Cisco 642-845

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QUESTION 91
Which IOS feature provides dial plan scalability and bandwidth management for H.323 VoIP implementations?

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QUESTION 50
Which two statements are true about the digital audio in a VoIP network? (Choose two.)
A. Standard encoding techniques create an uncompressed digital data rate of 4000 bps.
B. Standard encoding techniques create an uncompressed digital data rate of 8000 bps.
C. Standard encoding techniques create an uncompressed digital data rate of 64,000 bps.
D. Voice quality is not a concern if compression is not used.
E. Two methods of quantization are linear and logarithmic.
F. Two methods of compression are u-law and a-law .

Correct Answer: CE Section: (none) Explanation
Explanation/Reference:
QUESTION 51
Which statement is true about Foreign Exchange Station (FXS) portson a router?

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