Prime numbers only

August 8, 2012



Which of these events would commonly involve a hash?

A) Copy data to a USB memory stick

B) Start your browser

C) Store a password

D) Install a new hardware driver

E) Pick lottery numbers


The answer: C) Store a password

To protect the original password, the plaintext of the password is usually hashed. This hashed data is stored as the password and the hashing is recreated and compared with each authentication attempt. Since the hash cannot be reversed, the original password text remains private.

Want to know more? Watch “Security Fundamentals.”

There are fundamental security techniques that every CompTIA A+ certified professional should know. In this video, you’ll learn about encryption technologies, data wiping, authentication technologies, and much more.

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Category: CompTIA A+ Pop Quizzes

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