Password Security MCQs
Password Security MCQs
With Answers & Detailed Explanations (As Per NCERT Syllabus)
Class: 9 |
Subject: Computer Science |
Section: Computer Security & Data Protection |
Topic: Password Security |
Board: CBSE Board Examination
Q1. A password is used to:
Answer: B
A password secures user accounts and prevents unauthorized access to systems and data.
A password secures user accounts and prevents unauthorized access to systems and data.
Q2. A strong password should include:
Answer: C
Combining uppercase, lowercase, numbers and special characters increases password strength.
Combining uppercase, lowercase, numbers and special characters increases password strength.
Q3. Sharing passwords is:
Answer: C
Sharing passwords increases risk of hacking and unauthorized access.
Sharing passwords increases risk of hacking and unauthorized access.
Q4. OTP stands for:
Answer: A
OTP is a temporary password used for additional security verification.
OTP is a temporary password used for additional security verification.
Q5. Two-factor authentication provides:
Answer: B
It requires two types of verification, making accounts more secure.
It requires two types of verification, making accounts more secure.
Q6. Using birth date as password is:
Answer: B
Personal details are easy to guess, making passwords weak.
Personal details are easy to guess, making passwords weak.
Q7. Password length should be at least:
Answer: C
Longer passwords are harder to crack and provide better security.
Longer passwords are harder to crack and provide better security.
Q8. Changing passwords regularly:
Answer: B
Regular updates prevent long-term misuse of compromised passwords.
Regular updates prevent long-term misuse of compromised passwords.
Q9. Password cracking means:
Answer: B
Hackers attempt to guess or decode passwords illegally.
Hackers attempt to guess or decode passwords illegally.
Q10. CAPTCHA helps to:
Answer: A
CAPTCHA ensures that login attempts are made by humans, not automated bots.
CAPTCHA ensures that login attempts are made by humans, not automated bots.
Q11. Using same password everywhere is:
Answer: B
If one account is hacked, all others become vulnerable.
If one account is hacked, all others become vulnerable.
Q12. Password manager helps to:
Answer: A
Password managers securely store complex passwords.
Password managers securely store complex passwords.
Q13. Shoulder surfing means:
Answer: A
It involves spying on someone entering their password.
It involves spying on someone entering their password.
Q14. Encryption protects:
Answer: A
Encryption converts readable data into coded form for protection.
Encryption converts readable data into coded form for protection.
Q15. Biometric authentication uses:
Answer: B
Biometric systems verify identity using physical traits.
Biometric systems verify identity using physical traits.
Q16. Phishing steals passwords through:
Answer: A
Attackers trick users into entering passwords on fake websites.
Attackers trick users into entering passwords on fake websites.
Q17. Logout after use is:
Answer: B
Logging out prevents unauthorized access.
Logging out prevents unauthorized access.
Q18. Password hint should:
Answer: B
Password hints must not clearly reveal the password.
Password hints must not clearly reveal the password.
Q19. Brute force attack tries:
Answer: A
Brute force attack attempts every possible combination to guess password.
Brute force attack attempts every possible combination to guess password.
Q20. Best password practice includes:
Answer: B
Using strong and unique passwords ensures better account protection.
Using strong and unique passwords ensures better account protection.
