Online Privacy & Security MCQs
Online Privacy & Security MCQs Class 9
CBSE Class 9 Computer Science – MCQs with Answers & Explanations
Class: 9
Subject: Computer Science
Section: Cyber Safety and Ethics
Topic: Online Privacy & Security
Board: CBSE Board Examinations
Subject: Computer Science
Section: Cyber Safety and Ethics
Topic: Online Privacy & Security
Board: CBSE Board Examinations
These Multiple Choice Questions (MCQs) are designed strictly as per the NCERT syllabus, making them ideal for CBSE Class 9 Computer Science examination preparation.
Q1. Online privacy refers to:
Answer: b) Protecting personal information online
Explanation: Online privacy means safeguarding personal data such as passwords, phone numbers, and bank details from unauthorized access.
Explanation: Online privacy means safeguarding personal data such as passwords, phone numbers, and bank details from unauthorized access.
Q2. A strong password should contain:
Answer: c) Letters, numbers & special symbols
Explanation: Strong passwords are complex and difficult to guess, reducing the risk of hacking.
Explanation: Strong passwords are complex and difficult to guess, reducing the risk of hacking.
Q3. Phishing is:
Answer: b) Fraud attempt to steal information
Explanation: Phishing involves fake emails or websites designed to trick users into revealing sensitive information.
Explanation: Phishing involves fake emails or websites designed to trick users into revealing sensitive information.
Q4. HTTPS in a website URL indicates:
Answer: b) Secure encrypted connection
Explanation: HTTPS ensures data between user and website is encrypted for security.
Explanation: HTTPS ensures data between user and website is encrypted for security.
Q5. Sharing OTP with others is:
Answer: c) Unsafe
Explanation: OTPs are confidential verification codes and should never be shared.
Explanation: OTPs are confidential verification codes and should never be shared.
Q6. Two-factor authentication provides:
Answer: b) Extra security layer
Explanation: It requires two verification steps, increasing account safety.
Explanation: It requires two verification steps, increasing account safety.
Q7. Malware means:
Answer: b) Harmful software
Explanation: Malware includes viruses, worms, and spyware that damage systems.
Explanation: Malware includes viruses, worms, and spyware that damage systems.
Q8. Public Wi-Fi is generally:
Answer: c) Less secure
Explanation: Public networks can expose data to hackers.
Explanation: Public networks can expose data to hackers.
Q9. Updating software helps in:
Answer: b) Fixing security flaws
Explanation: Updates patch vulnerabilities and improve protection.
Explanation: Updates patch vulnerabilities and improve protection.
Q10. A firewall is used to:
Answer: b) Block unauthorized access
Explanation: Firewall monitors and controls network traffic.
Explanation: Firewall monitors and controls network traffic.
Q11. Identity theft means:
Answer: b) Stealing personal data
Explanation: Criminals misuse personal information for fraud.
Explanation: Criminals misuse personal information for fraud.
Q12. Antivirus software protects against:
Answer: b) Malware threats
Explanation: Antivirus detects and removes malicious programs.
Explanation: Antivirus detects and removes malicious programs.
Q13. Digital footprint refers to:
Answer: b) Online activity record
Explanation: It is the trace of activities left on the internet.
Explanation: It is the trace of activities left on the internet.
Q14. Safe browsing includes:
Answer: c) Avoiding suspicious websites
Explanation: It prevents exposure to scams and malware.
Explanation: It prevents exposure to scams and malware.
Q15. Cyber security aims to:
Answer: b) Protect data and networks
Explanation: It safeguards digital systems from attacks.
Explanation: It safeguards digital systems from attacks.
Q16. Using same password everywhere is:
Answer: b) Convenient but risky
Explanation: If one account is hacked, others become vulnerable.
Explanation: If one account is hacked, others become vulnerable.
Q17. Encryption is:
Answer: a) Data conversion to secret code
Explanation: Encryption secures information by making it unreadable to unauthorized users.
Explanation: Encryption secures information by making it unreadable to unauthorized users.
Q18. Backup helps in:
Answer: a) Data recovery
Explanation: Backups allow restoration of lost or corrupted data.
Explanation: Backups allow restoration of lost or corrupted data.
Q19. Social engineering attacks rely on:
Answer: a) Human manipulation
Explanation: Attackers trick people into revealing confidential information.
Explanation: Attackers trick people into revealing confidential information.
Q20. The best way to stay secure online is:
Answer: c) Follow safe security practices
Explanation: Practicing cyber hygiene ensures strong privacy and security protection.
Explanation: Practicing cyber hygiene ensures strong privacy and security protection.
