Internet & Virus MCQs (201-300)

Which of the following is a web browser?
a) Chrome
b) Gmail
c) Zoom
d) Word
Answer: a) Chrome
Which browser is developed by Mozilla Foundation?
a) Firefox
b) Chrome
c) Edge
d) Safari
Answer: a) Firefox
Which browser is the default on Windows 10 and 11?
a) Microsoft Edge
b) Chrome
c) Firefox
d) Opera
Answer: a) Microsoft Edge
Which of the following browsers is based on Chromium?
a) Google Chrome
b) Safari
c) Firefox
d) Internet Explorer
Answer: a) Google Chrome
Which browser feature stores visited websites for faster loading later?
a) Cache
b) Cookie
c) History
d) Bookmark
Answer: a) Cache
Which of the following is used to save website addresses for future reference?
a) Bookmark
b) Cache
c) Cookie
d) History
Answer: a) Bookmark
Which browser feature stores login credentials for websites?
a) Password manager
b) Cache
c) History
d) Bookmark
Answer: a) Password manager
Which of the following is a lightweight browser known for speed and privacy?
a) Opera
b) Chrome
c) Edge
d) Safari
Answer: a) Opera
Which browser is developed by Apple?
a) Safari
b) Firefox
c) Chrome
d) Edge
Answer: a) Safari
Which browser feature deletes temporary files and history automatically?
a) Private browsing (Incognito)
b) Bookmark
c) Cookie
d) Cache
Answer: a) Private browsing (Incognito)
Which of these browsers supports extensions and add-ons?
a) Chrome
b) Internet Explorer
c) Safari
d) Edge
Answer: a) Chrome
Which of the following is a portable browser that can run from a USB drive?
a) Portable Firefox
b) Chrome
c) Safari
d) Edge
Answer: a) Portable Firefox
Which browser setting blocks pop-ups?
a) Pop-up blocker
b) History
c) Cache
d) Cookie
Answer: a) Pop-up blocker
Which of the following is an open-source browser?
a) Firefox
b) Chrome
c) Safari
d) Edge
Answer: a) Firefox
Which browser feature helps in storing small pieces of website data?
a) Cookies
b) Cache
c) Bookmark
d) History
Answer: a) Cookies
Which browser is known for its built-in VPN?
a) Opera
b) Chrome
c) Firefox
d) Edge
Answer: a) Opera
Which of these is a browser toolbar feature?
a) Navigation buttons
b) Cache
c) Cookies
d) History
Answer: a) Navigation buttons
Which browser supports reading mode for distraction-free web reading?
a) Firefox
b) Chrome
c) Edge
d) Safari
Answer: a) Firefox
Which browser allows synchronization across multiple devices?
a) Chrome
b) Internet Explorer
c) Safari
d) Edge
Answer: a) Chrome
Which of the following is a common type of computer virus?
a) Trojan
b) Cookie
c) Cache
d) Bookmark
Answer: a) Trojan
Which type of virus disguises itself as legitimate software?
a) Trojan
b) Worm
c) Spyware
d) Adware
Answer: a) Trojan

A virus that spreads without user intervention via networks is called:
a) Worm
b) Trojan
c) Spyware
d) Rootkit
Answer: a) Worm
Which virus hides its presence and controls a system remotely?
a) Rootkit
b) Worm
c) Trojan
d) Adware
Answer: a) Rootkit
Malware that records keystrokes to steal information is called:
a) Keylogger
b) Trojan
c) Worm
d) Adware
Answer: a) Keylogger
A virus that attaches itself to files and programs is called:
a) File-infecting virus
b) Trojan
c) Worm
d) Spyware
Answer: a) File-infecting virus
Malware designed to display unwanted ads is called:
a) Adware
b) Worm
c) Trojan
d) Keylogger
Answer: a) Adware
Which of the following is used to remove viruses from a computer?
a) Antivirus
b) Browser
c) Firewall
d) Cookie
Answer: a) Antivirus
Which browser security feature warns users about malicious websites?
a) Safe Browsing
b) Bookmark
c) History
d) Cache
Answer: a) Safe Browsing
Which of the following viruses is often spread via email attachments?
