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Cisco 642-426 demo

Cisco 642-426 demo

642-426 Exam
Troubleshooting Unified Communications (TUC)
Exam Number/Code : 642-426
Exam Name : Troubleshooting Unified Communications (TUC)
Questions and Answers : 48 Q&As
Update Time: 2010-06-02
642-426 Price: $ 79.00

642-426 Exam PDF
7. 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

8. 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

642-426 Exam Recommended Training
Troubleshooting Cisco Unified Communications Systems (TUC) is the recommended training for this exam. Courses listed are offered by Cisco Learning Partners, the only authorized source for Cisco IT training delivered exclusively by Certified Cisco Instructors. Check the List of Learning Partners for a Cisco Learning Partner near you.

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