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Network Security

Protection of networks and data transmission.

Network Security focuses on the planning, implementation, and monitoring of measures to protect the confidentiality, integrity, and availability of information transmitted over networks, and guard against unauthorized access.
5 minutes 5 Questions

Network Security encompasses measures and protocols implemented to protect the integrity, confidentiality, and availability of computer networks and data. In CompTIA Security+ terms, this involves several key components. First, network security requires proper architecture design with segmentation…

Concepts covered: Antivirus and Antimalware, Secure Socket Layer/Transport Layer Security (SSL/TLS), Endpoint Security, Security Information and Event Management (SIEM), Intrusion Detection and Prevention Systems (IDPS), Security Information and Event Management (SIEM), Network Access Control (NAC), Malware Defense, Security Policies, Virtual Private Networks (VPNs), Wireless Network Security, Anti-Malware Solutions, Firewall, Access Control and Authentication, Honeypots and Honeynets

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CompTIA Security+ - Network Security Example Questions

Test your knowledge of Network Security

Question 1

A company has implemented NAC to prevent unauthorized access to their network. An employee tries to connect a personal device to the network but fails. What could be the most likely reason?

Correct Answer: The personal device does not meet the security requirements.

Network Access Control checks for compliance with security policies on every device before granting access. In this case, the employee's personal device likely fails to meet the established security requirements and is thus denied access.

Question 2

A coffee shop's wireless network has been frequently attacked by hackers. The owner wants to prevent unauthorized access. What should the security team implement?

Correct Answer: Apply WPA2-Enterprise

Applying WPA2-Enterprise provides strong encryption and authentication, preventing unauthorized access. Enabling WPS is less secure, disabling DHCP and implementing static IP addresses might complicate the connection process for customers, while using hidden networks and enabling MAC address filtering can still be bypassed by skilled hackers.

Question 3

A business is experiencing a series of vicious malware outbreaks. Most of the infections started within the email system. What Endpoint Security solution should be implemented to mitigate this risk?

Correct Answer: Email Security Gateway

Email Security Gateway is a solution that scans incoming emails for malicious content and prevents them from reaching the recipients' mailboxes, thus reducing the risk of malware outbreaks initiated via email.

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