a) Email virus
b) Trojan
c) Worm
d) Spyware
Answer: a) Email virus
Malware that encrypts files and demands ransom is called:
a) Ransomware
b) Trojan
c) Worm
d) Spyware
Answer: a) Ransomware
Which of these is a free malware removal tool?
a) Malwarebytes
b) Chrome
c) Firefox
d) Edge
Answer: a) Malwarebytes
Which browser feature prevents tracking by websites?
a) Do Not Track
b) Bookmark
c) History
d) Cache
Answer: a) Do Not Track
Malware that spreads through USB drives is called:
a) Autorun virus
b) Trojan
c) Spyware
d) Adware
Answer: a) Autorun virus
A virus that activates at a specific date or time is called:
a) Logic bomb
b) Worm
c) Trojan
d) Spyware
Answer: a) Logic bomb
Malware that secretly collects information about a user is called:
a) Spyware
b) Trojan
c) Worm
d) Keylogger
Answer: a) Spyware
Which of the following is a browser extension that protects against malicious websites?
a) Antivirus plugin
b) Cache
c) Cookie
d) History
Answer: a) Antivirus plugin
Malware that infects the system boot sector is called:
a) Boot sector virus
b) Trojan
c) Worm
d) Adware
Answer: a) Boot sector virus
Which of these browser settings enhances online security by clearing data after each session?
a) Clear browsing data on exit
b) Enable pop-ups
c) Save passwords
d) Bookmark all pages
Answer: a) Clear browsing data on exit
Malware disguised as legitimate antivirus software is called:
a) Rogue security software
b) Trojan
c) Worm
d) Keylogger
Answer: a) Rogue security software
Which type of malware replicates itself and spreads to other computers?
a) Worm
b) Trojan
c) Spyware
d) Adware
Answer: a) Worm

Which of these protects a computer from unauthorized network access?
a) Firewall
b) Cache
c) Cookie
d) History
Answer: a) Firewall
Malware that installs additional malicious programs without user consent is called:
a) Downloader
b) Trojan
c) Worm
d) Spyware
Answer: a) Downloader
Which type of malware tricks users into clicking links to steal personal information?
a) Phishing
b) Worm
c) Trojan
d) Spyware
Answer: a) Phishing
Which browser feature blocks scripts from running on suspicious websites?
a) Script blocker
b) Bookmark
c) Cache
d) History
Answer: a) Script blocker
Malware that changes system settings to disrupt operation is called:
a) Virus
b) Worm
c) Trojan
d) Spyware
Answer: a) Virus
Which of the following protects browsers against malicious downloads?
a) Download scanner
b) Cache
c) Cookie
d) History
Answer: a) Download scanner
Malware that secretly mines cryptocurrency on your computer is called:
a) Cryptojacker
b) Trojan
c) Worm
d) Spyware
Answer: a) Cryptojacker
Malware that locks screens or devices until a ransom is paid is called:
a) Ransomware
b) Trojan
c) Worm
d) Adware
Answer: a) Ransomware
Malware that automatically sends itself to contacts in email is called:
a) Email worm
b) Trojan
c) Spyware
d) Adware
Answer: a) Email worm
Which browser feature warns about unsafe downloads or files?
a) Security warnings
b) Cache
c) Bookmark
d) History
Answer: a) Security warnings
Malware that monitors online activity for sensitive data is called:
a) Spyware
b) Worm
c) Trojan
d) Adware
Answer: a) Spyware
Which type of virus modifies system files to remain undetectable?
a) Polymorphic virus
b) Trojan
c) Worm
d) Keylogger
Answer: a) Polymorphic virus
Malware that displays fake system alerts to scare users is called:
a) Scareware
b) Trojan
c) Worm
d) Adware
Answer: a) Scareware
Which of these browser settings enhances privacy while browsing?
a) Private/Incognito mode
b) Enable pop-ups
c) Save passwords
d) Allow cookies
Answer: a) Private/Incognito mode
Malware that logs network traffic to steal information is called:
a) Packet sniffer
b) Worm
c) Trojan
d) Keylogger
Answer: a) Packet sniffer
Malware that activates when a specific condition is met is called:
a) Logic bomb
b) Trojan
c) Worm
d) Spyware
Answer: a) Logic bomb
Which of these browser features blocks access to known phishing websites?
