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Cisco Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0) Sample Questions:

1. Cisco IP Phones are being installed on several different IP subnets in a new Cisco Unified Communications Manager installation. Phones are not registering to Cisco Unified CM.
Which three DHCP options must be set properly in each subnet for all phones to register to Cisco Unified Communications Manager? (Choose three.)

A) IP address and subnet mask
B) WINS server
C) option 150
D) default gateway
E) DNS server

2. Three calls can successfully be made across a WAN link. When a fourth call is made, the quality of all four calls degrades. Which QoS mechanism can help avoid this problem?

A) FRF.12
B) LFI
C) CAC
D) LLQ
E) priority queuing

3. Users are making calls from Cisco IP Phones that are registered on a Cisco Unified Communications Manager cluster through an H.323 gateway to the PSTN phones. Sometimes these users report that calls are dropped after they have talked for some time. Different Cisco Unified CM servers have been rebooted for testing during production hours. Currently Cisco IOS
12.0 is used on the H.323 gateway.
Which change helps to prevent calls from dropping when a Cisco Unified CM server is rebooted during testing?

A) Upgrade the gateway Cisco IOS software to a version later than 12.4(4)9T.
B) A misconfiguration of VoIP dial peers to the Cicso Unified CM servers must exist. Reconfigure the VoIP dial peers.
C) A misconfiguration of calling search spaces must exist. Reconfigure the CSS.
D) There is no scenario where rebooting an H.323 gateway will allow call survivability.

4. Refer to the exhibit. When an outgoing PSTN call is made through the MGCP gateway shown in the exhibit, which two statements about the called numbers and calling numbers is true? (Choose two.)

A) The called-party number will be subject to digit manipulation based on the device pool called-
party transformation CSS.
The calling number will inherit digit manipulations from the called-party transformation CSS if a
pattern match occurs.
B) The calling number will have no digit manipulation.
C) The called number will have no digit manipulation.
D) The calling number will be subject to digit manipulation based on the device pool calling party
transformation CSS.
E) The called number will be subject to digit manipulation based on the transformation pattern that
is assigned to the BR1_Intl.CSS.

5. Which two methods can be used to correct database replication issues in a cluster running Cisco Unified CallManager 4.1? (Choose two.)

A) Execute the dblhelper utility on the publisher.
B) Enter the utils dbreplication repair command at the command-line prompt.
C) Use the SQL Server Enterprise Manager application to recreate the database subscription.
D) Run the Cisco Unified CallManager BARS utility to restore the database to the subscriber.
E) Use the Informix database utility to recreate the database subscription.

Solutions: