nerdexam
Cisco

300-425 · Question #328

An engineer is estimating the loss between two floors of an office building. Using Ekahau, they have measured -45 dBm at the ground level of the floor with the access point and -50 dBm at the…

The correct answer is C. 5 dBm. Floor loss is calculated as the difference in signal strength between the two measurement points. The signal drops from −45 dBm to −50 dBm, which is a reduction of 5 dB. This reduction represents a floor loss of 5 dBm.

Wireless Site Survey

Question

An engineer is estimating the loss between two floors of an office building. Using Ekahau, they have measured -45 dBm at the ground level of the floor with the access point and -50 dBm at the ceiling level of the floor below it. Which value is the loss of the floor?

Options

  • A-95 dBm
  • B-5 dBm
  • C5 dBm
  • D95 dBm

How the community answered

(18 responses)
  • A
    6% (1)
  • B
    11% (2)
  • C
    78% (14)
  • D
    6% (1)

Explanation

Floor loss is calculated as the difference in signal strength between the two measurement points. The signal drops from −45 dBm to −50 dBm, which is a reduction of 5 dB. This reduction represents a floor loss of 5 dBm.

Topics

#floor penetration loss#signal attenuation#dBm calculation#multi-floor RF

Community Discussion

No community discussion yet for this question.

Full 300-425 Practice