a) Anti-phishing filter
b) Cache
c) Bookmark
d) History
Answer: a) Anti-phishing filter
Malware that changes the homepage or search engine of a browser is called:
a) Browser hijacker
b) Trojan
c) Worm
d) Spyware
Answer: a) Browser hijacker
Malware that secretly installs ads or toolbars without permission is called:
a) Adware
b) Worm
c) Trojan
d) Keylogger
Answer: a) Adware
Malware that exploits vulnerabilities in software to spread is called:
a) Exploit
b) Worm
c) Trojan
d) Spyware
Answer: a) Exploit
1. Which browser feature blocks tracking scripts from collecting data?
  a) Do Not Track
  b) Cache
  c) Bookmark
  d) History
  Answer: a) Do Not Track
2. Which of the following browsers is known for strong privacy features by default?
  a) Brave
  b) Chrome
  c) Edge
  d) Internet Explorer
  Answer: a) Brave
3. Which browser feature prevents automatic downloads from unsafe sites?
  a) Download protection
  b) Bookmark
  c) Cache
  d) History
  Answer: a) Download protection
4. Which of these browsers allows users to manage site permissions (camera, microphone, location)?
  a) Chrome
  b) Firefox
  c) Safari
  d) All of the above
  Answer: d) All of the above
5. Which browser feature removes tracking cookies and browsing history after closing the browser?
  a) Private browsing / Incognito mode
  b) Cache
  c) Bookmark
  d) Autofill
  Answer: a) Private browsing / Incognito mode
6. Which type of virus can infect both files and the boot sector?
  a) Hybrid virus
  b) Trojan
  c) Worm
  d) Adware
  Answer: a) Hybrid virus
7. Which of these is an online security measure to prevent identity theft?
  a) Two-factor authentication
  b) Cache
  c) Bookmark
  d) History
  Answer: a) Two-factor authentication
8. Which browser feature warns about entering passwords on insecure (non-HTTPS) websites?
  a) Security warning
  b) Cache
  c) Bookmark
  d) History
  Answer: a) Security warning
9. Which type of malware pretends to be legitimate software but performs malicious activities?
  a) Trojan
  b) Worm
  c) Adware
  d) Keylogger
  Answer: a) Trojan
10. Which browser feature automatically fills forms and passwords securely?
  a) Autofill / Password manager
  b) Cache
  c) Bookmark
  d) History
  Answer: a) Autofill / Password manager
11. Malware that self-replicates and spreads over the internet without user action is called:
  a) Worm
  b) Trojan
  c) Spyware
  d) Adware
  Answer: a) Worm
12. Which of the following is a recommended practice to prevent malware infection?
  a) Regularly update software
  b) Use outdated software
  c) Disable antivirus
  d) Click unknown links
  Answer: a) Regularly update software
13. Malware that hijacks system resources to mine cryptocurrency secretly is called:
  a) Cryptojacker
  b) Trojan
  c) Worm
  d) Adware
  Answer: a) Cryptojacker
14. Which browser security feature checks website certificates for authenticity?
  a) SSL/TLS validation
  b) Cache
  c) Bookmark
  d) History
  Answer: a) SSL/TLS validation
15. Which of the following viruses can remain dormant until activated by a specific action?
  a) Logic bomb
  b) Trojan
  c) Worm
  d) Adware
  Answer: a) Logic bomb
16. Malware that collects sensitive information such as banking details is called:
  a) Spyware
  b) Trojan
  c) Worm
  d) Adware
  Answer: a) Spyware
17. Which of the following prevents websites from tracking user activities across the web?
  a) VPN (Virtual Private Network)
  b) Cache
  c) Bookmark
  d) History
  Answer: a) VPN (Virtual Private Network)
