This LPIC-1 practice question tests your understanding of devices, filesystems and fhs. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
An administrator needs to identify the device file for the first SATA SSD in a server. Which device file should they use?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "first"
Why it matters: Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
/dev/hda
Why wrong: Incorrect: /dev/hda is for IDE devices, not SATA.
/dev/sdb
Why wrong: Incorrect: /dev/sdb is the second SATA device.
/dev/nvme0n1
Why wrong: Incorrect: /dev/nvme0n1 is for an NVMe device, not SATA.
/dev/sda
Correct: SATA SSDs are typically /dev/sda (first disk).
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
/dev/sda
The first SATA SSD in a Linux system is typically assigned the device file /dev/sda. SATA drives use the SCSI subsystem via the libata driver, which names them /dev/sdX, with 'a' representing the first detected drive. This is the standard naming convention for SATA SSDs in modern Linux kernels.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
/dev/hda
Why it's wrong here
Incorrect: /dev/hda is for IDE devices, not SATA.
/dev/sdb
Why it's wrong here
Incorrect: /dev/sdb is the second SATA device.
/dev/nvme0n1
Why it's wrong here
Incorrect: /dev/nvme0n1 is for an NVMe device, not SATA.
/dev/sda
Why this is correct
Correct: SATA SSDs are typically /dev/sda (first disk).
Clue confirmation
The clue word "first" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
The trap here is that candidates often confuse SATA with PATA (IDE) and choose /dev/hda, or mistakenly think SATA SSDs use NVMe naming like /dev/nvme0n1, not realizing that SATA drives are mapped to the SCSI subsystem as /dev/sdX.
Detailed technical explanation
Under the hood, the Linux kernel's libata driver translates SATA commands into SCSI commands, so SATA devices appear as SCSI devices in the /dev/sdX namespace. The order of device detection (e.g., /dev/sda, /dev/sdb) depends on the kernel's probe order, which can be influenced by BIOS/UEFI settings or hardware topology. In a real-world scenario, if multiple SATA drives are connected, the first one detected may not always be the one physically labeled 'first' if the boot order is customized.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A practitioner preparing for the LPIC-1 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
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FAQ
Devices, Filesystems and FHS — This question tests Devices, Filesystems and FHS — Read the scenario before looking for a memorised answer..
The correct answer is: /dev/sda — The first SATA SSD in a Linux system is typically assigned the device file /dev/sda. SATA drives use the SCSI subsystem via the libata driver, which names them /dev/sdX, with 'a' representing the first detected drive. This is the standard naming convention for SATA SSDs in modern Linux kernels.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Yes — watch for: "first". Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 25, 2026
This LPIC-1 practice question is part of Courseiva's free LPI certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the LPIC-1 exam.
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