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Zorluk: OrtaWireless Networking Standards and Technologies

A network technician is deploying new Wi-Fi 6 (IEEE 802.11ax) access points in a large conference hall to accommodate high-density user connections. Which of the following features supported by the IEEE 802.11ax standard directly increase transmission efficiency and capacity in high-density wireless environments? (Select TWO).

  1. OFDMA (Orthogonal Frequency Division Multiple Access) to split channels into smaller resource units for simultaneous multi-user transmissionsCevap
  2. Bi-directional (uplink and downlink) MU-MIMO support across both 2.4 GHz and 5 GHz frequency bandsCevap
  3. C
    Mandatory channel configuration utilizing adjacent channels 2, 7, and 12 to maximize 2.4 GHz bandwidth
  4. D
    Exclusive operation solely within the 5 GHz spectrum to eliminate legacy 2.4 GHz client compatibility

Cevap

The correct selections are OFDMA for dividing channels into smaller resource units and bi-directional MU-MIMO across both 2.4 GHz and 5 GHz bands.
IEEE 802.11ax (Wi-Fi 6) addresses high-density environments primarily through OFDMA (Orthogonal Frequency Division Multiple Access), which divides channels into smaller resource units to serve multiple devices concurrently, and bi-directional MU-MIMO, which allows simultaneous uplink and downlink data transfers across both 2.4 GHz and 5 GHz bands.

Adım Adım Çözüm

1
Identify the key capabilities introduced in IEEE 802.11ax (Wi-Fi 6) aimed at high client density.
Recognize that Wi-Fi 6 incorporates OFDMA and expanded bi-directional MU-MIMO.
OFDMA allocates smaller sub-channels (resource units) to different clients simultaneously, reducing latency and contention in crowded environments.
2
Evaluate the spectrum operation of IEEE 802.11ax.
Confirm 802.11ax operates on both 2.4 GHz and 5 GHz (unlike 802.11ac which operated exclusively on 5 GHz).
Operating across both bands allows 802.11ax to enhance speed and efficiency for 2.4 GHz legacy devices while leveraging 5 GHz channels.
3
Eliminate incorrect wireless spectrum configuration claims.
Reject the option specifying channels 2, 7, and 12, as well as the option claiming 5 GHz exclusivity.
Standard 2.4 GHz non-overlapping channels are 1, 6, and 11, and 802.11ax is not restricted solely to 5 GHz.

Anahtar Kavram

IEEE 802.11ax (Wi-Fi 6) Wireless Standards & High-Density Enhancements
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Wireless Networking Standards and Technologies

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