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RedHat EX188 Exam Overview:
| Certification Vendor: | Red Hat |
|---|---|
| Exam Name: | Red Hat Certified Specialist in Containers Exam |
| Exam Number: | EX188 |
| Exam Duration: | 150 minutes |
| Exam Format: | Hands-on performance-based exam, Practical tasks in a real environment |
| Available Languages: | English |
| Certificate Validity Period: | 3 years |
| Passing Score: | Not publicly disclosed |
| Related Certifications: | Red Hat Certified Architect (RHCA) |
| Exam Price: | USD 400 - 500 (varies by region) |
| Real Exam Qty: | Performance-based tasks only, no fixed number of questions |
| Recommended Training: | DO188 - Introduction to Containers with Podman |
| Exam Registration: | Red Hat Certification Portal |
| 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:
| Section | Weight | Objectives |
|---|---|---|
| Troubleshoot and secure containerized applications | 30% | - Apply security best practices
|
| Create and manage container images | 30% | - Write and use Containerfile
|
| Run and manage containers with Podman | 40% | - Deploy multi-container applications
|
Common Questions About the RedHat EX188 Exam
The EX188 exam, officially known as RedHat Red Hat Certified Specialist in Containers, is the RedHat test that leads to the Red Hat Certified Specialist in Containers certification at the Specialist level. Passing it validates the skills employers expect from a certified professional. It is also associated with related credentials such as Red Hat Certified Architect (RHCA).
The EX188 exam contains Performance-based tasks only, no fixed number of questions questions, and you have 150 minutes to complete them. Work out your per-question pace before test day, and flag slow items instead of stalling on them — time pressure, not knowledge, sinks many first attempts. Timed mock exams in the Actual4Exams test engines are the most reliable way to build that rhythm.
The passing score for the EX188 exam is Not publicly disclosed, and the official registration fee is USD 400 - 500 (varies by region). If you miss the mark, a retake means paying the full fee again, so book your seat only when you are ready. A practical benchmark: score consistently above the passing line on timed practice tests before scheduling the real exam.
Recommended: Complete DO188 - Introduction to Containers with Podman or equivalent experience; basic Linux command line skills
Entry requirements can change, so confirm the latest conditions on the official exam page: https://www.redhat.com/en/services/training/ex188-red-hat-certified-specialist-containers-exam.
You can book the EX188 exam through the official registration channels below:
Exam delivery: Online proctored or onsite at authorized test centers; no internet access allowed during exam. Seats at popular test centers fill quickly, so schedule early once your preparation is on track.
RedHat recommends the following training options for RedHat Red Hat Certified Specialist in Containers candidates:
Pair any course with the 955 practice questions from Actual4Exams to measure how ready you really are before paying the exam fee.
Yes. A free PDF demo of the RedHat Red Hat Certified Specialist in Containers questions is available, so you can check the question style and answer quality before you pay. Every purchase also includes 365 days of free updates, and if the product expires you can renew the update service at a 50% discount from your member zone.
If you take the corresponding EX188 exam within 60 days of purchase and do not pass, you can apply for a full refund under the 100% Money Back Guarantee: submit a scan of your enrollment slip and your official Score Report (PDF) within 2 days of the exam date, and the claim is processed within 7 days. Attempts made within 3 days of purchase, downloads without an actual exam attempt, free materials, and expired orders are not eligible, and the candidate name must match the payer name. Prefer new material instead of a refund? You can exchange your purchase for two free products of equal value and keep the update service on your original product. As for delivery, the files are available for instant download and are also emailed to you within one minute of payment — if nothing arrives within 2 hours, contact customer service. There is no limit on how many computers you can install the product on.
The official RedHat Red Hat Certified Specialist in Containers outline is organized into 3 domains. The first three are:
- Create and manage container images — 30% of the exam
- Run and manage containers with Podman — 40% of the exam
- Troubleshoot and secure containerized applications — 30% of the exam
See the complete exam topics section above for the full outline and the weighting of every domain.
RedHat Red Hat Certified Specialist in Containers Sample Questions:
Question 1
Which command creates a container with a read-only filesystem?
A. podman create --rofs <image>
B. podman exec --readonly <image>
C. podman start --rofs <image>
D. podman run --readonly <image>
Question 2
Which of the following options does not belong to the gate of the LSTM cell?
A. Input Gate
B. Output Gate
C. Forget Gate
D. Memory Gate
Question 3
Which two commands back up an image with its metadata? (Select two)
A. podman save
B. podman export
C. podman commit
D. skopeo copy
Question 4
Which two options are best practices for securing container images? (Select two)
A. Regularly update images
B. Run as root
C. Use --privileged mode
D. Use minimal base images
Question 5
Which activation function is used by the forget gate in LSTM?
A. ReLu
B. Tanh
C. Sigmoid
D. Softmax
Solutions:
| Question 1 Answer: D | Question 2 Answer: D | Question 3 Answer: A,D | Question 4 Answer: A,D | Question 5 Answer: C |
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