EX188 Storage And Configuration Practice Question
An administrator needs to create a temporary filesystem mount stored purely in host memory for high-performance temporary data inside a container. Which mount type should be used?
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
✓
podman run --tmpfs /app/cache myapp
A tmpfs mount stores data in host system memory (RAM), providing high-speed temporary storage.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
podman run --ramdisk /app/cache myapp
Why it's wrong here
'--ramdisk' is not a valid flag.
- ✗
podman run --mount type=memory,destination=/app/cache myapp
Why it's wrong here
The correct mount type for memory storage is 'tmpfs', not 'memory'.
- ✗
podman run --memory-mount /app/cache myapp
Why it's wrong here
'--memory-mount' is invalid.
- ✓
podman run --tmpfs /app/cache myapp
Why this is correct
The --tmpfs flag mounts an ephemeral memory-backed filesystem.
About these practice questions
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Red Hat exam blueprint
This EX188 practice question is part of Courseiva's free Red Hat 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 EX188 exam.