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 #301

What does podman generate systemd do?

  • A . Generates a Podman configuration file
  • B . Generates systemd service units for containers
  • C . Exports container logs in systemd format
  • D . Converts containers to systemd services

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Correct Answer: B
B

Explanation:

podman generate systemd creates systemd service files to manage container lifecycles using systemd.
Question #302

What does podman inspect provide about a container?

  • A . Detailed configuration and state information
  • B . Basic container status
  • C . Network statistics
  • D . Log output

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Correct Answer: A
A

Explanation:

The podman inspect command gives detailed information, including configuration, state, and network settings.
Question #303

Which option with podman run sets a container’s restart policy?

  • A . –policy
  • B . –restart
  • C . –auto-restart
  • D . –restart-policy

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Correct Answer: B
B

Explanation:

The –restart option specifies the container’s restart policy, such as always or on-failure.
Question #304

Which instruction sets a persistent environment variable during the build process?

  • A . ENV
  • B . EXPORT
  • C . SET
  • D . CMD

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Correct Answer: A
A

Explanation:

The ENV instruction sets environment variables during the build, making them persistent for runtime use.
Question #305

Which command runs a container and removes it automatically after it exits?

  • A . podman run –remove <image>
  • B . podman run –auto-remove <image>
  • C . podman run –rm <image>
  • D . podman create –delete <image>

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Correct Answer: C
C

Explanation:

The –rm option in podman run ensures the container is removed automatically once it exits.
Question #306

Which command verifies an image’s signature?

  • A . podman verify
  • B . skopeo verify
  • C . skopeo inspect –verify-signature
  • D . podman inspect –verify

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Correct Answer: C
C

Explanation:

skopeo inspect –verify-signature checks the integrity and authenticity of an image’s signature.
Question #307

What does podman logout <registry> do?

  • A . Lists current authentication status
  • B . Removes stored credentials for the registry
  • C . Updates registry credentials
  • D . Pushes images to the registry

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Correct Answer: B
B

Explanation:

podman logout removes the stored credentials for a specified registry, enhancing security by preventing unauthorized access.
Question #308

How do you mount a host directory as a volume in a container?

  • A . podman run –volume /host:/container
  • B . podman run –bind /host:/container
  • C . podman mount –volume /host:/container
  • D . podman create –map /host:/container

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Correct Answer: A
A

Explanation:

The –volume or -v option mounts a host directory to a container directory.
Question #309

Which command creates an image from a container’s state?

  • A . podman commit <container> <image>
  • B . podman save <container>
  • C . podman export <container>
  • D . podman copy <container>

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Correct Answer: A
A

Explanation:

podman commit captures the state of a container and saves it as a new image.
Question #310

How do you forcefully stop a running pod and its containers?

  • A . podman pod kill <pod>
  • B . podman stop –pod <pod>
  • C . podman delete <pod>
  • D . podman pod pause <pod>

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Correct Answer: A
A

Explanation:

The podman pod kill command sends a SIGKILL signal to forcefully stop all containers in a pod.
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