Which of the Following Commands Overwrites the Bootloader Located on /Dev/sda

question 81

Multiple Choice

Which of the following commands overwrites the bootloader located on /dev/sda without overwriting the partition table or any data following it?

• A) dd if=/dev/zero of=/dev/sda bs=512
• B) dd if=/dev/zero of=/dev/sda bs=512 count=1
• C) dd if=/dev/zero of=/dev/sda bs=440 count=1
• D) dd if=/dev/zero of=/dev/sda bs=440

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