Which protocol authenticates connected devices before allowing them to access the LAN?

Posted by: Pdfprep Category: 200-105 Tags: CCNA Routing and Switching, 200-105 exam questions, 200-105 practice exam Post Date: December 24, 2020

Topic 1, New Set Questions Set 1

Which protocol authenticates connected devices before allowing them to access the LAN?
A . 802.1d
B . 802.11
C . 802.1w
D . 802.1x

Answer: D

Explanation: