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Updated: Aug 28, 2026

No. of Questions: 955 Questions & Answers with Testing Engine

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RedHat EX188 Exam Overview:

Certification Vendor:Red Hat
Exam Name:Red Hat Certified Specialist in Containers
Exam Number:EX188
Related Certifications:Red Hat Certified Architect (RHCA)
Red Hat Certified Developer in Cloud-native Applications
Exam Format:Hands-on Lab, Performance-based
Passing Score:70%
Exam Duration:180 minutes
Certificate Validity Period:3 years
Exam Price:$500 USD
Real Exam Qty:Performance-based practical tasks
Available Languages:English
Sample Questions:RedHat EX188 Sample Questions
Exam Way:Remote exam or on-site testing center
Pre Condition:Red Hat recommends taking DO188 or having equivalent container and Linux experience. RHCSA is recommended but not required.
Official Syllabus URL:https://www.redhat.com/en/services/training/ex188-red-hat-certified-specialist-containers-exam

RedHat EX188 Exam Syllabus Topics:

SectionObjectives
Topic 1: Work with Kubernetes and OpenShift- Container orchestration basics
  • 1. Deploy applications on OpenShift
  • 2. Manage container workloads
  • 3. Understand Kubernetes resources
Topic 2: Understand and Use Containers- Understand container concepts
  • 1. Manage container lifecycle
  • 2. Run containers with Podman
  • 3. Work with rootless containers
Topic 3: Create Custom Container Images- Build custom images
  • 1. Configure image metadata
  • 2. Write Containerfiles
  • 3. Customize existing images
Topic 4: Manage Container Images- Work with container registries
  • 1. Search and pull images
  • 2. Push images to registries
  • 3. Inspect and remove images
Topic 5: Troubleshoot Containers- Diagnose container issues
  • 1. Debug container startup failures
  • 2. Analyze logs and processes
  • 3. Resolve storage and permission issues
Topic 6: Deploy and Manage Containerized Applications- Run applications in containers
  • 1. Manage multi-container applications
  • 2. Persist container data
  • 3. Configure networking

RedHat Red Hat Certified Specialist in Containers Sample Questions:

Question 1

What does podman generate kube <pod> do?

A. Updates a pod configuration
B. Generates a new pod from a YAML file
C. Converts a pod to a Kubernetes YAML file
D. Deletes a pod configuration


Question 2

Which instruction sets the default command for a container while allowing arguments to be passed?

A. ENTRYPOINT
B. CMD
C. WORKDIR
D. RUN


Question 3

() in CANN combines the operator fusion of the internal storage architecture of the Ascend chip to reduce operator calling overhead and memory movement, and improve performance.


Question 4

What does the podman build command do?

A. Downloads a base image
B. Starts a new container
C. Removes a container image
D. Builds a container image from a Containerfile


Question 5

TensorFlow 2 does not perform graph operations by default. Which method should be used to use graph operations?

A. tensor_to_dense
B. @tf.function
C. tensorbord
D. session


Solutions:

Question 1
Answer: C
Question 2
Answer: A
Question 3
Answer: Only visible for members
Question 4
Answer: D
Question 5
Answer: B

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