Neco 2017 Computer Studies Question 27
Practice objective / multiple choice question 27 from the 2017 Neco Computer Studies examination.
An organization enforces a password policy requiring exactly eight characters. Each character can be an uppercase letter (26), a lowercase letter (26), a digit (10) or a symbol (12). Passwords must contain at least one digit and at least one symbol.\n\na) How many different passwords satisfy the policy?\n\nb) If an attacker can test \(10^{9}\) passwords per second, estimate how long (in days, rounded to two decimal places) it would take to try half of the possible passwords.\n\nc) Does this time meet the security requirement that cracking half the key‑space should take at least two years? Answer Yes or No.
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About This Question
This is Neco 2017 Computer Studies Question 27. It is one of the objective questions from the 2017 Neco Computer Studies examination.
Difficulty level: Medium .
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