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Exam 200-355 topic 2 question 5 discussion

Actual exam question from Cisco's 200-355
Question #: 5
Topic #: 2
[All 200-355 Questions]

What is the numerical value in dBm that corresponds to a power level of 50 mW?

  • A. 16
  • B. 17
  • C. 18
  • D. 20
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Suggested Answer: B 🗳️
by azzawim at Jan. 9, 2020, 11:49 a.m.

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JEVC
5 years, 5 months ago
The correct anwer is B. 100 mW = 20dBm Then 20 dBm - 3 dBm = 100 mW/2 ----> 17 dBm =50 mW
upvoted 2 times
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azzawim
5 years, 5 months ago
Answer A
upvoted 2 times
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