Choose all the correct options

Question

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

Accepted Answer

dd if=/dev/zero of=/dev/sda bs=440 count=1

Answer

dd if=/dev/zero of=/dev/sda bs=512 count=1

Answer

dd if=/dev/zero of=/dev/sda bs=512 count=1

Answer

dd if=/dev/zero of=/dev/sda bs=440

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