Chapter Exam

Chapter 17: Computer Ethics and Cyber Security — Online MCQ Test

Q: What is the main purpose of a firewall?

Answer: B. To monitor and control network traffic — A firewall helps protect a computer or network by monitoring and controlling incoming and outgoing traffic based on security rules.

Q: Which of the following is an example of malicious software?

Answer: C. Virus — A virus is a type of malicious software designed to damage, disrupt, or spread itself to other files or systems.

Q: A student receives an email asking for bank details and a password. What should the student do?

Answer: B. Delete the email and inform a trusted adult — Such emails may be phishing attempts. The correct action is to avoid responding and report it to a trusted person.

Q: A computer suddenly becomes slow, shows unwanted pop-ups, and some files are missing. What is the most likely cause?

Answer: B. Malware infection — Malware can cause slow performance, pop-ups, and file damage or loss by interfering with normal computer operations.

COMPUTER APPLICATIONS · CLASS 11th · Tamil Nadu State Board

Practice Chapter 17: Computer Ethics and Cyber Security with a free chapter-wise online MCQ test for Tamil Nadu State Board CLASS 11th COMPUTER APPLICATIONS. This chapter covers: The final chapter covers digital ethics cyber crimes malicious software security threats and protection measures. Students study firewalls cryptography ethical internet behavior gu.... AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter 17: Computer Ethics and Cyber Security — Important Questions & Answers (FAQ)

Frequently asked questions from Tamil Nadu State Board CLASS 11th COMPUTER APPLICATIONS — Chapter 17: Computer Ethics and Cyber Security, with answers and explanations. These are sample questions; the exam has its own separate question set.

What is the main purpose of a firewall?

A. To store backup files
B. To monitor and control network traffic ✓
C. To increase monitor brightness
D. To compress large files

Answer: B. To monitor and control network traffic
A firewall helps protect a computer or network by monitoring and controlling incoming and outgoing traffic based on security rules.

Which of the following is an example of malicious software?

A. Antivirus
B. Firewall
C. Virus ✓
D. Backup utility

Answer: C. Virus
A virus is a type of malicious software designed to damage, disrupt, or spread itself to other files or systems.

A student receives an email asking for bank details and a password. What should the student do?

A. Reply immediately with the details
B. Delete the email and inform a trusted adult ✓
C. Forward it to everyone
D. Open all attachments first

Answer: B. Delete the email and inform a trusted adult
Such emails may be phishing attempts. The correct action is to avoid responding and report it to a trusted person.

A computer suddenly becomes slow, shows unwanted pop-ups, and some files are missing. What is the most likely cause?

A. Hardware upgrade
B. Malware infection ✓
C. System backup
D. Screen calibration

Answer: B. Malware infection
Malware can cause slow performance, pop-ups, and file damage or loss by interfering with normal computer operations.

Which of the following is the best reason for following computer ethics in school labs?

A. To reduce monitor size
B. To ensure fair use, privacy, and responsible behavior ✓
C. To make computers work without electricity
D. To avoid using any software

Answer: B. To ensure fair use, privacy, and responsible behavior
Computer ethics promote responsible use of technology, respect for privacy, and fairness in handling digital resources.