18. Which browser security measure blocks malicious scripts from running automatically?
  a) Script blocker
  b) Cache
  c) Bookmark
  d) History
  Answer: a) Script blocker
19. Malware that redirects browsers to unwanted websites is called:
  a) Browser hijacker
  b) Trojan
  c) Worm
  d) Spyware
  Answer: a) Browser hijacker
20. Which of these practices improves safe browsing on the Internet?
  a) Avoid clicking unknown links
  b) Open unknown email attachments
  c) Disable antivirus
  d) Use outdated browsers
  Answer: a) Avoid clicking unknown links
  1. Malware that records user actions on a device is called:
    a) Keylogger
    b) Trojan
    c) Worm
    d) Adware
    Answer: a) Keylogger
  2. Which of the following browsers has built-in phishing and malware protection?
    a) Chrome
    b) Internet Explorer
    c) Safari
    d) Opera
    Answer: a) Chrome
  3. Which of these protects a computer from unauthorized access over a network?
    a) Firewall
    b) Cache
    c) Cookie
    d) History
    Answer: a) Firewall
  4. Malware that disguises itself as a useful program but steals information is called:
    a) Trojan
    b) Worm
    c) Spyware
    d) Adware
    Answer: a) Trojan
  5. Which of these browser settings increases security by not saving passwords automatically?
    a) Disable password saving
    b) Enable autofill
    c) Enable cookies
    d) Enable pop-ups
    Answer: a) Disable password saving
  6. Malware that spreads via infected email attachments is called:
    a) Email virus
    b) Trojan
    c) Worm
    d) Spyware
    Answer: a) Email virus
  7. Which of these practices prevents browser hijacking?
    a) Avoid installing unknown extensions
    b) Click all pop-ups
    c) Download from unknown sources
    d) Disable antivirus
    Answer: a) Avoid installing unknown extensions
  8. Malware that encrypts files and demands payment to decrypt is called:
    a) Ransomware
    b) Trojan
    c) Worm
    d) Adware
    Answer: a) Ransomware
  9. Which browser feature allows viewing website content without storing history?
    a) Incognito / Private mode
    b) Cache
    c) Bookmark
    d) History
    Answer: a) Incognito / Private mode
  10. Malware that silently collects personal data without the user’s consent is called:
    a) Spyware
    b) Worm
    c) Trojan
    d) Adware
    Answer: a) Spyware
  11. Which of the following is recommended to prevent malware infection?
    a) Keep operating system and browsers updated
    b) Disable antivirus
    c) Click unknown links
    d) Use outdated software
    Answer: a) Keep operating system and browsers updated
  12. Malware that shows fake alerts to scare users into buying software is called:
    a) Scareware
    b) Trojan
    c) Worm
    d) Spyware
    Answer: a) Scareware
  13. Which browser feature protects against visiting fake websites?
    a) Anti-phishing filter
    b) Cache
    c) Bookmark
    d) History
    Answer: a) Anti-phishing filter
  14. Malware that spreads via removable drives like USB sticks is called:
    a) Autorun virus
    b) Trojan
    c) Worm
    d) Spyware
    Answer: a) Autorun virus
  15. Which of these improves online privacy while browsing?
    a) Use VPN
    b) Enable cookies for all sites
    c) Save passwords on all sites
    d) Disable antivirus
    Answer: a) Use VPN
  16. Malware that changes browser settings to redirect searches is called:
    a) Browser hijacker
    b) Trojan
    c) Worm
    d) Adware
    Answer: a) Browser hijacker
  17. Which type of malware exploits software vulnerabilities to gain control of a system?
    a) Exploit
    b) Worm
    c) Trojan
    d) Spyware
    Answer: a) Exploit
  18. Malware that secretly mines cryptocurrency using your computer resources is called:
    a) Cryptojacker
    b) Trojan
    c) Worm
    d) Spyware
    Answer: a) Cryptojacker
  19. Which browser security feature blocks harmful scripts from running on a webpage?
    a) Script blocker
    b) Cache
    c) Bookmark
    d) History
    Answer: a) Script blocker
  20. The safest practice to avoid viruses while browsing is:
    a) Avoid visiting unknown or suspicious websites
    b) Download unknown files
    c) Click on pop-ups
    d) Disable firewall
    Answer: a) Avoid visiting unknown or suspicious websites

Internet & Virus MCQs (201-300)

Leave a Comment Cancel Reply