RedHat EX188 Exam : Red Hat Certified Specialist in Containers

  • Exam Code: EX188
  • Exam Name: Red Hat Certified Specialist in Containers
  • Updated: Aug 09, 2026
  • Q & A: 955 Questions and Answers

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RedHat EX188 Exam Syllabus Topics:

SectionObjectives
Manage Container Images- Work with container registries
  • 1. Push images to registries
  • 2. Inspect and remove images
  • 3. Search and pull images
Troubleshoot Containers- Diagnose container issues
  • 1. Analyze logs and processes
  • 2. Resolve storage and permission issues
  • 3. Debug container startup failures
Understand and Use Containers- Understand container concepts
  • 1. Run containers with Podman
  • 2. Work with rootless containers
  • 3. Manage container lifecycle
Work with Kubernetes and OpenShift- Container orchestration basics
  • 1. Understand Kubernetes resources
  • 2. Manage container workloads
  • 3. Deploy applications on OpenShift
Deploy and Manage Containerized Applications- Run applications in containers
  • 1. Manage multi-container applications
  • 2. Configure networking
  • 3. Persist container data
Create Custom Container Images- Build custom images
  • 1. Configure image metadata
  • 2. Write Containerfiles
  • 3. Customize existing images

RedHat Red Hat Certified Specialist in Containers Sample Questions:

1. RNN can save context information.

A) False
B) True


2. Which of the following is not an advantage of the ReLU series of activation functions over the Sigmoid and Tanh activation functions?

A) From a computational perspective, both Sigmoid and Tanh activation functions require exponential calculations and are highly complex, while ReLU only requires a threshold to obtain an activation value.
B) ReLU can cause neuron death during its training process.
C) The non-saturation of ReLU can effectively solve the problem of gradient disappearance and provide a relatively wide activation boundary.
D) The unilateral inhibition of ReLU provides the sparse expression ability of the network.


3. What is the purpose of podman run --rm?

A) Removes the container after it exits
B) Saves the container's state
C) Runs the container in read-only mode
D) Mounts a volume


4. Why should you avoid using the root user inside containers?

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


5. Which two commands start a stopped container? (Select two)

A) podman wake
B) podman run
C) podman restart
D) podman start


Solutions:

Question # 1
Answer: B
Question # 2
Answer: B
Question # 3
Answer: A
Question # 4
Answer: D
Question # 5
Answer: C,D

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