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352-001 · Question #300
352-001 Question #300: Real Exam Question with Answer & Explanation
The correct answer is B: Choose a high minimum data rate to reduce the duty cycle.. Maximizing wireless capacity in high-density environments requires reducing airtime consumption, offloading the congested 2.4-GHz band, and improving spatial reuse through directional antenna sectorization.
Question
You have been asked to design a high-density wireless network for a university campus. Which three principles would you apply in order to maximize the wireless network capacity? (Choose three.)
Options
- AIncrease the number of SSIDs to load-balance the client traffic.
- BChoose a high minimum data rate to reduce the duty cycle.
- CMake use of the 5-GHz band to reduce the spectrum utilization on 2.4 GHz when dual- band
- DEnable 802.11ag channel bonding on both 2.4 GHz and 5 GHz to increase the maximum
- EUse directional antennas to achieve better sector separation channel reuse.
- FImplement a four-channel design on 2.4 GHz to increase the number of available channels.
Explanation
Maximizing wireless capacity in high-density environments requires reducing airtime consumption, offloading the congested 2.4-GHz band, and improving spatial reuse through directional antenna sectorization.
Common mistakes.
- A. Increasing the number of SSIDs adds beacon and management frame overhead on every channel, consuming airtime and reducing capacity rather than improving it.
- D. Channel bonding on 2.4 GHz in a high-density environment is counterproductive because the band only has three non-overlapping 20-MHz channels, and bonding would consume the entire usable spectrum with a single AP.
- F. A four-channel design on 2.4 GHz is not viable because the 2.4-GHz band only supports three non-overlapping channels (1, 6, 11), making a fourth non-overlapping channel impossible.
Concept tested. High-density Wi-Fi capacity design principles
Reference. https://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/Mobility/highdwifi.html
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