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Which of the following could be utilized to provide pro…

A security administrator is notified that users attached to a particular switch are having intermittent connectivity
issues. Upon further research, the administrator finds evidence of an ARP spoofing attack. Which of the
following could be utilized to provide protection from this type of attack?

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A.
Configure MAC filtering on the switch.

B.
Configure loop protection on the switch.

C.
Configure flood guards on the switch.

D.
Configure 802.1x authentication on the switch.

Explanation:
ARP spoofing is a type of attack in which a malicious actor sends falsified ARP (Address Resolution Protocol)
messages over a local area network. This results in the linking of an attacker’s MAC address with the IP
address of a legitimate computer or server on the network. Once the attacker’s MAC address is connected to
an authentic IP address, the attacker will begin receiving any data that is intended for that IP address. ARP
spoofing can enable malicious parties to intercept, modify or even stop data in-transit. ARP spoofing attacks
can only occur on local area networks that utilize the Address Resolution Protocol.
To perform ARP spoofing the attacker floods the network with spoofed ARP packets. As other hosts on the
LAN cache the spoofed ARP packets, data that those hosts send to the victim will go to the attacker instead.
From here, the attacker can steal data or launch a more sophisticated follow-up attack.A flood guard configured on the network switch will block the flood of spoofed ARP packets.

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