Free RedHat EX188 Practice Exams

RedHat EX188 Practice Exams

Last updated on Oct 23,2026
  • Exam Code: EX188
  • Exam Name: Red Hat Certified Specialist in Containers
  • Certification Provider: RedHat
  • Latest update: Oct 23,2026
Question #361

Which instruction copies files from the build context to the image?

  • A . COPY
  • B . ADD
  • C . RUN
  • D . WORKDIR

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Correct Answer: A
A

Explanation:

The COPY instruction transfers files from the local build context into the image.
Question #362

Which option mounts a named volume with read-write access in Podman?

  • A . -v myvol:/data:rw
  • B . -v myvol:/data:ro
  • C . -v myvol:/data –readonly
  • D . -m myvol:/data

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Correct Answer: A
A

Explanation:

The :rw option mounts the volume with read-write access, allowing data modifications.
Question #363

How do you list the processes running inside a container?

  • A . podman top <container>
  • B . podman ps <container>
  • C . podman status <container>
  • D . podman exec <container>

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Correct Answer: A
A

Explanation:

The podman top command lists the processes running within a specified container.
Question #364

How do you run a container with read-only access to its filesystem?

  • A . podman run –readonly <image>
  • B . podman run –rofs <image>
  • C . podman run –no-write <image>
  • D . podman run –secure <image>

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Correct Answer: A
A

Explanation:

The –readonly option makes the container’s filesystem immutable, enhancing security.
Question #365

Which two commands help identify resource constraints on a container? (Select two)

  • A . podman stats <container>
  • B . podman top <container>
  • C . podman logs <container>
  • D . podman network inspect <container>

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Correct Answer: A, B
A, B

Explanation:

podman stats shows resource usage, and podman top lists active processes inside the container.
Question #366

How can you forcefully stop a running container?

  • A . podman kill <container>
  • B . podman stop –force <container>
  • C . podman rm <container>
  • D . podman halt <container>

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Correct Answer: A
A

Explanation:

The podman kill command immediately stops a running container by sending a SIGKILL signal.
Question #367

Why should you avoid using the root user inside containers?

  • A . To reduce security vulnerabilities
  • B . To increase build speed
  • C . To simplify networking
  • D . To ensure data persistence

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Correct Answer: A
A

Explanation:

Running as a non-root user reduces the risk of privilege escalation and improves container security.
Question #368

How do you create a named volume in Podman?

  • A . podman run –volume <name>
  • B . podman volume create <name>
  • C . podman create –volume <name>
  • D . podman mount –new <name>

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Correct Answer: B
B

Explanation:

The podman volume create <name> command creates a named volume for persistent storage.
Question #369

How do you authenticate to a private registry using Podman?

  • A . podman auth <registry>
  • B . podman login <registry>
  • C . podman access <registry>
  • D . podman creds <registry>

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Correct Answer: B
B

Explanation:

podman login authenticates to a specified private registry and stores the credentials for future use.
Question #370

What is the purpose of image tags in Podman?

  • A . To rename images
  • B . To version and identify images
  • C . To change image metadata
  • D . To copy images between registries

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Correct Answer: B
B

Explanation:

Image tags help version and identify images, making it easier to manage different builds or deployments.
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