5.2 Understand system hardening.
Objective 5.2 sits in Security Operations, which carries 18% of the Certified in Cybersecurity exam. The questions below are original, written from the official objective title above, and each explanation cites the ISC2 page it rests on.
Objective title verbatim from the official objectives. ISC2 exam page ↗
A worked example
Shown solved, with the whole explanation open: this is what every question here carries.
What is a software patch?
Correct.
Concept
Software ships with flaws that are discovered over its life; vendors close them by issuing corrections to the deployed code.
Why B
Patches are software and operating system updates that address security vulnerabilities within a program or product, sometimes alongside fixes for bugs and features.
Now you: objective 5.2 questions
No account needed. The explanation opens when you answer.
Sample question 1 of 3
A team defers a patch because the vulnerability it fixes is over a year old. Why is the delay still dangerous?
Sample question 2 of 3
A vendor offers automatic updates for its product. What does CISA recommend?
Sample question 3 of 3
A technician at an airport must apply an urgent software update. What is the safe way to do it?
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Read the sources
These are the official pages the questions above cite. Reading them is studying the objective from the primary source, which is what the explanations point you toward anyway.