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 #231

Which command lists all ports exposed by a Podman container?

  • A . podman port <container>
  • B . podman ps –ports
  • C . podman inspect <container>
  • D . podman network ls

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Correct Answer: A
A

Explanation:

podman port shows the port mappings for a running container, including host-to-container port bindings.
Question #232

Which option displays the real-time resource usage of a Podman container?

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

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Correct Answer: B
B

Explanation:

The podman stats command provides real-time statistics on container resource usage, such as CPU and memory.
Question #233

Which command lists all available secrets?

  • A . podman secret ls
  • B . podman secrets
  • C . podman secret list
  • D . podman show secrets

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Correct Answer: A
A

Explanation:

The podman secret ls command lists all available secrets, showing their names and IDs.
Question #234

Which command creates a multi-container configuration using YAML?

  • A . podman play stack <file>
  • B . podman create kube <file>
  • C . podman play kube <file>
  • D . podman generate kube <file>

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Correct Answer: C
C

Explanation:

podman play kube <file> creates pods and containers based on Kubernetes YAML definitions.
Question #235

Which two commands restart a container? (Select two)

  • A . podman restart <container>
  • B . podman start –restart <container>
  • C . podman stop <container> and podman start <container>
  • D . podman run –restart <container>

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Correct Answer: A, C
A, C

Explanation:

podman restart directly restarts a container, while stopping and starting achieves the same result.
Question #236

Which option is used to forcefully remove a running container?

  • A . podman rm -f
  • B . podman rm –all
  • C . podman delete –force
  • D . podman stop

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Correct Answer: A
A

Explanation:

The podman rm -f command forcefully removes running containers by stopping them first.
Question #237

What is the purpose of the –secret option in podman run?

  • A . To create a new secret in the container
  • B . To pass a secret to the container securely
  • C . To expose a secret as an environment variable
  • D . To encrypt the container image

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Correct Answer: B
B

Explanation:

The –secret option passes a secret securely to the container without exposing it as a plain environment variable.
Question #238

Which two commands stop all containers in a pod? (Select two)

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

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Correct Answer: B, D
B, D

Explanation:

podman pod stop and podman kill both stop all containers within a pod.
Question #239

How do you create a container with a dependency on another container?

  • A . podman create –depends-on <container> <image>
  • B . podman run –link <container> <image>
  • C . podman exec –after <container> <image>
  • D . podman start –dependency <container> <image>

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Correct Answer: A
A

Explanation:

The –depends-on option creates a container with a dependency on another specified container.
Question #240

What does podman ps -a display?

  • A . Only running containers
  • B . All containers, including stopped ones
  • C . All container events
  • D . Detailed container configuration

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Correct Answer: B
B

Explanation:

podman ps -a lists all containers, whether running, stopped, or exited.
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