Free RedHat EX188 Practice Exams

RedHat EX188 Practice Exams

Last updated on Oct 21,2026
  • Exam Code: EX188
  • Exam Name: Red Hat Certified Specialist in Containers
  • Certification Provider: RedHat
  • Latest update: Oct 21,2026
Question #1

What is the default network mode when running a container with Podman?

  • A . Bridge
  • B . Host
  • C . None
  • D . NAT

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Correct Answer: A
A

Explanation:

By default, Podman containers run in bridge mode, providing isolated networking with the host.
Question #2

Which option exposes a specific port when creating a container?

  • A . –bind
  • B . –map
  • C . –expose
  • D . –route

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Correct Answer: C
C

Explanation:

The –expose option makes a port available inside the container without binding it to a host port.
Question #3

Which method ensures secure mounting of a host directory as a container volume?

  • A . Use read-only mode unless writes are required
  • B . Avoid using SELinux policies
  • C . Grant full permissions to all users
  • D . Enable privileged mode

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Correct Answer: A
A

Explanation:

Mounting directories in read-only mode minimizes the risk of unwanted modifications, enhancing security and compliance with least privilege principles.
Question #4

Which two options are best practices for securing container images? (Select two)

  • A . Use minimal base images
  • B . Regularly update images
  • C . Use –privileged mode
  • D . Run as root

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Correct Answer: A, B
A, B

Explanation:

Using minimal images and keeping them updated reduces vulnerabilities and the attack surface.
Question #5

What is the purpose of the podman volume create command?

  • A . Creates a new named volume
  • B . Lists all volumes
  • C . Mounts a volume to a container
  • D . Deletes a volume

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Correct Answer: A
A

Explanation:

The podman volume create command creates a new named volume, which can be used for persistent storage.
Question #6

Which option is used to remove a volume along with its associated container?

  • A . podman rm -v
  • B . podman rmi
  • C . podman clean –volumes
  • D . podman volume delete

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Correct Answer: A
A

Explanation:

The podman rm -v command removes the container and its associated volumes, preventing orphaned volumes.
Question #7

Which two commands allow you to execute commands inside a running container? (Select two)

  • A . podman exec
  • B . podman run
  • C . podman attach
  • D . podman start

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Correct Answer: A, C
A, C

Explanation:

podman exec runs commands inside a running container, while podman attach connects to the container’s standard input/output.
Question #8

How do you tag an image with a new name in Podman?

  • A . podman rename <old> <new>
  • B . podman tag <old> <new>
  • C . podman reimage <old> <new>
  • D . podman update <old> <new>

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Correct Answer: B
B

Explanation:

The podman tag command assigns a new tag to an existing image, making it easier to push to registries or version images.
Question #9

Which two commands pause a running container? (Select two)

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

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Correct Answer: A, D
A, D

Explanation:

podman pause and podman container pause suspend all processes within a running container.
Question #10

Which two commands can you use to inspect Podman pods? (Select two)

  • A . podman pod inspect
  • B . podman inspect <pod>
  • C . podman pod info
  • D . podman pod status

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Correct Answer: A, B
A, B

Explanation:

Both podman pod inspect and podman inspect <pod> provide detailed information about a pod’s configuration and status.
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