CompTIA Network+ (N10-009) — Question 55

A critical infrastructure switch is identified as end-of-support. Which of the following is the best next step to ensure security?

Answer options

• A. Apply the latest patches and bug fixes.
• B. Decommission and replace the switch.
• C. Ensure the current firmware has no issues.
• D. Isolate the switch from the network.

Correct answer: B

Explanation

The best approach when a critical infrastructure switch becomes end-of-support is to decommission and replace it, as this ensures that security vulnerabilities are mitigated. Applying patches or isolating the device may provide temporary relief, but without continued support, the device is inherently at risk. Ensuring the firmware is issue-free does not address the core problem of lack of support.