CompTIA
XK0-006 · Question #17
A Linux administrator needs to securely erase the contents of a hard disk. Which of the following commands is the best for this task?
The correct answer is B. sudo shred /dev/sda1. The shred command securely erases data by overwriting the specified device or file multiple times, making recovery nearly impossible. This is the best option for securely erasing a hard disk.
Security
Question
A Linux administrator needs to securely erase the contents of a hard disk. Which of the following commands is the best for this task?
Options
- Asudo rm -rf /dev/sda1
- Bsudo shred /dev/sda1
- Csudo parted rm /dev/sda1
- Dsudo dd if=/dev/null of=/dev/sda1
How the community answered
(47 responses)- A2% (1)
- B91% (43)
- C2% (1)
- D4% (2)
Explanation
The shred command securely erases data by overwriting the specified device or file multiple times, making recovery nearly impossible. This is the best option for securely erasing a hard disk.
Topics
#shred#secure erase#data sanitization#disk wiping
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