Practice Quiz

LPI Certification / CompTIA Linux+ Practice Test

Category - LINUX

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Which of the following is the role of the BIOS during a system boot?
  1. Creating an initrd image in a ramdisk
  2. Providing a menu that chooses which operating system to boot
  3. Locating a bootable storage device
  4. Pointing to the operating system kernel
Explanation
Answer - C - The role of the BIOS during a system boot is to locate a bootable storage device.

Key Takeaway: The BIOS tests your system hardware during the POST routine. BIOS is the program that guides a PC through the startup routine. BIOS consists of a set of simple instructions that are written on a flash ROM. BIOS checks the CMOS Setup for custom settings and loads the interrupt handlers and device drivers. Next, it initializes the registers and performs the power-on self-test.
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