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

1. Refer to the exhibit.

Cisco 642-437 Exam
An administrator is migrating a PBX telephony system to a VoIP 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 needs to map the last four digits in the DID to the extension numbers using translation rules.
B) The administrator needs to implement an auto-attendant solution where individual extensions can be dialed.
C) The administrator can replace the last three digits of the DID with xxx to cover the individual extensions.
D) The administrator can replace the last three digits of the DID with xxx and use translation rules to map the individual extensions.

2. In which situation would an administrator configure telephony services, but not configure any individual ephones?

A) This is not a valid scenario. Ephones are always required.
B) Cisco Unified Communications Manager SRST fallback
C) Cisco Unified Communications Manager Express with HSRP
D) Remotely located phones that are controlled by a third-party PBX
E) Phones that are controlled by Cisco Unified Communications Manager Express

3. What are the three appropriate DSCP-to-CoS map statements that will assign AF31 and AF32 a CoS of 3, and AF42 a CoS of 4? (Choose three.)

A) mls qos map dscp-cos 0 8 18 af31 34 46 48 56
B) mls qos map dscp-cos 28 to 3
C) mls qos map dscp-cos 32 to 3
D) mls qos map dscp-cos 36 to 4
E) mls qos map dscp-cos af31 to 3
F) mls qos map dscp-cos 0 8 16 26 34 46 48 56

4. Refer to the exhibit.

Cisco 642-437 Exam
When an inbound PSTN call to 4087071222 is received by the router that is shown in the exhibit, what is the resulting called number?

A) 14081222
B) 14087071222
C) 1222
D) 4087071222
E) 11222

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) invite
C) initiate
D) trying

Solutions: