Prepare with RedHat : EX188 exam braindumps as your best preparation materials
Updated: Oct 11, 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 |
| Exam Duration: | 180 minutes |
| Exam Format: | Hands-on Lab, Performance-based |
| Passing Score: | 70% |
| Exam Price: | $500 USD |
| Certificate Validity Period: | 3 years |
| Related Certifications: | Red Hat Certified Architect (RHCA) Red Hat Certified Developer in Cloud-native Applications |
| Available Languages: | English |
| Real Exam Qty: | Performance-based practical tasks |
| 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:
| Section | Objectives |
|---|---|
| Topic 1: Understand and Use Containers | - Understand container concepts
|
| Topic 2: Manage Container Images | - Work with container registries
|
| Topic 3: Deploy and Manage Containerized Applications | - Run applications in containers
|
| Topic 4: Troubleshoot Containers | - Diagnose container issues
|
| Topic 5: Work with Kubernetes and OpenShift | - Container orchestration basics
|
| Topic 6: Create Custom Container Images | - Build custom images
|
RedHat Red Hat Certified Specialist in Containers Sample Questions:
How do you display all environment variables set for a running container?
- A. podman inspect --env <container>
- B. podman top <container> --env
- C. podman logs <container> --env
- D. podman exec <container> env
Correct Answer: D 🗳️
Explanation: Only visible for BraindumpQuiz members. You can sign-up / login (it's free).
What does podman ps -a display?
- A. Only running containers
- B. Detailed container configuration
- C. All container events
- D. All containers, including stopped ones
Correct Answer: D 🗳️
Explanation: Only visible for BraindumpQuiz members. You can sign-up / login (it's free).
How do you expose a container's port without binding it to a host port?
- A. podman run --expose
- B. podman run --publish
- C. podman run --bind
- D. podman run --map
Correct Answer: A 🗳️
Explanation: Only visible for BraindumpQuiz members. You can sign-up / login (it's free).
How do you inspect the configuration of a running container?
- A. podman view <container>
- B. podman status <container>
- C. podman ps --config
- D. podman inspect <container>
Correct Answer: D 🗳️
Explanation: Only visible for BraindumpQuiz members. You can sign-up / login (it's free).
In the grayscale change experiment of image preprocessing, the gamma change function is defined as follows:
Xxxxxxxxxx
Def gamma_trans (img, gamma):
Gamma_list = [ np.power (x/255.0,gamma)*255.0 for x in range(256)]
Gamma_table = np.round ( np.array ( gamma_list )). astype (np.uint8)
Return cv2.LUT(img , gamma_table )
When the gamma value is 0.5, the bright part is stretched and the dark part is compressed.
- A. False
- B. True
Correct Answer: A 🗳️
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