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CISA · Question #203
CISA Question #203: Real Exam Question with Answer & Explanation
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Submitted by luis.pe· Apr 18, 2026Protection of Information Assets
Question
Which of the following is the BEST compensating control to apply when hardware and software associated with a legacy system cannot be patched or updated to protect against known vulnerabilities or malware?
Options
- ADeploy firewalls with deep packet inspection capability that can monitor and block advanced
- BBlock all USB access to the local area network (LAN) and permit no external connections
- COverhaul the manufacturing facility and associated IT infrastructure to ensure upgrades can be
- DTake down the production facility to upgrade all the infrastructure following extensive testing
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Topics
#Compensating Controls#Legacy Systems#Network Security#Firewalls