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PW0-071 · Question #11

The Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) protocol is necessary in Wi-Fi networks because ___________.

The correct answer is D. The wireless transmission medium is half-duplex, thus shared by all users. See the full explanation below for the reasoning.

Question

The Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) protocol is necessary in Wi-Fi networks because ___________.

Options

  • ARF transmissions can be captured and decrypted without CSMA/CA.
  • BWi-Fi clients need a standardized method of conserving battery power.
  • C802.11g and 802.11b transceivers need an interpreter for compatibility.
  • DThe wireless transmission medium is half-duplex, thus shared by all users.
  • EWireless data must be converted to a format that is compatible with Ethernet networks.

How the community answered

(52 responses)
  • A
    2% (1)
  • B
    10% (5)
  • C
    8% (4)
  • D
    79% (41)
  • E
    2% (1)

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