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050-720 · Question #365

What is the result of the following command? (Choose 2.) dd if=/dev/zero of=/dev/hdd bs=512 count=1

The correct answer is A. Overwrites an existing partition table D. Writes zeros in the first 512 bytes of the first hard disk block. See the full explanation below for the reasoning.

Question

What is the result of the following command? (Choose 2.) dd if=/dev/zero of=/dev/hdd bs=512 count=1

Options

AOverwrites an existing partition table
BCreates a LVM partition of 512 blocks
CBacks up the /dev/zero and /dev/hdd files
DWrites zeros in the first 512 bytes of the first hard disk block
EAssigns the physical volume zero to the logical volume hdd

How the community answered

(36 responses)

A
72% (26)
B
8% (3)
C
14% (5)
E
6% (2)

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