Which of the following ports does not support hot plugging?
A.
USB 2.0
B.
Serial port (RS-232)
C.
FireWire 800
D.
FireWire 400
Explanation:
Serial port (RS-232) does not support hot plugging.
RS-232 standard is a specification for serial communication ports, also known as COM ports, serial
ports, or RS-232 ports, and is used to connect RS-232 compatible serial devices, such as modems and
pointing devices to a computer.
Answer options D, A, and C are incorrect. All these ports support hot plugging.