the SDP media capabilities are sent in the INVITE message of the calling device.
D) In SIP Early Offer mode, the INVITE and the 200 OK messages use non-SDP message format to indicate SIP Early Offer

2. Which voice quality issue is described as voice clipping or skips?

A) packet loss
B) fixed delay
C) serialization delay
D) propagation delay
E) DSP delay
F) jitter

3. Which two gateway protocols can be configured if you have Cisco 2600XM or 3700 Series Multiservice Routers installed? (Choose two.)

A) SCCP
B) H.323
C) MGCP
D) SIP

4. A small company would like to minimize the number of analog lines that they use to connect to the PSTN. They are considering a single FXO circuit. Which issue will they encounter if they deploy this solution?

A) They will need an FXS port for inbound calls to carry ANI.
B) They will be able to support both inbound and outbound calls without any issues.
C) They won't be able to support DID and will require a mechanism to handle inbound calls, like PLAR to an operator line.
D) They will need an additional FXS-DID circuit to support inbound ANI.

5. Which command is used to assign 20% of the bandwidth of an interface to a traffic class with priority?

A) router(config-cmap)#bandwidth percent 20
B) router(config-cmap)#priority percent 20
C) router(config-pmap-c)#priority percent 20
D) router(config-pmap-c)#bandwidth percent 20

Solutions: