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

1. What are three requirements for Quality of Service for voice calls? (Choose three.)

A) one-way latency less than or equal to 150 ms
B) jitter less than or equal to 30 ms
C) PoE-supported Layer 2 switches used to connect IP Phones
D) jitter less than or equal to 45 ms
E) loss less than or equal to 1 percent
F) guaranteed bandwidth of 384 kbps for a voice call

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

3. Refer to the exhibit.

The Cisco Unified Communications Manager server 10.10.10.100 is not showing the conference bridge registered. A second server 10.10.10.101 exists in the Cisco Unified CM cluster.
Which option is the most important gateway change needed to register the hardware conference bridge with the Cisco Unified Communications Manager cluster?

A) Add the command sip.
B) Add the command sccp.
C) Create a VoIP dial peer from the gateway to the Cisco Unified Communications Manager server of 10.10.10.100.
D) Add the command sccp ccm 10.10.10.101 identifier 2 version 5.0.1.

4. A network sniffer is implemented to troubleshoot call setup failures. Initially, the sniffer is able to see only traffic sent to and from the computer that is running the sniffer.
Which two solutions allow the sniffer to see H.323 call setup traffic to and from different devices other than the computer that is running the sniffer. (Choose two.)

A) Configure the SPAN to have an extra stream of the H.323 call setup packets sent to a different switch port to the computer that is running the sniffer.
B) Configure Cisco Unified Communications Manager to redirect the H.323 call setup packets to the computer that is running the sniffer.
C) Configure the ERSPAN to have an extra stream of the H.323 call setup packets sent over multiple hops to the computer that is running the sniffer.
D) Configure the H.323 gateway to have an extra stream of the H.323 call setup packets sent over multiple hops to the computer that is running the sniffer.

5. Refer to the exhibit.

Refer to the exhibit. All phones are placed in the Internal_Pt partition. The CSS for all phones contains the partition Internal_Pt, and Vml.CSS contains the voice-mail hunt pilot. When a call is placed from extension 2001 to 2002, which statement is true?

A) The call will be answered by voice mail.
B) Extension 2002 will ring.
C) The call will be blocked.
D) Extension 2002 will ring, and if the call is not answered, the call will match the translation pattern and then be forwarded to voice mail
E) Extension 2002 will ring, and if the call is not answered, the call will match the translation pattern and then be blocked.

Solutions: