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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 command should you use to activate the analog voice port in voice-port configuration mode?

A) cptone locale
B) no shutdown
C) voice-port slot/ port
D) dial-type {dtmf | pulse}

2. Dial peers and gateways are important in the call routing process. The call routing process is done based on the inbound dial-peer and outbound dial-peer matching process. Which two statements are true? (Choose two.)

A) In order to modify the default interdigit timeout set for 10 seconds, issue this command. interdigit timeouts # seconds voice-port.
B) When a Cisco router or gateway receives a call setup request, a digit-by-digit match is used to match against configured dial peers.
C) Cisco platforms such as the Cisco AS53xx and AS5800 Series require that a configured inbound dial peer is matched for incoming POTS calls to be accepted as voice calls.
D) Dial peer 0 for inbound POTS peers has a "no ivr application" configuration.

3. Refer to the exhibit.

An administrator is migrating a PBX telephony system to an IP Phone solution using a fixed numbering plan. The extension numbers and PSTN DIDs cannot be changed. Which of the following methods can be used in order to reach the individual extensions at Site B when called via the PSTN?

A) The administrator can add a 1 to the DID for Site B to become 300-555-31xxx.
B) The administrator needs to map the last four digits in the DID to the extension numbers using translation rules.
C) The administrator needs to map the last four digits in the DID to the extension numbers and prefix an intersite code.
D) The administrator needs to map the last four digits in the DID to the extension numbers and prefix a site code.
E) No changes are necessary because PSTN calls are preceded with access code 9.

4. The IP precedence marking uses which bits of the ToS IP header field?

A) the seven left-most bits
B) the three left-most bits
C) the two left-most bits
D) the four left-most bits

5. When a Session Initiation Protocol user agent client initiates a call to another user agent server, what is the first message type that is sent to the Cisco SIP Proxy Server?

A) setup
B) initiate
C) invite
D) trying

Solutions: