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An administrator is configuring a switch that will be placed in an area of the office that is accessible to customers. Which of the following is the best way for the administrator to mitigate unknown devices from connecting to the network?
Correct Answer: D
802.1x is a network access control protocol that provides an authentication mechanism to devices trying to connect to a LAN or WLAN. This ensures that only authorized devices can access the network, making it ideal for mitigating the risk of unknown devices connecting to the network, especially in accessible areas. * 802.1x Authentication: Requires devices to authenticate using credentials (e.g., username and password, certificates) before gaining network access. * Access Control: Prevents unauthorized devices from connecting to the network, enhancing security in public or semi-public areas. * Implementation: Typically used in conjunction with a RADIUS server to manage authentication requests. Network References: * CompTIA Network+ N10-007 Official Certification Guide: Covers 802.1x and its role in network security. * Cisco Networking Academy: Provides training on implementing 802.1x for secure network access control. * Network+ Certification All-in-One Exam Guide: Explains the benefits and configuration of 802.1x authentication in securing network access.
