A dictionary attack works by hashing all the words in a dictionary and then comparing the hashed value with the system password file to discover a match.

A. True

B. False

True

Explanation:

A dictionary attack is an attempts to gain illegal access to a computer system by hashing all the words in a dictionary and then systematically entering each hashed value as a password so as to discover a match. it has been the most successful password guessing technique over the years because many users and organization use ordinary words as passwords.