GCFA Question #227: Real Exam Question with Answer & Explanation

The correct answer is D. hdparm. The hdparm command is the Unix/Linux utility used to configure and retrieve hard disk geometry parameters such as cylinders, heads, and sectors.

Question

You work as the Network Administrator for McNeil Inc. The company has a Unix-based network. You want to set the hard disk geometry parameters, cylinders, heads, and sectors. Which of the following Unix commands can you use to accomplish the task?

Options

Amkfs
Bmkswap
Cmke2fs
Dhdparm

Explanation

The hdparm command is the Unix/Linux utility used to configure and retrieve hard disk geometry parameters such as cylinders, heads, and sectors.

Common mistakes.

A. mkfs (make filesystem) is used to create a new filesystem on a disk partition, not to set or retrieve low-level disk geometry parameters.
B. mkswap is used to designate a disk partition or file as Linux swap space and has no capability to configure hard disk geometry parameters.
C. mke2fs creates an ext2, ext3, or ext4 filesystem on a specified disk device but does not interact with or modify hard disk geometry settings.

Concept tested. Unix command for configuring hard disk geometry

Reference. https://man7.org/linux/man-pages/man8/hdparm.8.html

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