This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Computer Science Chapter 5 Networking And Cyber Security – Quiz 50 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Computer Science Chapter 5 Networking And Cyber Security Quiz 50 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. To hide information inside a picture, the technology used is ..... A) Rootkits. B) Bitmapping. C) Steganography. D) Image Render. Show Answer Correct Answer: C) Steganography. 2. You've downloaded a new game to your mobile phone, and it asks you for a credit card. What risk is associated with providing this information? A) Your card will be charged for excess minutes or data. B) Your card may be charged for additional components of the game that you did not request. C) Your credit card information will be provided to other game publishers. D) Your device may become infected with computer malware, virus or worms. Show Answer Correct Answer: B) Your card may be charged for additional components of the game that you did not request. 3. Don't let Apps share data and your location. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 4. A number that uniquely identifies each computer or device connected to the Internet. A) Coding. B) Server. C) Software. D) IP Address. Show Answer Correct Answer: D) IP Address. 5. Which one of the following best describes the reason for protecting commercially sensitive information? A) To prevent theft of financial details. B) To prevent spread of malware. C) To prevent computer hardware errors. D) To prevent reduced broadband speed. Show Answer Correct Answer: A) To prevent theft of financial details. 6. What type of attack continuously enters different passwords against the same account? A) Man in the middle. B) Brute force. C) Dictionary. D) Hash. Show Answer Correct Answer: B) Brute force. 7. By combining the words 'malicious' and 'software' we get the word 'malware'. What does malicious mean? A) Malicious means delicious. B) Malicious means Mali Juice. C) Malicious means harmful. D) None of these. Show Answer Correct Answer: C) Malicious means harmful. 8. What is the definition of a brute force attack? A) Repeatedly trying usernames/passwords to access a system. B) Physically threatening someone to give up personal information. C) Physically breaking into a device to hack it. D) Being a very strong hacker. Show Answer Correct Answer: A) Repeatedly trying usernames/passwords to access a system. 9. Which one of the following is actually considered as the first computer virus? A) Sasser. B) Blaster. C) Creeper. D) Both A and C. Show Answer Correct Answer: C) Creeper. 10. What does the chmod 755 filename command do? A) Changes the file's owner. B) Grants read, write, and execute permissions to all users. C) Grants full permissions to the owner, and read and execute permissions to others. D) None of the above. Show Answer Correct Answer: C) Grants full permissions to the owner, and read and execute permissions to others. 11. Sandeep was told to hack the terrorist organization and get the details to help the government.what type of hacking is this A) Hacking. B) Grey hat hacking. C) Black hat hacking. D) White hat hacking. Show Answer Correct Answer: D) White hat hacking. 12. Which of these is not a famous pieces of malware? A) Stuxnet. B) Slammer. C) Betrix. D) ILOVEYOU. Show Answer Correct Answer: C) Betrix. 13. Which of the following is a component of cyber security? A) Internet Of Things. B) AI. C) Database. D) Attacks. Show Answer Correct Answer: A) Internet Of Things. 14. What is the best password policy? A) Always write the same passwords in every link. B) Your name, personal details. C) Have random password which you can't remember. D) Never use remember password and keep complex passwords you can remember. Show Answer Correct Answer: D) Never use remember password and keep complex passwords you can remember. 15. What type of attack is a false warning, often contained in an email message claiming to come from the information technology (IT) department? A) Impersonation. B) Authentication. C) Hoax. D) Revalidation. Show Answer Correct Answer: C) Hoax. 16. What rules make an operating system to verify and make strong from incoming packets? A) Inbound rules. B) Out bound rules. C) Connection security rules. D) Paradigm rules. Show Answer Correct Answer: A) Inbound rules. 17. Which one of the following systems cannot be considered as an example of the operating systems? A) Windows 8. B) Red Hat Linux. C) BSD Linux. D) Microsoft Office. Show Answer Correct Answer: D) Microsoft Office. 18. A series of ICMP packets sent to your ports in sequence might indicate what? A) Ping floof. B) Ip spoofing. C) Sql injection. D) Sniffing. Show Answer Correct Answer: A) Ping floof. 19. ..... is a famous technological medium for the spread of malware, facing problems of spam, & phishing attacks. A) Cloud. B) Website. C) Pen drive. D) Email. Show Answer Correct Answer: D) Email. 20. What analogy does the speaker use to explain the function of cybersecurity? A) A helmet while biking. B) A fence around a house. C) A lock on a door. D) Brakes on a car. Show Answer Correct Answer: D) Brakes on a car. 21. Explain the purpose of a Bridge in networking. A) A Bridge in networking is used to create physical connections between devices. B) The purpose of a Bridge in networking is to connect multiple network segments together and reduce network traffic by filtering and forwarding data efficiently. C) Bridges are designed to improve network speed by boosting signal strength. D) The purpose of a Bridge is to enhance network security by encrypting data transmissions. Show Answer Correct Answer: B) The purpose of a Bridge in networking is to connect multiple network segments together and reduce network traffic by filtering and forwarding data efficiently. 22. How can you protect your devices from social engineering attacks? A) Share personal information freely. B) Use the same password for all accounts. C) Keep software and firmware updated. D) Disable spam filters. Show Answer Correct Answer: C) Keep software and firmware updated. 23. The kind of crime involves altering raw data just before the computer processes it and then changing it back after the processing is completed ..... A) Data diddling. B) Data tampering. C) Salami attacks. D) None of above. Show Answer Correct Answer: A) Data diddling. 24. Which is not a security principle A) Confidentiality. B) Avalability. C) Non-repudiation. D) Information assurance. Show Answer Correct Answer: D) Information assurance. 25. Fill in the blank:A password that is easy for an attacker to break is known as a ..... A) Weak password. B) Strong password. C) Encrypted password. D) Complex password. Show Answer Correct Answer: A) Weak password. ← PreviousNext →Related QuizzesClass 12 Computer Science Chapter 5 Networking And Cyber Security Quiz 1Class 12 Computer Science Chapter 5 Networking And Cyber Security Quiz 2Class 12 Computer Science Chapter 5 Networking And Cyber Security Quiz 3Class 12 Computer Science Chapter 5 Networking And Cyber Security Quiz 4Class 12 Computer Science Chapter 5 Networking And Cyber Security Quiz 5Class 12 Computer Science Chapter 5 Networking And Cyber Security Quiz 6Class 12 Computer Science Chapter 5 Networking And Cyber Security Quiz 7Class 12 Computer Science Chapter 5 Networking And Cyber Security Quiz 8Class 12 Computer Science Chapter 5 Networking And Cyber Security Quiz 9Class 12 Computer Science Chapter 5 Networking And Cyber Security Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books