642-321 Cisco Optical SDH Exam (SDH) Practice Exams

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642-321 Cisco Optical SDH Exam (SDH)

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Demo Question 2.

If the power is 0 dBm, what is the power in mW?

A. 0 mW
B. 1 mW
C. 1
D. .5 mW

Display Answer

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Answer: B

Explanation:

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