Cisco Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0) Sample Questions:
1. Refer to the exhibit. You have received a trouble ticket stating that calls to international numbers are failing. To place an international call, users dial the access code "9," followed by "011," the country code, and the destination number. After entering the debug isdn q931 command on the MGCP gateway, you have the user attempt the call again.
Based on the debug output, what is the most likely cause of this problem?
A) The TON is incorrect.
B) The circuit is not configured correctly or has a physical layer issue.
C) The user's CSS does not permit international calls.
D) Cisco Unified CallManager is not stripping the access code before sending the call to the gateway.
E) The gateway dial peer needs to prefix "011" to the called number so the PSTN knows this is an international call.
2. You have received a trouble ticket stating that the MWI light is not coming on for a group of users. Further investigation reveals that the affected users are connected to the same subscriber in the cluster. Users that are connected to other subscribers in the same cluster are not experiencing this issue.
What is causing this problem?
A) The MWI numbers for this subscriber have been changed.
B) Database replication has an error or has failed.
C) The voice-mail ports assigned to the subscriber are down.
D) The Cisco Unity voice-mail services need to be restarted for the subscriber so all the users will receive proper MWI message indication.
3. You are trying to register Media Gateway Control Protocol (MGCP) gateway with the Cisco CallManager version 3.0(5)a. To register, you execute the following commands:
mgcp
mgcp call-agent 192.168.10.1
ccm-manager mgcp
However, the MGCP gateway still does not register with the Cisco Call Manager. Which two steps should you perform next? (Choose two.)
A) Restart the MGCP gateway services.
B) Run the ping command.
C) Reboot Cisco CallManager.
D) Use Cisco CallManager name instead of IP address.
E) Upgrade the Cisco CallManager version.
F) Verify the address for the Cisco CallManager.
4. Phone calls have been successful with acceptable audio quality over a WAN link. Recent configuration changes in the WAN routers have resulted in the inability to hear any audio on new calls across the WAN.
Which configuration changes directly cause a loss of audio?
A) a WAN router access list that blocks all TCP ports lesser than 10,000
B) a WAN router access list that blocks all UDP ports lesser than 10,000
C) a WAN router access list that blocks all UDP ports greater than 10,000
D) a WAN router access list that blocks all TCP ports greater than 10,000
5. As a network technician, you should be familiar with various commands. Which command displays a count of successful and unsuccessful control commands?
A) debug mgcp statistics
B) show mgcp
C) show mgcp calls
D) show mgcp statistics
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: B | Question # 3 Answer: B,F | Question # 4 Answer: C | Question # 5 Answer: D |
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