ITPEC IP April 2026 Question 21
ITPEC IP April 2026 — Question 21 of 100
Secure boot — verifies signed startup software and permits execution only when its signature is trusted and valid.
During startup, a trusted component checks the digital signature of the next component, such as firmware, a boot loader, or the OS. A modified or unauthorized component fails verification and is blocked, helping prevent persistent boot-level malware and tampered IoT firmware.
Answer (c)
Why not others:
- (a) GPU — processes graphics and parallel calculations; it is not a startup trust mechanism
- (b) RAID — combines disks for performance or redundancy
- (d) Reboot — simply restarts a device and does not authenticate the software being loaded
Key rule: Secure boot establishes a chain of trust: each startup stage verifies the next stage's signature before transferring control to it.
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