Cyber Safety Quiz - CBSE Class 12 Computer Science

Free practice quiz: Cyber Safety (CBSE Class 12 Computer Science). 20 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

Sample questions

1. Which of the following is NOT a good practice for maintaining cyber safety?

   1. Using strong, unique passwords
   2. Regularly updating software
   3. Sharing personal information on social media
   4. Being cautious of phishing emails
   Show answer

   Answer: C. Sharing personal information on social media

   Sharing personal information on social media increases the risk of identity theft and other cybercrimes. Good cyber safety practices involve protecting personal data.

2. What is two-factor authentication (2FA)?

   1. A single password login method
   2. A method using two passwords
   3. A security process requiring two forms of verification
   4. A type of encryption
   Show answer

   Answer: C. A security process requiring two forms of verification

   2FA enhances security by requiring two separate verification methods, such as a password and a code from your phone.

3. Analyze the vulnerabilities of IoT devices and strategies for mitigating risks.

   1. Limited security features
   2. Lack of software updates
   3. Potential for unauthorized access
   4. All of the above
   Show answer

   Answer: D. All of the above

   IoT devices often have limited security, lack updates, and are vulnerable to unauthorized access, requiring careful security measures.

4. Explain the importance of data privacy and its relevance to cyber safety.

   1. Protecting sensitive personal information
   2. Preventing unauthorized access to data
   3. Maintaining user control over personal information
   4. All of the above
   Show answer

   Answer: D. All of the above

   Data privacy is paramount in ensuring cyber safety by protecting sensitive information and user control over their data.

5. Explain the concept of blockchain technology and its potential applications in enhancing cybersecurity.

   1. Distributed ledger technology
   2. Improved data integrity and transparency
   3. Enhanced security and immutability
   4. All of the above
   Show answer

   Answer: D. All of the above

   Blockchain offers potential benefits in cybersecurity through its features of distributed ledger, data integrity, and immutability.

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