City Guilds Model Questions Vol1 2023 Information Technology Question 20

Practice objective / multiple choice question 20 from the 2023 City Guilds Model Questions Vol1 Information Technology examination.

City Guilds Model Questions Vol1 2023 Information Technology Objective / Multiple Choice Medium Difficulty
Question 20 CITY_GUILDS_MODEL_QUESTIONS_VOL1 • 2023 • INFORMATION_TECHNOLOGY • objective

A password policy requires exactly 6 characters. Each character can be chosen from four categories: 2 uppercase letters, 2 lowercase letters, 2 digits, and 2 symbols. A valid password must contain **at least one** character from each category. (a) How many distinct passwords satisfy the policy? (b) If an attacker guesses passwords uniformly at random, what is the probability that the correct password is found within the first 10 attempts?

Answer Options

A. a) 99,840 passwords; b) probability = 1\/9,984 ≈ 0.0002004
Correct Answer B. a) 99,840 passwords; b) probability = 1/9,984 ≈ 0.0001002
C. a) 98,560 passwords; b) probability = 1\/9,856 ≈ 0.0001015
D. a) 100,800 passwords; b) probability = 1\/10,080 ≈ 0.0000992
Correct Answer
B
Correct Option:
a) 99,840 passwords; b) probability = 1/9,984 ≈ 0.0001002

About This Question

This is City Guilds Model Questions Vol1 2023 Information Technology Question 20. It is one of the objective questions from the 2023 City Guilds Model Questions Vol1 Information Technology examination.

Difficulty level: Medium .

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