nerdexam
EC-Council

312-49V9 · Question #224

What will the following command accomplish? dd if=/dev/xxx of=mbr.backup bs=512 count=1

The correct answer is A. Back up the master boot record. See the full explanation below for the reasoning.

Question

What will the following command accomplish? dd if=/dev/xxx of=mbr.backup bs=512 count=1

Options

  • ABack up the master boot record
  • BRestore the master boot record
  • CMount the master boot record on the first partition of the hard drive
  • DRestore the first 512 bytes of the first partition of the hard drive

How the community answered

(56 responses)
  • A
    84% (47)
  • B
    2% (1)
  • C
    11% (6)
  • D
    4% (2)

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Full 312-49V9 Practice