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Question 571 - SY0-601 discussion

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During a recent penetration test, a tester plugged a laptop into an Ethernet port in an unoccupied conference room and obtained a valid IP address. Which of the following would have best prevented this avenue of attack?

A.
Enabling MAC address filtering
Answers
A.
Enabling MAC address filtering
B.
Moving printers inside a firewall
Answers
B.
Moving printers inside a firewall
C.
Implementing 802.IX
Answers
C.
Implementing 802.IX
D.
Using network port security
Answers
D.
Using network port security
Suggested answer: C

Explanation:

Implementing 802.1X would have best prevented this avenue of attack. 802.1X is a standard that provides port-based network access control (PNAC), which means that it authenticates devices before allowing them to access network resources through a physical or wireless port. 802.1X can prevent unauthorized devices from obtaining valid IP addresses or accessing sensitive data by requiring them to provide credentials, such as a username and password, a certificate, or a token.

802.1X can also dynamically assign VLANs or firewall rules based on the device identity or role.

asked 02/10/2024
Kevin Intriago
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