Global tuning, the AC runs () and () algorithms based on neighbor relationship, interference, and load information to generate a new transmit power and working channel for the AP, and then sends…

Question

Options

• AEDCA
• BDCA
• CCAC
• DTPC

• A
  8% (2)
• B
  79% (19)
• C
  13% (3)

Explanation

DCA (Dynamic Channel Assignment) and TPC (Transmit Power Control) are the two RF optimization algorithms used in AC global tuning. DCA analyzes neighbor relationships, co-channel interference, and load to automatically assign the optimal working channel to each AP, while TPC uses the same inputs to calculate and push optimal transmit power levels - together addressing exactly the two parameters the question names: channel and power.

EDCA (Enhanced Distributed Channel Access) is wrong because it is a QoS mechanism that prioritizes different traffic categories at the MAC layer (voice, video, best-effort, background) - it has nothing to do with channel selection or power control. CAC (Call Admission Control) is wrong because it governs whether new traffic sessions are admitted to protect existing flows' QoS, not a radio frequency tuning function.

Memory tip: Think of the two outputs the question asks about - Channel → DCA, Power → TPC. The pair "DCA + TPC" maps directly to "channel + power," making them easy to lock in as the correct pair whenever you see global/automatic RF tuning described.

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