A technician notices that guests have plugged their laptops into a network wall jack located in the conference room. Which of the following could the technician implement in order to ensure that…

The correct answer is C. MAC address filtering. MAC address filtering restricts network access to devices whose hardware (MAC) addresses have been pre-registered on the switch or access point. By maintaining a whitelist of employee device MAC addresses, the technician ensures that only authorized employee devices can connect…

Network security

Question

A technician notices that guests have plugged their laptops into a network wall jack located in the conference room. Which of the following could the technician implement in order to ensure that ONLY employees are able to access network resources?

Options

APort mirroring
BVTP configuration
CMAC address filtering
DTraffic filtering

How the community answered

(47 responses)

A
2% (1)
B
4% (2)
C
91% (43)
D
2% (1)

Explanation

MAC address filtering restricts network access to devices whose hardware (MAC) addresses have been pre-registered on the switch or access point. By maintaining a whitelist of employee device MAC addresses, the technician ensures that only authorized employee devices can connect through the conference room wall jack. Port mirroring copies traffic to another port for analysis but doesn't block access. VTP manages VLAN configurations across switches but doesn't authenticate end devices. Traffic filtering controls what type of traffic flows but doesn't authenticate device identity. MAC filtering directly ties port access to known, registered devices.

Topics

#MAC address filtering#port security#network access control

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