This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Computer Science Chapter 5 Networking And Cyber Security – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Computer Science Chapter 5 Networking And Cyber Security Quiz 3 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which URL(s) bring(s) you to Google's Home Page? A) Https://google.com. B) Https://gogle.com. C) Https://gooogle.com. D) All of above. Show Answer Correct Answer: A) Https://google.com. 2. What is the key point to note about webpages and the information they contain? A) What you see is all a computer will see. B) There's usually a lot of extra information for computers to work with. C) There's no hidden data on webpages. D) Computers cannot understand natural language. Show Answer Correct Answer: B) There's usually a lot of extra information for computers to work with. 3. ..... are programmes or procedures that enable hackers to maintain control of a computer system.? A) Exploits. B) Antivirus. C) Firewall. D) Worms. Show Answer Correct Answer: A) Exploits. 4. At which OSI layer does the IP protocol function? A) Data link layer. B) Network layer. C) Transport layer. D) Application layer. Show Answer Correct Answer: B) Network layer. 5. Which of the following options is the best for securing your router? A) Disable remote management on your router. B) Once the router is configured, log out as the administrator. C) Change the router's default name and password. D) All of the above. Show Answer Correct Answer: C) Change the router's default name and password. 6. What is the purpose of encryption? A) To make data unreadable to unauthorized users. B) To speed up data transfer. C) To create backups of data. D) To improve the quality of images. Show Answer Correct Answer: A) To make data unreadable to unauthorized users. 7. The internet or the storage on the internet A) Cookies. B) Cloud. C) Gateway. D) Proxy. Show Answer Correct Answer: B) Cloud. 8. Ensures that only authorized parties can view the information A) Confidentiality:. B) Cybercriminal:. C) Cybersecurity:. D) Cyberterrorism:. Show Answer Correct Answer: A) Confidentiality:. 9. Which one of the following should be reported to the national fraud and cyber crime agency? A) Phishing attempt. B) Trolling attempt. C) Broadband faults. D) Pop-up advertisements. Show Answer Correct Answer: A) Phishing attempt. 10. What does the term 'bandwidth' refer to in networking? A) The maximum rate of data transfer across a network. B) The physical distance between two network devices. C) The number of devices connected to a network. D) The type of data being transmitted. Show Answer Correct Answer: A) The maximum rate of data transfer across a network. 11. Which of the following is a type of attack on encryption that tries every possible key combination? A) Brute force attack. B) Dictionary attack. C) Collision attack. D) Rainbow table attack. Show Answer Correct Answer: A) Brute force attack. 12. Average daily time spent using Internet in India is (as per the global statistics 2023) A) 6hours 23 minutes. B) 4 hours 23 minutes. C) 8 hours 50 minutes. D) 2 hours 50 minutes. Show Answer Correct Answer: A) 6hours 23 minutes. 13. The Log4j zero-day case is best categorised as a ..... A) DDoS. B) Smurf Attack. C) Software vulnerability. D) SSRF. Show Answer Correct Answer: C) Software vulnerability. 14. Integrity ensures that stored data are A) Accurate and fast. B) Inaccurate and Authorization modification. C) Accurate and no Authorization modification. D) Inaccurate and no authorization modification. Show Answer Correct Answer: C) Accurate and no Authorization modification. 15. Which of the following usually observe each activity on the internet of the victim, gather all information in the background, and send it to someone else? A) Adware. B) Spyware. C) Malware. D) All of the above. Show Answer Correct Answer: B) Spyware. 16. Which tool is used to grab emails of a domain? A) Hunter.io. B) Subdomain.com. C) Nmap. D) Cruiz. Show Answer Correct Answer: A) Hunter.io. 17. Which of the following is intended a single, non-reusable backup media? A) Hard drive. B) CD-ROM/ DVD-ROM. C) Flash drive. D) Tape. Show Answer Correct Answer: D) Tape. 18. Which among the choices is not a security risk? A) Hacking. B) Fishing. C) Phishing. D) Smishing. E) Vishing. Show Answer Correct Answer: B) Fishing. 19. The process of converting plaintext to ciphertext. A) Cryptography. B) Cyphertext. C) Decryption. D) Encryption. Show Answer Correct Answer: D) Encryption. 20. Redirecting users to a bogus website that looks authentic is known as ..... A) Phishing. B) Pharming. C) Smishing. D) Vishing. Show Answer Correct Answer: B) Pharming. 21. Software that automatically shows or downloads advertising material (often unwanted) when a person is online. A) Adware. B) Software. C) Malware. D) Ransomware. Show Answer Correct Answer: A) Adware. 22. What is the function of a HUB in a network? A) Stores data for future retrieval. B) Connects multiple devices in a network and broadcasts data to all connected devices. C) Provides wireless connectivity to devices. D) Acts as a firewall for the network. Show Answer Correct Answer: B) Connects multiple devices in a network and broadcasts data to all connected devices. 23. ..... ensures that the individual is who she claims to be (the authentic or genuine person) A) Brokers:. B) Confidentiality:cybercriminal:. C) Authentication:. D) Cybersecurity:. E) Cyberterrorism:. Show Answer Correct Answer: C) Authentication:. 24. Which of the following is a common sign of malware infection? A) Faster internet browsing speeds. B) Receiving regular software updates. C) Increased battery life on mobile devices. D) Frequent pop-up ads appearing on the screen. Show Answer Correct Answer: D) Frequent pop-up ads appearing on the screen. 25. Which source of research would be published by the IEEE? A) TTP. B) OSINT. C) RFC. D) Twitter. Show Answer Correct Answer: C) RFC. ← 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 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 10Class 12 Computer Science Chapter 5 Networking And Cyber Security Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books