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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 bandwidth percentage should the priority queue be given when configuring LLQ on a 256kb/s Frame Relay circuit? The circuit uses header compression with no checksums and FRF.12 so that five simultaneous G.729 calls can be completed.

A) 16 percent
B) 24 percent
C) 47 percent
D) 5 percent
E) 32 percent

2. 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.

3. Which signaling protocol is proprietary to Cisco?

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

4. Refer to the exhibit.

A new Cisco Unified Communications Manager Express system has been deployed and the technician is trying to add the first new IP phone to the system. The phone powers up, but it does not register with the system. The technician has verified that the phone is getting the proper VLAN information from Cisco Discovery Protocol. The phone is also getting the correct IP address and TFTP server address from DHCP. The phone has been assigned to an ephone and the correct MAC address is configured. With the information provided, which two of the following does the administrator need to verify to resolve this situation? (Choose two.)

A) Verify that the Cisco Unified Communications Manager Express service is running.
B) Verify that telephony-service has been configured.
C) Verify that the ephone has a button assigned.
D) Verify that the ip helper-address is correctly configured.
E) Verify that the correct phone type files are in the tftp-server path.
F) Verify that the tftp-server path has been configured.

5. Which command should you use to configure a dial-peer to support T.38 fax relay and to use Cisco fax relay if T.38 fails?

A) fax t38 fallback cisco
B) fax relay t38 cisco
C) fax relay t38 backup cisco relay
D) fax protocol t38 fallback cisco

Solutions: