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1. Which of the following is a primary function of a load balancer in a network?
2. Which type of firewall operates at the application layer to filter traffic?
3. Which of the following network security mechanisms uses a combination of digital certificates and asymmetric cryptography to provide secure communications over an untrusted network?
4. Which protocol operates at the network layer and is responsible for logical addressing?
5. Which network protocol is designed to provide secure, authenticated communications for directory services, particularly in Microsoft Active Directory environments?
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6. Which of the following protocols provides confidentiality, integrity, and authenticity of messages on the internet?
7. Which type of malware records every keystroke made by a user?
8. What is the purpose of DNSSEC (Domain Name System Security Extensions)?
9. What does the term "network segmentation" refer to in the context of network security?
10. What is the primary security benefit of using TLS over SSL for securing network communications?
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11. Which type of attack is characterized by an attacker intercepting and potentially altering communication between two parties who believe they are directly communicating with each other?
12. What is the main security purpose of implementing a VLAN in a network?
13. What is the primary function of a Content Delivery Network (CDN)?
14. Which cryptographic protocol is used to secure data transmitted over a wireless network?
15. Which of the following network topologies is most resilient to a single point of failure?
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16. Which protocol is used to secure communications between a web server and a web browser?
17. Which type of attack involves intercepting and altering communication between two parties without their knowledge?
18. In the context of wireless network security, what is the purpose of the 802.1X standard?
19. Which protocol is commonly used to retrieve emails from a server?
20. What is the main advantage of using a firewall with stateful inspection over a stateless firewall?
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21. Which advanced network security technique involves segmenting a network into smaller, isolated sections to prevent lateral movement of threats?
22. Which of the following best describes the function of a SIEM (Security Information and Event Management) system?
23. Which of the following best describes a DMZ (Demilitarized Zone) in network security?
24. Which of the following is a primary function of a DNS (Domain Name System)?
25. What is the primary purpose of implementing a VPN (Virtual Private Network) in a corporate environment?
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26. Which of the following protocols supports multicast traffic in IPv6, enabling the efficient distribution of data to multiple destinations?
27. What is the primary function of a network IDS (Intrusion Detection System)?
28. Which of the following is a benefit of implementing an IDS/IPS in a network?
29. Which of the following technologies is used to detect and prevent MAC address spoofing in a network?
30. Which type of firewall inspects incoming and outgoing packets at the network layer?
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31. In a wireless network, which of the following encryption methods is considered the most secure?
32. Which technology allows multiple virtual networks to operate on the same physical network infrastructure?
33. Which protocol is primarily used to synchronize time across network devices?
34. What is the main advantage of using MPLS (Multiprotocol Label Switching) in a network?
35. Which protocol is used to securely transfer files over the internet?
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36. What is the purpose of implementing a honeypot in a network?
37. Which protocol is commonly used for sending email from a client to a server?
38. Which type of attack involves flooding a network with a large number of ICMP Echo Request packets?
39. What is the main advantage of using a Next-Generation Firewall (NGFW) over a traditional firewall?
40. What is the function of a WAF (Web Application Firewall)?
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41. In a software-defined network (SDN), which component is responsible for making centralized decisions about the flow of network traffic?
42. What is the primary function of the Secure Shell (SSH) protocol?
43. What is the purpose of Network Address Translation (NAT)?
44. Which of the following is a characteristic of the BGP (Border Gateway Protocol) that makes it susceptible to routing attacks such as prefix hijacking?
45. What is the primary purpose of implementing QoS (Quality of Service) in a network?
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46. Which protocol is used to dynamically assign IP addresses to devices on a network?
47. Which of the following technologies helps prevent ARP spoofing attacks?
48. What is the primary purpose of implementing Network Access Control (NAC) in a corporate network?
49. Which of the following technologies can be used to detect unauthorized devices on a network through passive monitoring and analysis of network traffic?
50. Which of the following network devices can be used to segment a network into different broadcast domains?
