305-300 Container Virtualization Practice Question
Which TWO of the following are valid storage drivers used by Docker to manage image layers?
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
✓
overlay2
Overlay2 and aufs are both well-known storage drivers for Docker.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
overlay2
Why this is correct
Overlay2 is the default and recommended driver.
- ✗
ext4
Why it's wrong here
ext4 is a filesystem, not a storage driver.
- ✗
vfs-driver
Why it's wrong here
This is not a standard Docker storage driver name.
- ✗
zfs-layer
Why it's wrong here
This is not the correct name for the ZFS storage driver.
- ✓
aufs
Why this is correct
Aufs is a legacy but supported driver.
About these practice questions
One of 194 original 305-300 practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. Learn why practice questions differ from exam dumps →
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 LPI exam blueprint
This 305-300 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 305-300 exam.