Which of the following statements are TRUE about radio resource management? (Multiple Choice)

Which of the following statements are TRUE about radio resource management? (Multiple Choice)
A . Radio waves will attenuate when they are transmitted over air, degrading service quality for wireless users. Therefore, radio resource management is needed.
B . Radio resource management enables a WLAN to adapt to changes in the radio environment by dynamically adjusting radio resources.
C . Radio resource management can improve Internet experience of users.
D . Radio resource management can improve user access security.

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Answer: ABC