Continue your lesson
Connect the command you run to the file, process, service, permission, or kernel state it changes.
Block 1 of 1Compare Container image · Container · Container volume · Container network
Current · 11 min
Compare Container image · Container · Container volume · Container network
Optional concept notes
Container image
Provides immutable packaged layers used to create container instances.
Container
Runs an isolated process from an image while sharing the host kernel.
Cross-certificationCCNA ↔ Linux+ ↔ Sec+
Container
The core idea stays the same. The surrounding objective changes the evidence, decision, or task the exam asks for.
Container volume
Persists or shares data outside a container's writable layer.
Container network
Provides controlled connectivity and naming between container workloads.
Complete one provider lesson, then answer four related questions. That is enough for today; more practice is optional.
Your lesson stays open here while the provider opens in another tab. Choose one source; the notes above are optional.
Practice the reasoning here
Use a disposable Linux system. Predict a command's effect, run it, inspect exit status and logs, then restore the starting state.
- State the expected result before changing or testing anything.
- Name the observation, command, log, or report that would confirm it.
- Explain why the closest alternative does not fit the same requirement.
Check the whole objective
This unlocks objective 2.6 for recall. The latest checkpoint needs 70% or higher; a lower result puts the lesson back near the front of your timeline.