想探讨下350-401题库中322题的答案

plays2

QUESTION 322
Which two methods are used to reduce the AP coverage area? (Choose two.)
A. Reduce AP transmit power.
B. Reduce channel width from 40 MHz to 20 MHz.
C. Disable 2.4 GHz and use only 5 GHz.
D. Increase minimum mandatory data rate.
E. Enable Fastlane.
Correct Answer: AD
想和大家探讨下，原文是选AD，但是感觉C选项比D更能减小覆盖，不知道我理解的是不是有问题。

thamky

Answer: AD.
According to Cisco there are two ways to reduce the AP coverage area:

- Tuning Cell Size with Transmit Power
- Tuning Cell Size with Data Rates

https://www.ciscopress.com/artic ... 186207&seqNum=2

Regardless of what other sources say, to answer this question we have to rely on the Cisco guidelines.

plays2

非常感谢回复，学习了

默默地南瓜

改了频率性质就变了 容易引入新问题 从实际看很多低端设备不支持5G

slopeysiu

game34679

學習到了

q0066421

D感觉不对啊，Increase minimum mandatory data rate，最小强制速率就是管理帧采用的速率呗，加大这个不能直接影响覆盖啊？
哪位大神辛苦帮忙解答一下