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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