What Does EX288 Mean?

The Short Answer: What EX288 Stands For

On this site, EX288 means exactly one thing: the exam code for the Red Hat Certified Advanced Developer in Cloud-native Applications credential, issued by Red Hat, Inc. It is not a bundle of letters that expand into a phrase. It is a catalog identifier, the same way Red Hat labels its other performance-based exams with an "EX" prefix and a number.

If you landed here after searching for related phrasing, our pages on what EX288 is, the meaning of EX288, and what EX288 stands for cover the same ground from slightly different angles. This article goes one level deeper: it explains how the code relates to the training course, the credential title, the exam format, and the OpenShift skills you will be asked to demonstrate.

Decoding the Code: EX, 288 and the DO288 Connection

Red Hat's certification catalog follows a recognizable pattern. Exams carry an EX prefix, while the matching instructor-led or self-paced courses carry a DO prefix (for the developer-oriented OpenShift line). The numeric portion is shared, which is why EX288 pairs naturally with DO288, the course titled Red Hat OpenShift Developer II: Building and Deploying Cloud-native Applications.

That pairing matters for planning. Red Hat's current exam page recommends three courses for candidates: DO180, DO188 and DO288, along with a careful review of the exam objectives. Note the word "recommends." The training is advised preparation, not a mandatory eligibility gate. The published material does not specify a required degree, a fixed number of experience hours, or an EX188 prerequisite for simply sitting EX288. For a fuller treatment of eligibility, see our guide to EX288 requirements and how to qualify.

The Credential Behind the Code

The full title is Red Hat Certified Advanced Developer in Cloud-native Applications. Red Hat's skills framework update effective May 11, 2026 renamed the former Specialist in OpenShift Application Development credential to this current title. If you see older material (study notes, forum posts, résumés) using the earlier name or the "Red Hat Certified OpenShift Application Developer" phrasing in the page URL, they refer to the same lineage, now carrying the updated name.

A separate path exists: the Engineer in Cloud-native Applications credential requires both EX188 and EX288. That combined credential is a different thing from the EX288 credential covered here, so keep the two distinct when you update a profile or discuss your certifications with a recruiter. Our overview of the EX288 certification and the explainer on what EX288 certification is frame the credential's place in the broader catalog.

What the Exam Actually Looks Like

The single most important thing about EX288 is that it is not a multiple-choice test. Candidates complete hands-on performance tasks on a live Red Hat OpenShift environment. The published duration is four hours. Red Hat does not publicly specify the exact number of tasks or how they split between scored and unscored items, so any figure you see quoted elsewhere is not issuer-confirmed.

Two details shape how you should practice. First, success is judged on the final state of your configuration, so a nearly correct deployment that does not actually serve traffic or build properly earns nothing. Second, configurations and services must persist through the normal platform lifecycle without intervention. A route that works only because you manually restarted something will not survive that standard. For deeper discussion, read what we know about the EX288 passing score and what the data does and does not show on pass rates.

The 11 Objective Areas in Plain Language

Red Hat's exam page lists 11 top-level objective headings. They are headings, not percentage-weighted domains; Red Hat does not publish weights or identify a highest-weighted area. Here is what each one means for a candidate sitting in front of a terminal.

For a deeper tour of each area, our complete guide to all 11 EX288 content areas goes further than this overview.

Booking, Fees and Delivery Mechanics

Red Hat administers its own proctored examinations, and options include remote delivery, individual testing stations and classroom sessions, subject to availability for the exact exam. There is no verified Pearson VUE or PSI appointment process for EX288, so look to Red Hat's own scheduling flow rather than a third-party test center portal.

• Fee: The Red Hat certification program guide lists a standard list price of USD 500 per certification exam. Regional pricing and your actual checkout total may differ, and no member versus non-member price difference is published in the reviewed issuer material.
• Retake benefit: Under current program policy, an initially purchased paid exam includes one free second attempt.
• Remote delivery: Requires compatible equipment and proctoring under the booked exam's technical rules, so test your setup well before exam day.
• Results: The exam page says results usually arrive within 3 US business days and are reported as total scores; the program guide says within 5 business days with objective-area feedback. These two statements conflict, so plan for the longer window. Neither provides individual item feedback.

Our breakdown of EX288 certification cost and the scheduling explainer on EX288 exam dates and deadlines unpack the budgeting and calendar side.

The Version Trap: Which OpenShift Release Are You Testing On?

This is where many candidates get tripped up. Red Hat's current public exam page specifies OpenShift Container Platform 4.22 (accessed October 14, 2026). The current DO288 course page also says 4.22. But the DO289 course-with-exam page still says 4.18, and a public Udemy listing updated in August 2026 states 4.18 and a three-hour duration. Those third-party and bundle details conflict with the current exam page.

Red Hat has not published a separately dated blueprint year, and the linked version-specific objectives were not independently retrieved for every bookable version. Treat any claim that your study material covers "every version" with caution.

Name Changes and Related Credentials

Because the credential was renamed, you will encounter several labels for what is functionally the same exam lineage. Understanding which is which prevents wasted searching and mislabeled résumé lines.

The same naming question surfaces in our short explainers on what EX288 means and what a EX288 is, which are useful if you are sharing the answer with a colleague or hiring manager who simply wants the one-paragraph version.

Who Cares About This Credential

The skills EX288 measures map to roles where people build and ship applications on OpenShift: application developers moving workloads onto Kubernetes-based platforms, platform-adjacent developers who own build and deployment pipelines, and DevOps-leaning engineers who bridge source code and running services. Employers in organizations standardized on Red Hat OpenShift tend to value a hands-on credential because it demonstrates that you can complete real tasks, not just answer questions.

We do not publish invented salary numbers here. For a qualitative look at the market, see our pages on EX288 jobs, the EX288 salary analysis, and the EX288 ROI discussion.

Sequencing Your Preparation Around the Objectives

Because Red Hat gives no domain weights, spread your time across all 11 objectives rather than gambling on a favorite. The order matters, though: later topics depend on earlier ones. Below is one EX288-specific way to sequence the work.

For the full plan, work through the EX288 study guide, keep the one-page EX288 cheat sheet beside you for quick recall, and gauge honestly where you stand with our difficulty guide. Courses are also summarized on our EX288 training page, and you can pressure-test your readiness with the EX288 practice tests.

Validity and Renewal in One Glance

The credential is current for three years. Red Hat's dated May 2026 FAQ describes renewal by retaking the highest-level exam, adding a certification at the same level, or advancing to a higher level within its framework, and the program guide also supports retaking the original exam. The common verified route for EX288 is simply retaking it while your credential is still current.

One caveat: a legacy renewal page still says Specialist credentials can only be renewed by retaking their respective exams and uses "non-current" rather than "expired" language. The newer guide uses expiration wording. Where they differ, prefer the dated May 2026 framework and FAQ, and check your transcript for the rules that apply to you. Red Hat publishes no EX288-specific CEU quota or CEU-only renewal route. Rely on the exam retake, and use the practice test hub to refresh before you sit it again.

Frequently Asked Questions