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 #111

Which two security measures should you take when running containers? (Select two)

  • A . Run containers as non-root users
  • B . Avoid exposing unnecessary ports
  • C . Always use –privileged mode
  • D . Disable SELinux

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Correct Answer: A, B
A, B

Explanation:

Running as non-root and limiting exposed ports reduce the attack surface, improving container security.
Question #112

Which command generates Kubernetes YAML from an existing Podman pod?

  • A . podman generate kube <pod>
  • B . podman play kube <pod>
  • C . podman export kube <pod>
  • D . podman kube generate <pod>

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Correct Answer: A
A

Explanation:

podman generate kube creates Kubernetes-compatible YAML from a Podman pod, simplifying migration to Kubernetes.
Question #113

Which command creates a new network in Podman?

  • A . podman network create <name>
  • B . podman new network <name>
  • C . podman create –network <name>
  • D . podman network add <name>

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Correct Answer: A
A

Explanation:

podman network create creates a new user-defined network that containers can join for custom networking.
Question #114

What is the purpose of the –env-file option in podman run?

  • A . To create a new environment file
  • B . To specify a file containing environment variables
  • C . To export container environment variables
  • D . To list all environment variables

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Correct Answer: B
B

Explanation:

The –env-file option loads environment variables from a specified file, simplifying configuration management.
Question #115

What does the podman tag command do?

  • A . Assigns a new tag to an existing image
  • B . Creates a new container with a tag
  • C . Deletes an image tag
  • D . Lists all tags for an image

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Correct Answer: A
A

Explanation:

podman tag assigns a new name or tag to an existing image, making it easier to reference or push to a registry.
Question #116

What is the benefit of using named volumes over anonymous volumes?

  • A . Easier lifecycle management
  • B . Improved performance
  • C . Increased security
  • D . Reduced disk usage

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Correct Answer: A
A

Explanation:

Named volumes simplify lifecycle management by allowing you to reference and manage volumes easily.
Question #117

Which option defines a dependency when creating a container?

  • A . –link
  • B . –depends-on
  • C . –dependency
  • D . –after

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Correct Answer: B
B

Explanation:

The –depends-on option specifies a dependency on another container.
Question #118

How can you skip TLS verification when pulling from a private registry?

  • A . –no-tls
  • B . –tls-skip
  • C . –tls-verify=false
  • D . –skip-ssl

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Correct Answer: C
C

Explanation:

The –tls-verify=false option disables TLS verification, useful when working with self-signed certificates.
Question #119

How do you run a container and attach it to an existing network?

  • A . podman run –network <network> <image>
  • B . podman create –net <network> <image>
  • C . podman exec –attach <network> <image>
  • D . podman link <network> <image>

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Correct Answer: A
A

Explanation:

The –network option attaches the container to the specified network.
Question #120

Which command allows you to listen to real-time container events?

  • A . podman logs
  • B . podman events
  • C . podman monitor
  • D . podman watch

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Correct Answer: B
B

Explanation:

The podman events command listens to and displays real-time container events such as start, stop, and remove actions.
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