This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Computer Science Chapter 5 Networking And Cyber Security – Quiz 33 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Computer Science Chapter 5 Networking And Cyber Security Quiz 33 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Fill in the blank:An attack in which the same account is continuously attacked by entering different passwords is called ..... A) Online brute force attack:. B) Dictionary attack. C) SQL injection. D) Phishing attack. Show Answer Correct Answer: A) Online brute force attack:. 2. Which one of the following best describes a direct consequence of identity theft? A) Your keyboard or mouse may stop working. B) Your broadband connection may suffer from reduced speed. C) Your computer may take longer to start. D) Your e-mail account may be accessed by someone else. Show Answer Correct Answer: D) Your e-mail account may be accessed by someone else. 3. Before you enter your private and personal information online, you should find out: A) How the company collecting your information will protect it. B) Why the company needs it. C) With whom it might be shared. D) All of the above. Show Answer Correct Answer: D) All of the above. 4. Menyebarkan informasi tanpa mengecek kebenarannya melalui media sosial A) Benar. B) Salah. C) All the above. D) None of the above. Show Answer Correct Answer: B) Salah. 5. You turn on a laptop computer and the hard drive is not recognized. Where should you go to troubleshoot the issue? A) Boot sector manager. B) S.M.A.R.T. diagnostics. C) Windows Device Manager. D) BIOS/UEFI. Show Answer Correct Answer: D) BIOS/UEFI. 6. Is the unauthorised access to a computer system. A) Hacking. B) Cracking. C) Firewall. D) Keylogger. E) Spam. Show Answer Correct Answer: A) Hacking. 7. Which one of the following is most likely to manage the authentication, authorization and accounting within a computer network? A) The support staff. B) The network administrator. C) The IT manager. D) The CEO of the company. Show Answer Correct Answer: B) The network administrator. 8. Which of the following is independent malicious program that need not any host program? A) Trap doors. B) Trojan horse. C) Virus. D) Worm. Show Answer Correct Answer: D) Worm. 9. A type of VPN A) PACKET FILTER. B) SSL. C) RANSOMWARE. D) PROXY SERVER. Show Answer Correct Answer: B) SSL. 10. A networked group of computers used by hackers to steal information is referred to asa ..... ? A) DDoS. B) Operating system. C) Botnet. D) Rootkit. Show Answer Correct Answer: C) Botnet. 11. You just placed an order with:Orbitz, Priceline.com, Buy.com, 1-800Flowers, Continental Airlines, and Fandango. Because you entered your email in the "free coupon" pop-up ad afterwards you get ..... A) A $ 10 off coupon on your next order sent to your email. B) A $ 10 off coupon on your next order sent with your order. C) A repeating charge from a "web loyalty" company on your credit card. D) None of these are correct. Show Answer Correct Answer: C) A repeating charge from a "web loyalty" company on your credit card. 12. Which of the following is not true about cyber security? A) Recent data breaches have released personal information of hundreds of millions of people. B) Cyber security is the protection of computer systems, networks, and data from digital attacks. C) As we rely more on computing devices to store and send data, we increase our vulnerability to cyber attacks. D) Cyber attacks can devastate large organizations, but individuals are largely unaffected. Show Answer Correct Answer: D) Cyber attacks can devastate large organizations, but individuals are largely unaffected. 13. 8) To prevent unauthorized physical access to your computing devices, use passphrases, rather than passwords A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 14. Criminal hackers who access computer systems without permission for malicious (bad) reasons. A) Black hat. B) White hat. C) Grey hat. D) None of the above. Show Answer Correct Answer: A) Black hat. 15. What is the technology in which the user feels that they are in a virtual environment? A) VR. B) RA. C) IR. D) AI. Show Answer Correct Answer: A) VR. 16. Which group of cybercriminals is focused on control, power, and wealth, and may even provide cybercrime as a service? A) Amateurs. B) Hacktivists. C) Organized Hackers. D) Gray hat hackers. Show Answer Correct Answer: C) Organized Hackers. 17. What is a server in a computer network? A) Someone who manages the network. B) The name for a large number of computer cables. C) A powerful computer that provides centralized file storage. D) None of the above. Show Answer Correct Answer: C) A powerful computer that provides centralized file storage. 18. What is the primary function of a firewall in network security? A) To enhance internet connection speed. B) To safeguard against unauthorized access. C) To ensure secure data storage. D) To facilitate file backups. Show Answer Correct Answer: B) To safeguard against unauthorized access. 19. What does 'integrity of data' mean? A) "Accuracy and completeness of the data". B) "Data should be viewable at all times". C) "Data should be access by only the right people". D) "None of the above". Show Answer Correct Answer: A) "Accuracy and completeness of the data". 20. Which one of the following best describes a known security vulnerability of instant messaging (IM)? A) Messages can shut down the firewall. B) Message text can be a virus in itself. C) Messages can disable the power supply. D) Message attachments can contain malware. Show Answer Correct Answer: D) Message attachments can contain malware. 21. What is a Trojan malware? A) A type of malware that appears to be a legitimate program, but actually causes harm. B) A type of malware that deletes programs on the system each time replacing them with itself. C) A type of malware that spies on users without their knowledge. D) A type of malware that removes and sends all of your files to a third party, over time so you don't notice. Show Answer Correct Answer: A) A type of malware that appears to be a legitimate program, but actually causes harm. 22. Able to attack the network using a smart device with low security like a thermostate, or home sercurity A) Rootkits. B) Denial of Service. C) Zero Day Exploit. D) IOT Attack. Show Answer Correct Answer: D) IOT Attack. 23. Data is held hostage or threatened to be released by encrypting it through malware. To undo the encrcyption a ranson often needs to be paid A) Ransomeware. B) IOT Attacks. C) Spyware. D) Phisphing. Show Answer Correct Answer: A) Ransomeware. 24. Passive scans compare the system you are scanning to a baseline. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 25. In relation to computers, what is a virus? A) A program that is useful to download from the Internet. B) A URL that may lead the user to download a video file. C) A self-replicating program that damages the hard drive and affects the computer's operation. D) A program that secretly watches your computer activity and sends the information over the Internet. Show Answer Correct Answer: C) A self-replicating program that damages the hard drive and affects the computer's operation. ← 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