N10-009 · Question #308
N10-009 Question #308: Real Exam Question with Answer & Explanation
The correct answer is D: Port security. Port security is a Layer 2 security feature that restricts the number of devices connecting to a network switch port. It helps prevent unauthorized devices, such as an unmanaged switch, from being connected to the network. How Port Security Works: Limits the number of MAC address
Question
A company experiences an incident involving a user who connects an unmanaged switch to the network. Which of the following technologies should the company implement to help avoid similar incidents without conducting an asset inventory?
Options
- AScreened subnet
- B802.1X
- CMAC filtering
- DPort security
Explanation
Port security is a Layer 2 security feature that restricts the number of devices connecting to a network switch port. It helps prevent unauthorized devices, such as an unmanaged switch, from being connected to the network. How Port Security Works: Limits the number of MAC addresses that can connect to a port. Can shut down or restrict the port if an unauthorized device is detected. Prevents users from plugging in unauthorized networking equipment (e.g., unmanaged switches, hubs).
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