EX378Red Hat Certified Cloud-native Developer exam practice test
135 Red Hat EX378 practice questions with explanations, in study, timed and flashcard modes. 12 samples are free.
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All 135 questions with explanations · Study, timed and flashcard modes · Progress saved, resume any time
- Questions
- 135
- Free samples
- 12
- Versions
- 1
- Updated
- Mar 2026
Practice EX378 in the simulator.
Study, timed and flashcard modes. Answers and explanations as you go, and your progress saves.
EX378, by the numbers.
Official specifications published by Red Hat.
- Duration
- 180 min
- Questions
- N/A - performance-based tasks (not discrete questions)
- Passing score
- 210 out of 300 (70%)
- Exam fee
- $500
- In the bank
- v1 (135)

Everything about EX378.
EX378 · Red Hat · Based on Red Hat Build of Quarkus v3.8
Exam information
Official specifications published by Red Hat, plus what is in our question bank.
- Duration
- 180 min
- Questions
- N/A - performance-based tasks (not discrete questions)
- Passing score
- 210 out of 300 (70%)
- Level
- Specialist
- Question types
- Hands-on tasks on a live system - no multiple choice
What EX378 covers
11 weighted domains. Open a domain for its topics, and a topic for its objectives. Practice questions are tagged to these.
How do I earn this certification?
Passing EX378 earns the Red Hat Certified Cloud-native Developer (RHCCD) in the Developer / Enterprise Applications track.
- No formal prerequisites requiredoptional
How to study for this exam?
Use the EX378 practice test alongside the official material below.
- redhat.com · red hat cloud native microservices development quarkus do378instructor-led / virtual · Included with Red Hat Learning Subscription or purchased separately
Primary preparation course. Covers microservice architecture, Quarkus runtime, developer tooling, unit/integration testing, reactive architectures, securing microservices, deploying on OpenShift, fault tolerance, and health checks.
- redhat.com · red hat cloud native microservices development with quarkus and examcourse + exam bundle · Bundled pricing (typically more cost-effective than purchasing separately)
Bundled option that includes the DO378 course content plus the EX378 certification exam.
- Red Hat Build of Quarkus Documentationofficial_documentation
- Red Hat Exam Preparation Guideexam_preparation
What's changed on this exam?
Status and coverage changes that affect what you should study.
- Current status
- ACTIVE
- Last content update
- Feb 10, 2026
Who should take this exam?
EX378 is typically taken by Java developers who are implementing services using Quarkus, Developers who want to be more productive using a faster, dynamic and composable Java framework and Red Hat Certified professionals who wish to pursue Red Hat Certified Architect (RHCA) certification. Experience level: intermediate.
Three ways to practise
Study mode
Work through the bank at your own pace with the answer and explanation one tap away. Flag questions, add notes, bookmark the hard ones.
Open in the simulatorTimed mode
A shuffled deck with a countdown that mirrors the real exam. Your score is saved to your attempt history.
Open in the simulatorFlashcards
Question on the front, answer on the back. Good for the last week before the exam.
Open in the simulator
