A Dictionary Attack Is Being Used by an Attacker to Break

Multiple Choice

A dictionary attack is being used by an attacker to break into a network.What does this mean?

A) The attacker is using a secret list of code words.
B) The attacker is using only uppercase letters for common words.
C) The attacker is using only lowercase letter for unknown words.
D) The attacker is using known passwords and many variations of upper- and lowercase combinations.
E) All of these answers are correct.