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Exam 200-355 topic 1 question 19 discussion

Actual exam question from Cisco's 200-355
Question #: 19
Topic #: 1
[All 200-355 Questions]

A network engineer notices that two mesh APs are having problems communicating. After reviewing the current radio configurations, it is noted that one AP is transmitting at 3 mW while the other is transmitting at 60 mW. How many decibels would the 3-mW AP need its power increased to match the 60-mW AP?

  • A. 8
  • B. 12
  • C. 13
  • D. 20
  • E. 57
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Suggested Answer: C 🗳️
by xtrattitude4u at July 24, 2019, 5:24 p.m.

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xtrattitude4u
5 years, 11 months ago
Following the rules of 3db and 10db: 3db doubles the power output and 10db increases it by tenfold. Adding 10db brings the power level to 30mw, then adding another 3db doubles it to bring the power level to 60mw.
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