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

642-437 real exams

Exam Code: 642-437

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

Updated: Jun 03, 2026

Q & A: 257 Questions and Answers

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

1. What is the command sequence to configure an FXS port as a signal loop-start?

A) router(config)# voice-port slot/port router(config-voiceport)# signal groundstart
B) router(config)# voice-port slot/port router(config-voiceport)# signal loopstart router(config-voiceport)# shutdown router(config-voiceport)# no shutdown
C) router(config)# voice-port slot/port router(config-voiceport)# signal loopstart
D) router(config)# voice-port slot/port router(config-voiceport)# signal groundstart router(config-voiceport)# shutdown router(config-voiceport)# no shutdown


2. Which three connections can utilize the priority command? (Choose three.)

A) ATM PVCs
B) Fast Ethernet links
C) serial links
D) EtherChannel
E) Frame Relay links
F) Fibre Channel


3. When you configure a VoIP dial peer, which command should be used to configure the remote gateway with the destination IPv4 address 172.16.1.118?

A) session target ipv4:172.16.1.118
B) destination ipv4:172.16.1.118
C) destination address 172.16.1.118
D) remote target ipv4:172.16.1.118


4. What do you use an FXS for?

A) a PBX
B) an analog telephone
C) an IP phone
D) an E1


5. 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 the ephone has a button assigned.
C) Verify that telephony-service has been configured.
D) Verify that the correct phone type files are in the tftp-server path.
E) Verify that the tftp-server path has been configured.
F) Verify that the ip helper-address is correctly configured.


Solutions:

Question # 1
Answer: B
Question # 2
Answer: A,C,E
Question # 3
Answer: A
Question # 4
Answer: B
Question # 5
Answer: D,E

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