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

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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.

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

2. Which two protocols are peer-to-peer protocols? (Choose two.)

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

3. 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 can replace the last three digits of the DID with xxx and use translation rules to map the individual extensions.
C) The administrator needs to implement an auto-attendant solution where individual extensions can be dialed.
D) The administrator can replace the last three digits of the DID with xxx to cover the individual extensions.

4. What is the function of the command crypto pki trustpoint name when you are configuring Cisco Unified Border Element for SRTP-RTP Internetworking?

A) It specifies the key pair to associate with the certificate.
B) It declares the trustpoint that the router uses and enters CA-trustpoint configuration mode.
C) It specifies the enrollment parameters of a CA.
D) It obtains the certificate for the router from the CA.

5. How does DiffServ deliver QoS across the network?

A) When using DiffServ, the network tries to deliver a particular kind of service that is based on the QoS that is specified by each packet.
B) DiffServ delivers a particular kind of service based on either a flow-based behavior or a per-hop behavior, depending on how the traffic was marked and classified at ingress.
C) DiffServ classifies and marks traffic at each node in the network.
D) DiffServ tries to deliver a particular level of service on a per-flow basis across the network.

Solutions: