Which of the following are the best device-hardening techniques for network security? (Choose two).

The correct answer is A. Disabling unused ports E. Changing default passwords. Disabling unused ports prevents unauthorized access and reduces the attack surface by ensuring that no inactive or unmonitored entry points are available for exploitation. Changing default passwords is critical for security because default credentials are widely known and can…

Submitted by fernanda_arg· Mar 6, 2026Network Security

Question

Options

ADisabling unused ports
BPerforming regular scanning of unauthorized devices
CMonitoring system logs for irregularities
DEnabling logical security such as SSO
EChanging default passwords
FEnsuring least privilege concepts areinplace

How the community answered

(38 responses)

A
74% (28)
B
3% (1)
C
3% (1)
D
16% (6)
F
5% (2)

Explanation

Disabling unused ports prevents unauthorized access and reduces the attack surface by ensuring that no inactive or unmonitored entry points are available for exploitation. Changing default passwords is critical for security because default credentials are widely known and can easily be exploited by attackers. These techniques are fundamental steps in hardening devices against unauthorized access and ensuring network security.

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