Safe web browsing MCQs Quiz | Class 9
This is an interactive MCQs quiz for Class IX students of Subject: Computer Applications (Code 165), based on Unit 2: Cyber Safety. The questions cover important topics like recognizing safe websites, understanding the concept of HTTPS, and how to avoid risky links. Attempt all questions and click “Submit Quiz” to see your score and download your answers in a PDF file.
Understanding Safe Web Browsing
Safe web browsing is a critical skill in today’s digital world. It involves being aware of online threats and taking steps to protect your personal information, devices, and privacy. The topics covered in this quiz—recognizing safe sites, understanding HTTPS, and avoiding risky links—are the fundamental pillars of online safety.
Key Concepts for Cyber Safety
1. Recognizing Safe and Secure Websites
Not all websites are created equal. Some are designed to trick you into giving away sensitive information. Here’s how to spot a safe one:
- Look for HTTPS: The URL in the address bar should start with “https://”. The ‘S’ stands for “Secure” and means the data exchanged between your browser and the website is encrypted.
- The Padlock Icon: Modern browsers display a small padlock icon next to the URL for secure sites. Clicking on it often provides details about the site’s security certificate.
- Check the Domain Name: Scammers often create websites with domain names that are very similar to popular sites (e.g., “g00gle.com” instead of “google.com”). Always double-check the spelling.
- Professional Design: While not a foolproof method, legitimate websites usually have a professional design, free of major spelling and grammar errors.
2. The Idea Behind HTTPS
HTTPS (Hypertext Transfer Protocol Secure) is the secure version of HTTP. When you visit an HTTP website, any data you send (like passwords or credit card numbers) is transmitted as plain text, which can be easily intercepted by hackers on the same network. HTTPS uses an encryption protocol (like TLS/SSL) to scramble this data, making it unreadable to anyone who might intercept it. It ensures confidentiality and integrity.
| Feature | HTTP (Insecure) | HTTPS (Secure) |
|---|---|---|
| URL Prefix | http:// | https:// |
| Data Transmission | Plain Text | Encrypted |
| Security | Vulnerable to snooping | Protects against snooping |
| Browser Indication | “Not Secure” warning | Padlock icon |
3. Avoiding Risky Links and Phishing
Phishing is a common cyber-attack where criminals impersonate legitimate organizations via email, text message, or other channels to trick you into revealing sensitive information. Risky links are the primary tool for phishing.
- Don’t Trust Unsolicited Messages: Be wary of unexpected emails or messages, even if they appear to be from a known contact or company.
- Hover Before You Click: On a computer, you can move your mouse cursor over a link (without clicking) to see the actual destination URL in the bottom corner of your browser. If it looks suspicious or doesn’t match the link text, don’t click it.
- Beware of Urgent Language: Phishing attempts often use urgent or threatening language (e.g., “Your account will be suspended!”) to pressure you into acting quickly without thinking.
Quick Revision Checklist
- ✔ Always check for “https://” and the padlock icon before entering personal data.
- ✔ Be critical of emails asking for passwords or financial information.
- ✔ Use strong, unique passwords for different online accounts.
- ✔ Keep your browser and operating system updated to get the latest security patches.
- ✔ Avoid using public Wi-Fi for sensitive activities like online banking.
Extra Practice Questions
- What is the full form of SSL, a protocol that helps secure websites?
- Why is it a bad idea to use the same password for your email and your social media account?
- If you receive an email with a link to reset your bank password but you didn’t request it, what should you do?
- What is “malware”?
- Describe one way to verify if a website address is legitimate before clicking on it.
