220-801 Question #531: Real Exam Question with Answer & Explanation

The correct answer is B: BIOS. The BIOS (Basic Input/Output System) is the firmware interface that allows a user to configure initial boot settings such as boot device order, hardware settings, and system time. It is the program that runs when the computer first powers on, before the OS loads. CMOS is the smal

Question

Which of the following is the only place where initial boot settings can be configured?

Options

ACMOS
BBIOS
CMBR
DHAL

Explanation

The BIOS (Basic Input/Output System) is the firmware interface that allows a user to configure initial boot settings such as boot device order, hardware settings, and system time. It is the program that runs when the computer first powers on, before the OS loads. CMOS is the small battery-backed chip that stores the BIOS configuration values, but the actual configuration interface is the BIOS setup utility - you configure settings in BIOS, and CMOS retains them. The MBR (Master Boot Record) is the first sector of a bootable disk containing partition information. HAL (Hardware Abstraction Layer) is an OS-level component, not a boot configuration tool.

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