What is the cause of the signal strength problem?

You operate a 5 GHz network where 2.4 GHz is not supported. A user reports that their client devices have very poor signal strength under a specific access point. Other users in this area are not experiencing problems.

What is the cause of the signal strength problem?
A . The user’s client device does not support the channel that the AP is on.
B . There are not enough access points to cover the area.
C . The user’s client device supports only the 2.4 GHz band.
D . The closest access point is affected by a DFS event.

Answer: A