LPIC-1 System Architecture Practice Question
Which command displays the system's architecture (e.g., x86_64)?
⚠ Common exam trap
Candidates often assume only one command can display architecture, overlooking that multiple commands (lscpu, arch, uname -m) all serve this purpose, making 'All of the above' the correct answer when it is listed.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
All of the above
('All of the above') is correct because each of the listed commands—lscpu, arch, and uname -m—can display the system's architecture (e.g., x86_64). lscpu parses /proc/cpuinfo to show architecture details, arch prints the machine hardware name directly, and uname -m outputs the kernel's machine hardware name, all of which report the same architecture identifier on a given system.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
lscpu
Why it's wrong here
lscpu shows architecture but also other CPU info; not the only correct answer.
- ✓
All of the above
Why this is correct
All three commands can display the system architecture.
- ✗
arch
Why it's wrong here
While arch shows architecture, it is not the only correct answer.
- ✗
uname -m
Why it's wrong here
While uname -m does show architecture, it is not the only correct answer.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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