In the WLAN high-density deployment scenario, which of the following technologies can be used? (Multiple choice)

Question

Options

• AEnable 2.4G and 5G dual-band
• BIncrease AP transmit power
• CEnable pure N mode
• DEnable signal threshold access
• EUse indoor antenna

• A
  76% (13)
• B
  12% (2)
• E
  12% (2)

Explanation

In high-density WLAN deployments, the goal is to maximize capacity, minimize interference, and manage client associations efficiently. Enabling 2.4G and 5G dual-band (A) distributes client load across two frequency bands, reducing congestion. Pure N mode (C) eliminates legacy 802.11b/g devices that consume excessive airtime with slower rates, improving overall throughput. Signal threshold access (D) forces clients to only associate when their signal is strong enough, preventing weak-signal clients from degrading performance for everyone - a key technique in dense environments.

B is wrong because increasing AP transmit power in a high-density scenario worsens interference between neighboring APs - high-density deployments typically require lower transmit power to shrink cell size and reduce co-channel interference.

E is wrong because indoor antennas are used for coverage shaping, not high-density capacity management; they don't address the interference or client-management challenges specific to dense deployments.

Memory tip: Think of high-density as a crowded restaurant - you want to split tables across two rooms (dual-band), turn away walk-ins who live too far away (signal threshold), and serve only modern customers who order quickly (pure N mode). Don't shout louder (more power) - that just annoys the neighboring restaurants.

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