IBM Liberty 2022 Cloud Native Java Developer : C1000-155

  • Exam Code: C1000-155
  • Exam Name: IBM Liberty 2022 Cloud Native Java Developer
  • Updated: Oct 13, 2026
  • Q & A: 0 Questions and Answers

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About IBM C1000-155 Exam

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IBM C1000-155 Exam Overview:

Certification Vendor:IBM
Exam Name:IBM Liberty 2023 Cloud Native Java Developer
Exam Number:C1000-155
Exam Format:Multiple Choice, Hands-on Labs
Exam Duration:90 minutes
Real Exam Qty:63
Exam Price:USD 200
Related Certifications:IBM Certified Developer - Cloud Native Java with IBM Liberty 2023
Passing Score:71%
Available Languages:English
Exam Way:Pearson VUE testing center or Pearson VUE online proctored exam.
Pre Condition:No formal prerequisite exam required. Recommended experience with Java, Jakarta EE, MicroProfile, REST APIs, containers, Kubernetes, and cloud-native application development.
Official Syllabus URL:https://www.ibm.com/training/certification/ibm-certified-developer-cloud-native-java-with-ibm-liberty-2023-C9004800

IBM C1000-155 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Develop Cloud-Native Java Microservices25%- RESTful Services
  • 1. Synchronous Requests
  • 2. REST Clients
  • 3. Asynchronous Requests
- Application Validation
  • 1. Input Validation
- API Technologies
  • 1. GraphQL
  • 2. API Documentation
- Configuration Management
  • 1. Dynamic Configuration
  • 2. Static Configuration
Topic 2: Containerize and Deploy5%- Containerization
  • 1. Podman
  • 2. Docker
- Deployment
  • 1. Open Liberty Operator
  • 2. Kubernetes
Topic 3: Developer Experience and Tools8%- Build and Run Applications
  • 1. Maven
- Liberty Server Management
  • 1. Configure Server
  • 2. Stop Server
  • 3. Start Server
Topic 4: Concepts of Cloud-Native Java and Microservices7%- Standards-Based APIs
  • 1. Jakarta EE
  • 2. MicroProfile
- Cloud-Native Java with Liberty
  • 1. Microservices Architecture
- Cloud-Native Application Principles
  • 1. 12-Factor Applications
  • 2. 15-Factor Applications
Topic 5: Monitor and Troubleshoot8%- Logging and Tracing
  • 1. JSON Log Analysis
  • 2. Log Management
- Performance Monitoring
  • 1. Hung Request Detection
  • 2. Slow Request Detection
  • 3. Metrics Monitoring
Topic 6: Security11%- Web Application Security
  • 1. Input Validation
  • 2. Single Sign-On
- Core Security Concepts
  • 1. Authentication
  • 2. Authorization
- Production Security
  • 1. Security Hardening
  • 2. TLS Communication
- API Security
  • 1. Secure RESTful APIs
  • 2. JWT and SSO
Topic 7: Data Persistence and Transactions6%- Persistence
  • 1. Database Access
  • 2. Java Persistence API (JPA)
- Caching
  • 1. HTTP Session Data
  • 2. Distributed Session Caching
Topic 8: Add Telemetry and Observability to Microservices16%- Health Monitoring
  • 1. Health Checks
- Metrics
  • 1. Application Metrics
Topic 9: Test Microservices6%- Contract Testing
  • 1. API Contract Validation
- Integration Testing
  • 1. True-to-Production Testing
Topic 10: Liberty Concepts8%- Liberty Server Configuration
  • 1. Flexibility
  • 2. Composability
- Java Runtime
  • 1. IBM Semeru
  • 2. OpenJ9
- WebSphere Liberty Features and Zero Migration
  • 1. Liberty Features
  • 2. Zero Migration

C1000-155 Exam FAQ: What Candidates Ask About IBM Liberty 2022 Cloud Native Java Developer

The C1000-155 exam, officially known as IBM Liberty 2022 Cloud Native Java Developer, is the IBM test that leads to the IBM Certification certification at the Professional level. Passing it validates the skills employers expect from a certified professional. It is also associated with related credentials such as IBM Certified Developer - Cloud Native Java with IBM Liberty 2023.

The C1000-155 exam contains 63 questions, and you have 90 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 VCETorrent test engines are the most reliable way to build that rhythm.

The passing score for the C1000-155 exam is 71%, and the official registration fee is USD 200. 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.

No formal prerequisite exam required. Recommended experience with Java, Jakarta EE, MicroProfile, REST APIs, containers, Kubernetes, and cloud-native application development.

Entry requirements can change, so confirm the latest conditions on the official exam page: https://www.ibm.com/training/certification/ibm-certified-developer-cloud-native-java-with-ibm-liberty-2023-C9004800.

Yes. A free PDF demo of the IBM Liberty 2022 Cloud Native Java Developer 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 C1000-155 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 IBM Liberty 2022 Cloud Native Java Developer outline is organized into 10 domains. The first three are:

  • Liberty Concepts — 8% of the exam
  • Developer Experience and Tools — 8% of the exam
  • Containerize and Deploy — 5% of the exam

See the complete exam topics section above for the full outline and the weighting of every domain.

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