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 #11

How do you display the IP address of a running Podman container?

  • A . podman inspect -f ‘{{.NetworkSettings.IPAddress}}’ <container>
  • B . podman ip <container>
  • C . podman network ls <container>
  • D . podman show <container>

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Correct Answer: A
A

Explanation:

The podman inspect command with the -f option retrieves the container’s IP address from its network settings.
Question #12

How do you get the logs of a running container?

  • A . podman events <container>
  • B . podman logs <container>
  • C . podman history <container>
  • D . podman inspect –logs

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Correct Answer: B
B

Explanation:

The podman logs command retrieves the log output for a specified running or stopped container.
Question #13

Which command lists all available Podman commands and options?

  • A . podman help
  • B . podman list
  • C . podman show
  • D . podman commands

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Correct Answer: A
A

Explanation:

podman help provides a list of all available commands and options, assisting with command-line usage.
Question #14

How do you connect to a running container’s shell?

  • A . podman attach <container>
  • B . podman exec -it <container> bash
  • C . podman connect <container>
  • D . podman run –attach <container>

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Correct Answer: B
B

Explanation:

podman exec -it <container> bash starts an interactive shell session inside the running container.
Question #15

How do you view detailed information about the host system’s containers?

  • A . podman system info
  • B . podman inspect –host
  • C . podman host status
  • D . podman system inspect

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Correct Answer: A
A

Explanation:

podman system info provides detailed information about the host system, including container runtime details.
Question #16

Which command mounts a named volume to a container?

  • A . podman run -v myvol:/data
  • B . podman mount myvol:/data
  • C . podman attach myvol:/data
  • D . podman bind myvol:/data

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Correct Answer: A
A

Explanation:

The -v option with podman run mounts a named volume to the specified container path.
Question #17

What does podman play kube <file> do?

  • A . Converts a pod to a YAML file
  • B . Deploys containers from a Kubernetes YAML file
  • C . Deletes a Kubernetes YAML configuration
  • D . Updates an existing pod configuration

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Correct Answer: B
B

Explanation:

podman play kube deploys pods and containers based on a Kubernetes YAML file.
Question #18

Which option sets the CPU limit for a container during podman run?

  • A . –cpus=2
  • B . –cpu-limit=2
  • C . –cpulimit=2
  • D . –cpu-max=2

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Correct Answer: A
A

Explanation:

The –cpus option restricts the container to use a specified number of CPU cores, controlling resource usage.
Question #19

Which command creates a container with a read-only filesystem?

  • A . podman run –readonly <image>
  • B . podman create –rofs <image>
  • C . podman exec –readonly <image>
  • D . podman start –rofs <image>

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Correct Answer: A
A

Explanation:

The –readonly option makes the container’s filesystem read-only, improving security.
Question #20

How do you inject a secret into a container’s environment variables?

  • A . podman run –env SECRET=value
  • B . podman run –secret id=<name>,env
  • C . podman create –secret-env <name>
  • D . podman start –secret-env <name>

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Correct Answer: B
B

Explanation:

The –secret id=<name>,env option injects a secret directly into the container’s environment variables.
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