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?
A. 802.1X
B. 802.1q
C. 802.3at
D. 802.3af
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802.1X is for port-based Network Access Control.
802.1Q is the networking standard that supports virtual LANs (VLANs) on an IEEE 802.3 Ethernet network
802.3af is PoE
802.3at is PoE+