Linux_FoundationLinux_Foundation
LFCS · Question #826
LFCS Question #826: Real Exam Question with Answer & Explanation
Sign in or unlock LFCS to reveal the answer and full explanation for question #826. The question stem and answer options stay visible for context.
Submitted by takeshi77· Apr 18, 2026Storage Management
Question
Which of the following commands overwrites the bootloader located on /dev/sda without overwriting the partition table or any data following it?
Options
- Add if=/dev/zero of=/dev/sda bs=512
- Bdd if=/dev/zero of=/dev/sda bs=512 count=1
- Cdd if=/dev/zero of=/dev/sda bs=440 count=1
- Ddd if=/dev/zero of=/dev/sda bs=440
Unlock LFCS to see the answer
You've previewed enough free LFCS questions. Unlock LFCS for full answers, explanations, the timed quiz mode, progress tracking, and the master PDF. Question stem and options stay visible so you can still see what's on the exam.
Topics
#dd command#bootloader#MBR structure#disk management