312-50V13 Question #464: Real Exam Question with Answer & Explanation

The correct answer is C: MAC flooding. A MAC flooding attack aims to overflow an Ethernet switch's Content-Addressable Memory (CAM) table, forcing it to act as a hub.

Submitted by daniela_cl· Mar 6, 2026Sniffing

Question

Which type of attack attempts to overflow the content-addressable memory (CAM) table in an Ethernet switch?

Options

AEvil twin attack
BDNS cache flooding
CMAC flooding
DDDoS attack

Explanation

A MAC flooding attack aims to overflow an Ethernet switch's Content-Addressable Memory (CAM) table, forcing it to act as a hub.

Common mistakes.

A. An evil twin attack involves a rogue wireless access point mimicking a legitimate one to intercept client connections, not targeting a switch's CAM table.
B. DNS cache flooding (or poisoning) injects fraudulent data into a DNS resolver's cache to redirect traffic, unrelated to switch CAM tables.
D. A DDoS attack involves overwhelming a target with traffic from multiple sources, which is a different mechanism and objective than overflowing a switch's internal tables.

Concept tested. MAC flooding attack on switches

Reference. https://www.cisco.com/c/en/us/support/docs/switches/catalyst-6500-series-switches/107074-mac-flood-00.html

Topics

#MAC flooding#CAM table overflow#switch security#network attacks

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