Chapter Exam

Chapter 17: E-Commerce Security Systems — Online MCQ Test

Q: What is the main purpose of encryption in e-commerce security?

Answer: B. To convert readable data into unreadable form — Encryption changes plain text into cipher text so that unauthorized persons cannot read the data.

Q: A digital certificate is mainly used to verify the ____ of a website or user.

Answer: A. identity — A digital certificate confirms the identity of the website or user in online transactions.

COMPUTER APPLICATIONS · CLASS 12th · Tamil Nadu State Board

Practice Chapter 17: E-Commerce Security Systems with a free chapter-wise online MCQ test for Tamil Nadu State Board CLASS 12th COMPUTER APPLICATIONS. This chapter covers: This chapter covers cybersecurity threats protocols and safeguard mechanisms in online commerce. Students examine data encryption digital certificates firewalls SSL TLS protocols a.... AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter 17: E-Commerce Security Systems — Important Questions & Answers (FAQ)

Frequently asked questions from Tamil Nadu State Board CLASS 12th COMPUTER APPLICATIONS — Chapter 17: E-Commerce Security Systems, with answers and explanations. These are sample questions; the exam has its own separate question set.

What is the main purpose of encryption in e-commerce security?

A. To increase website loading speed
B. To convert readable data into unreadable form ✓
C. To store more files on a server
D. To create advertisements for customers

Answer: B. To convert readable data into unreadable form
Encryption changes plain text into cipher text so that unauthorized persons cannot read the data.

A digital certificate is mainly used to verify the ____ of a website or user.

A. identity ✓
B. payment amount
C. internet speed
D. screen resolution

Answer: A. identity
A digital certificate confirms the identity of the website or user in online transactions.

Why is a secure payment gateway important in e-commerce?

A. It helps display more product images
B. It ensures transactions are protected from fraud ✓
C. It reduces the size of product catalogs
D. It changes the currency automatically

Answer: B. It ensures transactions are protected from fraud
A secure payment gateway protects financial data and reduces the risk of fraud during online payments.

A company uses a firewall, encryption, and digital certificates together. What is the best reason for using all three?

A. To improve the color of the website
B. To provide layered protection for online transactions ✓
C. To reduce the number of customers
D. To make passwords unnecessary

Answer: B. To provide layered protection for online transactions
Using multiple security tools together gives stronger protection against different types of threats.

A website uses HTTPS, but the certificate shown by the browser is expired. What is the safest action?

A. Proceed immediately because HTTPS always guarantees trust
B. Ignore the warning if the page looks attractive
C. Avoid entering sensitive information until the certificate issue is resolved ✓
D. Disable the browser security alert

Answer: C. Avoid entering sensitive information until the certificate issue is resolved
An expired certificate can indicate a security problem, so sensitive data should not be entered until the issue is fixed.