CompTIA
SY0-701 · Question #474
Which of the following is the best way to prevent an unauthorized user from plugging a laptop into an employee's phone network port and then using tools to scan for database servers?
The correct answer is A. MAC filtering. MAC filtering allows network administrators to control device access by specifying allowed MAC addresses. This prevents unauthorized devices, such as a laptop plugged into a network port, from gaining access.
Submitted by deeparc· Mar 6, 2026Threats, vulnerabilities, and mitigations
Question
Which of the following is the best way to prevent an unauthorized user from plugging a laptop into an employee's phone network port and then using tools to scan for database servers?
Options
- AMAC filtering
- BSegmentation
- CCertification
- DIsolation
How the community answered
(34 responses)- A82% (28)
- B3% (1)
- C12% (4)
- D3% (1)
Explanation
MAC filtering allows network administrators to control device access by specifying allowed MAC addresses. This prevents unauthorized devices, such as a laptop plugged into a network port, from gaining access.
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