II0-001 · Question #111
The MBR typically starts at sector:
The correct answer is C. 0. Option C (sector 0) is correct because the Master Boot Record is always located at the very first sector of a storage device - sector 0, also known as the first logical block address (LBA 0). The BIOS loads this 512-byte sector into memory during the boot process before…
Question
The MBR typically starts at sector:
Options
- A009FF00
- B0090FEA
- C0
- D09G94:99
How the community answered
(39 responses)- A8% (3)
- B5% (2)
- C85% (33)
- D3% (1)
Explanation
Option C (sector 0) is correct because the Master Boot Record is always located at the very first sector of a storage device - sector 0, also known as the first logical block address (LBA 0). The BIOS loads this 512-byte sector into memory during the boot process before anything else runs.
Why the distractors are wrong:
- A (009FF00) and B (0090FEA) are hexadecimal-looking values with no standard meaning in disk addressing; they appear designed to look like plausible memory addresses but don't correspond to any recognized boot-related sector location.
- D (09G94:99) contains the character "G," which is invalid in both hexadecimal and decimal notation, making it immediately dismissible.
Memory tip: Think "MBR = Most Beginning Real estate" - it literally occupies the very first sector (sector zero) because the bootloader must be the first thing the firmware reads when powering on.
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