Prepare with RedHat EX188 exam practice material, pass for sure

Updated: Aug 09, 2026

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RedHat EX188 Exam Overview:

Certification Vendor:Red Hat
Exam Name:Red Hat Certified Specialist in Containers Exam
Exam Number:EX188
Related Certifications:Red Hat Certified Architect (RHCA)
Exam Price:USD 400 - 500 (varies by region)
Passing Score:Not publicly disclosed
Certificate Validity Period:3 years
Real Exam Qty:Performance-based tasks only, no fixed number of questions
Exam Format:Hands-on performance-based exam, Practical tasks in a real environment
Exam Duration:150 minutes
Available Languages:English
Recommended Training:DO188 - Introduction to Containers with Podman
Exam Registration:Red Hat Certification Portal
Sample Questions:RedHat EX188 Sample Questions
Exam Way:Online proctored or onsite at authorized test centers; no internet access allowed during exam
Pre Condition:Recommended: Complete DO188 - Introduction to Containers with Podman or equivalent experience; basic Linux command line skills
Official Syllabus URL:https://www.redhat.com/en/services/training/ex188-red-hat-certified-specialist-containers-exam

RedHat EX188 Exam Syllabus Topics:

SectionWeightObjectives
Create and manage container images30%- Write and use Containerfile
  • 1. Define base images
    • 2. Expose ports and set environment variables
      • 3. Add content and configure runtime settings
        - Manage image lifecycle
        • 1. Build, tag, and store images
          • 2. Secure images and registry access
            • 3. Work with public and private registries
              Run and manage containers with Podman40%- Run containers locally
              • 1. Start, stop, and inspect containers
                • 2. Manage volumes and persistent data
                  • 3. Monitor logs and events
                    - Deploy multi-container applications
                    • 1. Manage dependencies, secrets, and configuration
                      • 2. Define application stacks
                        Troubleshoot and secure containerized applications30%- Diagnose and resolve issues
                        • 1. Connect to running containers for debugging
                          • 2. Inspect running applications
                            - Apply security best practices
                            • 1. Control access and permissions
                              • 2. Manage network access and isolation

                                RedHat Red Hat Certified Specialist in Containers Sample Questions:

                                1. The HMM algorithm is a generative model, and CRF is a discriminative model. Both can be used for sequential labeling.

                                A) False
                                B) True


                                2. () The essence of the filter is to minimize the mean square value of the estimation error (defined as the difference between the expected response and the actual output of the filter), which can be applied to image restoration.


                                3. Based on Ascend 310, Huawei has created four products for cloud and edge devices, using different forms to meet customers' performance requirements for inference, namely: Atlas 200 on the device side, Atlas 500 on the edge side, and Atlas 800 and 300 on the data center side.

                                A) False
                                B) True


                                4. Which two commands display the dependencies of a container? (Select two)

                                A) podman list-depends <container>
                                B) podman pod inspect <pod>
                                C) podman ps --depends <container>
                                D) podman inspect <container>


                                5. Which command shows the container host's Podman version?

                                A) podman version
                                B) podman info
                                C) podman --version
                                D) podman config


                                Solutions:

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

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