Which of the following types of attack almost always requires physical access to the targets?

A.
Direct access attack

B.
Wireless attack

C.
Port attack

D.
Window attack

E.
System attack

F.
None of the choices.

Explanation:
Direct access attacks make use of common consumer devices that can be used to transfer data surreptitiously.
Someone gaining physical access to a computer can install all manner of devices to compromise security,
including operating system modifications, software worms, keyboard loggers, and covert listening devices. The
attacker can also easily download large quantities of data onto backup media or portable devices.