CompTIA Network+ (N10-007) — Question 520

The network support team is responsible for managing connections in a large, multipurpose venue where maintaining physical security is difficult. Implementing which of the following standards would BEST help to prevent unauthorized connections to the wired network?

Answer options

• A. 802.1X
• B. 802.1q
• C. 802.3at
• D. 802.3af

Correct answer: A

Explanation

The correct answer is A, 802.1X, which provides port-based network access control, making it effective in preventing unauthorized devices from accessing the network. Options B, C, and D relate to VLAN tagging and Power over Ethernet specifications, respectively, and do not directly address the issue of securing access to the wired network.