Network Security MCQ Test 4

Explore this diverse selection of multiple-choice questions (MCQs) designed for various examinations. Network Security MCQ Test 4 focuses on essential aspects of the subject, ensuring comprehensive preparation across different categories and fields of study to enhance your knowledge and readiness. The right answers for each question is provided next to respective questions for your convenience, you can either attend the test or dirtectly access the right answers by clicking the show correct answer button.

Each correct answer earns 1 mark, while each incorrect answer deducts 0.3 marks.

1. What does the acronym DDoS stand for?

A. Distributed Denial of Service

B. Data Denial of Service

C. Distributed Data of Service

D. Denial of Data Service

2. Which of the following is an example of biometric authentication?

A. Password

B. Security question

C. Fingerprint scan

D. PIN

3. True or False: A firewall can prevent all types of cyber attacks.

A. True

B. False

4. What is the purpose of a network intrusion detection system (IDS)?

A. To encrypt data

B. To detect unauthorized access

C. To backup data

D. To monitor user activity

5. Which of the following is a common method to secure a wireless network?

A. Using WEP encryption

B. Using WPA3 encryption

C. Disabling SSID broadcast

D. Using a VPN

6. What does the acronym SSL stand for?

A. Secure Sockets Layer

B. Secure System Layer

C. Secure Software Layer

D. Secure System Link

7. Which type of malware is designed to demand payment after encrypting the victim's data?

A. Virus

B. Worm

C. Trojan

D. Ransomware

8. What is the primary purpose of a security audit?

A. To backup data

B. To identify and address security weaknesses

C. To monitor user activity

D. To encrypt data

9. True or False: HTTPS is a secure version of HTTP.

A. True

B. False

10. Which of the following is a common sign of a phishing attempt?

A. A well-written email

B. A request for personal information

C. A familiar sender address

D. A secure HTTPS link

11. What is the role of a digital certificate in network security?

A. To encrypt data

B. To authenticate the identity of a user or device

C. To compress files

D. To monitor network traffic

12. Which protocol is used to securely transfer files over the internet?

A. FTP

B. HTTP

C. SFTP

D. SMTP

13. What does the acronym PKI stand for?

A. Public Key Infrastructure

B. Private Key Interface

C. Public Key Interface

D. Private Key Infrastructure

14. True or False: A brute force attack involves guessing passwords until the correct one is found.

A. True

B. False

15. What is the purpose of a network firewall?

A. To encrypt data

B. To monitor and control incoming and outgoing network traffic

C. To backup data

D. To create a network

16. Which of the following best describes social engineering?

A. Using software to hack systems

B. Manipulating people to gain unauthorized access

C. Encrypting data

D. Creating a firewall

17. Which type of encryption uses two different keys for encryption and decryption?

A. Symmetric encryption

B. Asymmetric encryption

C. Hashing

D. Tokenization

18. True or False: Network segmentation can improve security by isolating sensitive data.

A. True

B. False

19. What does the acronym MFA stand for?

A. Multi-Factor Authentication

B. Multi-Factor Authorization

C. Multi-Factor Access

D. Multi-Factor Accounting

20. Which of the following is a common method to protect against malware?

A. Using a VPN

B. Using antivirus software

C. Using a firewall

D. Using encryption

21. What is the main characteristic of a denial-of-service (DoS) attack?

A. Encrypting data

B. Deleting files

C. Overwhelming a system with traffic

D. Monitoring user activity

22. True or False: A VPN can provide secure remote access to a network.

A. True

B. False

23. What is the purpose of network access control (NAC)?

A. To encrypt data

B. To restrict unauthorized access to network resources

C. To backup data

D. To monitor network traffic

24. What does the acronym RADIUS stand for?

A. Remote Authentication Dial-In User Service

B. Remote Access Dial-In User Service

C. Remote Authentication Data Interface User Service

D. Remote Access Data Interface User Service

25. Which of the following best describes a zero-day exploit?

A. An exploit for a known vulnerability

B. An exploit that is already patched

C. An exploit for an unknown vulnerability

D. An exploit that is not yet discovered

26. What is the role of an endpoint detection and response (EDR) system?

A. Encrypting data

B. Detecting and responding to threats on endpoints

C. Monitoring network traffic

D. Backing up data

27. True or False: Multi-factor authentication (MFA) increases security by requiring multiple forms of identification.

A. True

B. False

28. Which of the following is a common characteristic of spyware?

A. Encrypting data

B. Monitoring user activity

C. Deleting files

D. Spreading through emails

29. What is the primary purpose of a security information and event management (SIEM) system?

A. Encrypting data

B. Collecting and analyzing security information

C. Monitoring network traffic

D. Backing up data

30. What does the acronym DNS stand for?

A. Domain Name System

B. Data Network System

C. Domain Network Service

D. Data Name Service

31. Which of the following best describes a botnet?

A. A type of antivirus software

B. A secure network

C. A network of infected computers

D. A type of encryption

32. True or False: The purpose of a honeynet is to attract and study attackers.

A. True

B. False

33. What is a common method to secure data at rest?

A. Using encryption

B. Using a firewall

C. Using a VPN

D. Using HTTPS

34. Which of the following is a key component of a public key infrastructure (PKI)?

A. Antivirus software

B. Digital certificates

C. Firewalls

D. VPNs

35. What is the role of a network intrusion detection system (IDS)?

A. Encrypting data

B. Detecting unauthorized access

C. Monitoring user activity

D. Backing up data

36. What does the acronym WPA2 stand for?

A. Wired Protected Access 2

B. Wireless Protected Access 2

C. Wireless Private Access 2

D. Wired Private Access 2

37. True or False: Network firewalls can block all types of cyber attacks.

A. True

B. False

38. What is the role of an intrusion prevention system (IPS)?

A. Detecting unauthorized access

B. Preventing unauthorized access

C. Encrypting data

D. Backing up data

39. What does the acronym CVE stand for?

A. Common Vulnerabilities and Exposures

B. Common Vulnerability Enumeration

C. Critical Vulnerability Enumeration

D. Critical Vulnerabilities and Exposures

40. Which of the following is a common method to secure mobile devices?

A. Using encryption

B. Using strong passwords

C. Installing security software

D. All of the above

41. What is the primary goal of network security?

A. To increase network speed

B. To protect data and resources from unauthorized access

C. To reduce network traffic

D. To monitor user activity

42. Which protocol is used for secure email communication?

A. HTTP

B. FTP

C. IMAP

D. SMTPS

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