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Exam Number/Code: 642-426
Exam Name: Troubleshooting Unified Communications (TUC)

As all known IT exams become very popular, everybody want  to  get a exam certification !I think there must be someone want to pass the exam 642-426! Now the following are some discriptions and some demos about it ,you can read them.I really hope they can help you !

The 642-426 Troubleshooting Unified Communications (TUC) exam is the exam associated with the CCVP certification. Candidates can prepare for this exam by taking Troubleshooting Cisco Unified Communications (TUCv1.0) course. The exam will certify that the successful candidate has the knowledge and skills necessary to troubleshoot Enterprise CallManager, Unity, and IP network deployments. The exam addresses hands-on experience in configuring, deploying, and troubleshooting Unified Communications solutions. Topics covered include (see Claims and Components attached).

The following are some demos about the exam 642-426,you can have a view

of  them befor you buy it!

For example:

1. Which three capabilities cannot be configured if the default dial peer is matched? (Choose three.)
A. disable DID
B. invoke a Tcl application
C. enable dtmf-relay
D. disable VAD
E. set codec to G.711
F. set preference to 1
Answer: BCD
2. Cisco CallManager 5.0 has just been deployed in two locations across a wide-area link. A distributed
model with an intercluster trunk has been used. When you call an IP phone at the remote site the phone
rings, but as soon as the other person picks up the phone, the call is dropped.
Where should you look to diagnose the problem?
A. locations
B. system parameters
C. media resource group
D. Cisco Unified CallManager group
E. Cisco Unified CallManager CTI traces
Answer: C
3. Your company has a centralized IP Telephony system and branch offices in eight major cities. The
manager of your company help desk recently published local access numbers for external customers to
reduce the costs associated with your company’s toll-free 800 service. However, when customers call the
new local numbers they hear a reorder tone instead of your centralized IVR.
What is the best solution to this issue?
A. Deploy transcoders at each remote location.
B. Deploy transcoders at the central location.
C. Deploy Cisco Unified IP IVRs at each remote location.
D. Increase the number of ports in the centralized IVR.
Answer: B
4. You have received a trouble ticket stating that an executive with an account at a bank cannot retrieve
account information by phone.When the executive calls the bank, the call is answered and the executive is
prompted to enter the account code. However, the bank does not seem to recognize the DTMF tones and
disconnects the call.
What is a possible solution to this problem?
A. Configure the voice rtp send-recv command in the gateway.
B. Set the Cisco Unified CallManager service parameter ToSendH225UserInfoMsg to True.
C. Configure the progress_ind setup enable 3 command under the gateway VoIP dial peer.
D. Configure the progress_ind alert enable 8 command under the gateway POTS dial peer.
Answer: A
5. Partition A contains four route patterns. The calling search space assigned to Device B contains only
Partition A. When Device B dials 1136, which of the route patterns will be selected?
A. 1[14]XX
B. 11X!
C. 1[^2-8]XX
D. 1[1-4]XX
Answer: B
6. You have received a trouble ticket that says users are experiencing echo when their calls go out an
H.323 gateway. You have tested the gateway and have modified the configuration so that the ERL level is
now 6 dB. You also increased the echo-cancel coverage value to 64 ms.
How will this impact voice quality after this change?
A. The increase in echo-cancel coverage will have no effect on voice quality.
B. The ends of sentences will be chopped by the echo canceller.
C. Consonants will be chopped by the echo canceller.
D. The echo canceller will take 2-3 seconds longer to converge at the beginning of the call.
Answer: D

I really hope  the  information I give can help you a  lot ! If you want more demos ,please click: http://pdf.testinside.com/642-426.pdf ,there you will found accruate answers!