Q492
The most common systems security method is
A.
passwords
AnswerB.
encryption
C.
firewall
D.
all of the above
E.
None of the above
Answer: Option A
Solution
Answer: Option A
Solution:
The most common systems security method is passwords.Password : A password is a string of characters used for authenticating a user on a computer system. Most passwords are comprised of several characters, which can typically include letters, numbers, and most symbols, but not spaces.