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98-366 · Question #71

Which wireless communication problem is caused by electromagnetic waves?

The correct answer is C. Interference. Because the air is shared by all transmitters, transmissions by any device at the same frequency as an access point's radio can cause interference. Because 802.11 wireless networks operate in unlicensed bands used by many technologies, such as microwave ovens, video…

Understanding Network Infrastructures

Question

Which wireless communication problem is caused by electromagnetic waves?

Options

  • AFading
  • BAttenuation
  • CInterference
  • DDiffraction

How the community answered

(25 responses)
  • A
    4% (1)
  • B
    12% (3)
  • C
    80% (20)
  • D
    4% (1)

Explanation

Because the air is shared by all transmitters, transmissions by any device at the same frequency as an access point's radio can cause interference. Because 802.11 wireless networks operate in unlicensed bands used by many technologies, such as microwave ovens, video surveillance cameras, cordless phones, they are subject to interference.

Topics

#wireless interference#electromagnetic interference#RF signals#wireless problems

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