Given the Docker daemon started with dockerd --storage-driver=devicemapper, what will the command docker info | grep 'Storage Driver' output?

medium📝 Command Output Q4 of 15

Docker - Resource Management

Given the Docker daemon started with dockerd --storage-driver=devicemapper, what will the command docker info | grep 'Storage Driver' output?

AStorage Driver: btrfs

BStorage Driver: overlay2

CStorage Driver: aufs

DStorage Driver: devicemapper

Step-by-Step Solution

Solution:

Step 1: Understand the daemon startup option
The daemon was started explicitly with the devicemapper storage driver.
Step 2: Check docker info output
The 'docker info' command shows the active storage driver, which matches the daemon option.
Final Answer:
Storage Driver: devicemapper -> Option D
Quick Check:
docker info storage driver = devicemapper [OK]

Quick Trick: docker info shows active storage driver set at daemon start [OK]

Common Mistakes:

Master "Resource Management" in Docker

9 interactive learning modes - each teaches the same concept differently

Want More Practice?

15+ quiz questions · All difficulty levels · Free

More Docker Quizzes