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 #261

How do you find the entry point of a containerized application?

  • A . podman logs <container>
  • B . podman ps –entrypoint <container>
  • C . podman inspect -f ‘{{.Config.Entrypoint}}’ <container>
  • D . podman top <container>

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Correct Answer: C
C

Explanation:

podman inspect with the Go template {{.Config.Entrypoint}} displays the container’s entry point.
Question #262

Which command displays real-time statistics for all running containers?

  • A . podman status
  • B . podman stats
  • C . podman info
  • D . podman top

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Correct Answer: B
B

Explanation:

podman stats shows real-time CPU, memory, and I/O usage for running containers.
Question #263

Which two commands display a container’s environment variables? (Select two)

  • A . podman inspect <container>
  • B . podman env <container>
  • C . podman exec <container> env
  • D . podman logs <container>

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Correct Answer: A, C
A, C

Explanation:

podman inspect shows container environment variables in metadata, and podman exec <container> env runs the env command inside the container.
Question #264

What does the podman volume prune command do?

  • A . Removes unused volumes
  • B . Deletes all volumes
  • C . Lists existing volumes
  • D . Creates a new volume

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Correct Answer: A
A

Explanation:

podman volume prune removes all unused volumes, helping free up storage space.
Question #265

Which option filters container logs by time range?

  • A . podman logs –since
  • B . podman logs –time
  • C . podman logs –range
  • D . podman logs –filter-time

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Correct Answer: A
A

Explanation:

The –since option filters logs starting from a specific time, useful for diagnosing recent issues.
Question #266

Which command lists all running and stopped containers?

  • A . podman ps -a
  • B . podman list
  • C . podman containers
  • D . podman show

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Correct Answer: A
A

Explanation:

The podman ps -a command lists all containers, regardless of their state.
Question #267

What does podman secret ls display?

  • A . All available secrets
  • B . Secret contents
  • C . Secret creation date
  • D . Secret permissions

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Correct Answer: A
A

Explanation:

podman secret ls lists all available secrets by name and ID.
Question #268

Which option with podman events filters events by container name?

  • A . –name
  • B . –filter name=<container>
  • C . –container
  • D . –match <container>

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Correct Answer: B
B

Explanation:

The –filter name=<container> option filters events based on the container name.
Question #269

How do you ensure a volume is removed when the container stops?

  • A . –volume-remove
  • B . –mount tmpfs
  • C . –rm
  • D . –volume,rm

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Correct Answer: C
C

Explanation:

The –rm option removes the container and its anonymous volumes when the container stops.
Question #270

Which two commands export a container image to a file? (Select two)

  • A . podman save
  • B . podman export
  • C . podman commit
  • D . podman archive

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Correct Answer: A, B
A, B

Explanation:

podman save exports an image to a tar archive, while podman export exports a container’s filesystem as a tar file.
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