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Why is it necessary to update firmware to the latest version?
Correct Answer: C
According to the CCST Cybersecurity Study Guide, firmware updates are a critical security maintenance task because vulnerabilities in firmware can be exploited by attackers to gain persistent control over hardware. "Keeping firmware up to date is necessary to patch security vulnerabilities and weaknesses that could be exploited by threat actors. Vendors release firmware updates to correct security flaws, enhance stability, and ensure compatibility with updated security protocols." (CCST Cybersecurity, Endpoint Security Concepts, System and Firmware Maintenance section, Cisco Networking Academy) A is partially true but not the primary security reason for updates. B is incorrect because firmware is not part of the OS kernel; it's embedded in the hardware. C is correct: patching vulnerabilities in firmware is essential for endpoint protection. D may occur as a side benefit, but it's not the main reason from a cybersecurity perspective.