RedHat EX188 real exam prep : Red Hat Certified Specialist in Containers

  • Exam Code: EX188
  • Exam Name: Red Hat Certified Specialist in Containers
  • Updated: Aug 14, 2026
  • Q&As: 955 Questions and Answers

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RedHat EX188 Exam Syllabus Topics:

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

RedHat Red Hat Certified Specialist in Containers Sample Questions:

1. Which command copies an image between two registries without pulling it locally?

A) skopeo copy
B) podman pull
C) skopeo push
D) podman transfer


2. Which of the following descriptions of the bimodal adaptive threshold segmentation method are correct? (Multiple choice)

A) Histogram bimodal method is an easy-to-understand adaptive threshold algorithm
B) If the image grayscale histogram is obviously bimodal, the grayscale value corresponding to the valley between the two peaks is selected as the threshold for image segmentation.
C) The bimodal method divides the image into foreground and background according to the grayscale characteristics of the image. The larger the inter-class variance between the foreground and the background, the greater the difference between the two parts that make up the image.
D) If the grayscale histogram of the image is very flat or has multiple peaks, the bimodal method cannot be used to obtain a suitable threshold.


3. () 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.


4. The gradient descent algorithm is used to update parameters and find the minimum point of the loss function. Its convergence point depends only on the cost function.

A) False
B) True


5. Which two commands are used to authenticate to a private registry? (Select two)

A) skopeo login
B) podman creds
C) podman login
D) podman auth


Solutions:

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

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