Network Security MCQ Test 3

Explore this diverse selection of multiple-choice questions (MCQs) designed for various examinations. Network Security MCQ Test 3 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 is the primary function of a proxy server?

A. Encrypting data

B. Acting as an intermediary between a client and a server

C. Backing up data

D. Monitoring user activity

2. Which type of attack exploits vulnerabilities in software to execute arbitrary code?

A. Phishing

B. Buffer overflow

C. Man-in-the-middle

D. DDoS

3. What does the acronym BCP stand for?

A. Business Continuity Plan

B. Business Compliance Plan

C. Business Cybersecurity Plan

D. Business Communication Plan

4. True or False: A public key is kept secret in asymmetric encryption.

A. True

B. False

5. What is the main purpose of a honeynet?

A. Encrypting data

B. Backing up data

C. Attracting and studying attackers

D. Monitoring user activity

6. Which protocol is used to resolve IP addresses to MAC addresses?

A. HTTP

B. DNS

C. ARP

D. FTP

7. What does the acronym SOC stand for in network security?

A. Security Operations Center

B. Security Orchestration Center

C. Security Optimization Center

D. Security Observation Center

8. Which of the following best describes a replay attack?

A. Intercepting and retransmitting data

B. Encrypting data

C. Deleting files

D. Monitoring user activity

9. True or False: A digital certificate can be used to verify the identity of a user or device.

A. True

B. False

10. What is the primary goal of network hardening?

A. Encrypting data

B. Reducing vulnerabilities in the network

C. Monitoring network traffic

D. Backing up data

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

A. Using WEP encryption

B. Disabling SSID broadcast

C. Using WPA3 encryption

D. Using a VPN

12. What does the acronym IAM stand for?

A. Identity Access Management

B. Information Access Management

C. Identity and Access Management

D. Information Authentication Management

13. True or False: A brute force attack involves trying many passwords or passphrases until the correct one is found.

A. True

B. False

14. What is the role of a Certificate Authority (CA) in network security?

A. Encrypting data

B. Issuing and managing digital certificates

C. Backing up data

D. Monitoring network traffic

15. 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

16. What does the acronym EDR stand for in network security?

A. Endpoint Detection and Response

B. Endpoint Data Recovery

C. Endpoint Data Replication

D. Endpoint Device Registration

17. True or False: Network firewalls are used to monitor and control incoming and outgoing network traffic.

A. True

B. False

18. What is a common characteristic of ransomware?

A. Monitoring user activity

B. Encrypting data and demanding payment for decryption

C. Deleting files

D. Spreading through emails

19. Which of the following is a key component of a network security policy?

A. Marketing strategies

B. Employee benefits

C. Security guidelines and procedures

D. Financial reports

20. What does the acronym IPSec stand for?

A. Internet Protocol Security

B. Internal Protocol Security

C. Internet Protocol Section

D. Internal Protocol Section

21. True or False: A honeypot is used to attract and trap attackers.

A. True

B. False

22. What is the primary purpose of a network access control (NAC) system?

A. Encrypting data

B. Backing up data

C. Restricting unauthorized access to network resources

D. Monitoring network traffic

23. Which of the following is a common method to secure web applications?

A. Using strong passwords

B. Implementing input validation

C. Using a VPN

D. Encrypting data

24. What does the acronym PKI stand for?

A. Public Key Infrastructure

B. Private Key Infrastructure

C. Public Key Interface

D. Private Key Interface

25. True or False: A secure network should have open access to all users.

A. True

B. False

26. What is the primary goal of an intrusion detection system (IDS)?

A. Encrypting data

B. Detecting unauthorized access

C. Monitoring user activity

D. Backing up data

27. Which type of encryption uses a pair of keys, one public and one private?

A. Symmetric encryption

B. Asymmetric encryption

C. Hashing

D. File encryption

28. What is the role of a firewall in network security?

A. Encrypting data

B. Monitoring and controlling network traffic

C. Backing up data

D. Developing software

29. Which of the following is a common method to protect against DDoS attacks?

A. Using encryption

B. Using a VPN

C. Using a content delivery network (CDN)

D. Using a honeypot

30. True or False: A digital signature provides non-repudiation for a digital message or document.

A. True

B. False

31. What does the acronym NAC stand for in network security?

A. Network Access Control

B. Network Authentication Control

C. Network Authorization Control

D. Network Application Control

32. What is the primary purpose of a vulnerability assessment?

A. Encrypting data

B. Identifying and quantifying security vulnerabilities

C. Monitoring network traffic

D. Backing up data

33. Which of the following is a common method to secure email communication?

A. Using HTTPS

B. Using encryption

C. Using a firewall

D. Using antivirus software

34. What does the acronym RDP stand for?

A. Remote Desktop Protocol

B. Remote Data Protocol

C. Real-time Data Protocol

D. Real-time Desktop Protocol

35. True or False: An access control list (ACL) is used to define which users or systems are granted or denied access to network resources.

A. True

B. False

36. What is the role of a security operations center (SOC)?

A. Encrypting data

B. Monitoring and responding to security incidents

C. Backing up data

D. Developing software

37. Which of the following best describes a whaling attack?

A. A phishing attack targeting high-profile individuals

B. An attack that encrypts data

C. An attack that deletes files

D. An attack that monitors user activity

38. What does the acronym SIEM stand for?

A. Security Information and Event Management

B. Security Information and Enterprise Management

C. Security Information and Encryption Management

D. Security Information and Environmental Management

39. True or False: A secure network should have all data encrypted at rest and in transit.

A. True

B. False

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

A. VPNs

B. Firewalls

C. Digital certificates

D. Antivirus software

41. What is the purpose of an intrusion prevention system (IPS)?

A. Encrypting data

B. Preventing unauthorized access

C. Monitoring user activity

D. Backing up data

42. Which of the following is a common method to protect data in transit?

A. Using a firewall

B. Using encryption

C. Using antivirus software

D. Using a honeypot

43. True or False: A security audit is conducted to identify security weaknesses in a system or network.

A. True

B. False

44. What is the role of a digital certificate?

A. Encrypting data

B. Verifying the authenticity and integrity of a message

C. Monitoring network traffic

D. Backing up data

45. What does the acronym TLS stand for?

A. Transmission Layer Security

B. Transport Layer Security

C. Transmission Layer System

D. Transport Layer System

46. What is the main purpose of a Virtual Private Network (VPN)?

A. To increase network speed

B. To encrypt internet traffic

C. To monitor user activity

D. To backup data

47. Which of the following best describes a worm?

A. A type of malware that encrypts data

B. A type of malware that replicates itself to spread to other computers

C. A type of malware that monitors user activity

D. A type of malware that deletes files

48. True or False: Two-factor authentication (2FA) requires two different types of authentication to access an account.

A. True

B. False

49. What is the primary goal of encryption in network security?

A. To reduce network traffic

B. To make data unreadable to unauthorized users

C. To monitor user activity

D. To backup data

50. Which protocol is used for secure email communication?

A. HTTP

B. FTP

C. IMAP

D. SMTPS

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