Free RedHat EX188 Practice Exams

RedHat EX188 Practice Exams

Last updated on Oct 22,2026
  • Exam Code: EX188
  • Exam Name: Red Hat Certified Specialist in Containers
  • Certification Provider: RedHat
  • Latest update: Oct 22,2026
Question #241

What is the best practice for managing container volumes?

  • A . Use named volumes for better lifecycle management
  • B . Always use host mounts
  • C . Avoid using volumes
  • D . Rely on temporary filesystems

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Correct Answer: A
A

Explanation:

Named volumes are managed by the container runtime, ensuring data persistence and better lifecycle control compared to host mounts.
Question #242

What does the podman volume inspect command display?

  • A . Detailed information about a specific volume
  • B . All mounted volumes
  • C . Volume creation logs
  • D . Container logs

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Correct Answer: A
A

Explanation:

podman volume inspect provides detailed metadata about a volume, including mount points and labels.
Question #243

What is the default user for a Podman container if USER is not specified?

  • A . root
  • B . podman
  • C . nobody
  • D . system

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Correct Answer: A
A

Explanation:

If no USER instruction is specified, the container runs as the root user by default, which poses security risks.
Question #244

Which command creates a new container stack using a YAML file?

  • A . podman stack create <file>
  • B . podman compose up <file>
  • C . podman run –file <file>
  • D . podman play kube <file>

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Correct Answer: D
D

Explanation:

podman play kube <file> creates containers and pods based on Kubernetes YAML definitions.
Question #245

What does podman exec -u root <container> bash do?

  • A . Runs a Bash shell as the root user inside the container
  • B . Updates the container’s user settings
  • C . Stops the container
  • D . Restarts the container as root

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Correct Answer: A
A

Explanation:

The -u root option runs the bash command inside the container as the root user.
Question #246

How do you attach to a running container’s interactive terminal?

  • A . podman exec -it <container>
  • B . podman attach <container>
  • C . podman start -i <container>
  • D . podman connect <container>

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Correct Answer: B
B

Explanation:

The podman attach command connects your terminal to a running container’s standard input/output.
Question #247

What does the –rm option do when running a container?

  • A . Removes the container after it stops
  • B . Runs the container in read-only mode
  • C . Forces the container to restart
  • D . Runs the container with minimal resources

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Correct Answer: A
A

Explanation:

The –rm option automatically removes the container after it exits, keeping the system clean.
Question #248

What is the benefit of using skopeo for image management?

  • A . It supports copying images without local storage
  • B . It replaces Podman
  • C . It compresses images
  • D . It lists running containers

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Correct Answer: A
A

Explanation:

skopeo can copy images between registries directly without storing them locally, improving efficiency.
Question #249

What does podman save do?

  • A . Exports an image to a tar archive
  • B . Saves a running container’s state
  • C . Commits changes to a container
  • D . Creates a new volume

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Correct Answer: A
A

Explanation:

The podman save command exports an image as a tar archive, making it portable.
Question #250

Which command removes all stopped pods?

  • A . podman pod rm –all
  • B . podman pod prune
  • C . podman pod stop –all
  • D . podman pod clean

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Correct Answer: B
B

Explanation:

podman pod prune removes all stopped pods and their containers.
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