What is the characteristic of the 3-2 defense in basketball?

I- It focuses on defending players who play outside the three-second zone.
II- It aims to enhance defensive rebounding and defense of attackers who play near the basket.
III- It is a system of play with more pressure and aggressiveness.
IV- It uses both individual and zone defense at the same time.
a) I and II are correct.
b) II and III are correct.
c) III and IV are correct.
d) I and IV are correct.