Weekly CISSP Exam Questions
Which technology ensures that only signed software runs during the boot process?
A. TPM
B. UEFI
C. BIOS
D. HSM
Answer: B
Explanation:
UEFI (Unified Extensible Firmware Interface): UEFI can support a feature called Secure Boot, which ensures that only signed software runs during the boot process. Secure Boot prevents unsigned or compromised operating system loaders and drivers from being loaded, enhancing the system's security.
Here's a breakdown of the other options:
TPM (Trusted Platform Module): While a TPM chip can securely store keys and other information, it does not itself enforce that only signed software runs during the boot process.
BIOS (Basic Input/Output System): The traditional BIOS does not have the capability to ensure that only signed software runs during the boot process. UEFI is seen as a modern replacement for BIOS with more capabilities, including Secure Boot.
HSM (Hardware Security Module): An HSM is used for securely storing cryptographic keys and for accelerating cryptographic processes, but it does not control the boot process.
Therefore, UEFI is the technology that ensures that only signed software runs during the boot process.
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