Blockchain CBDE Exam Prep Course (Premium File)
AI-Powered BTA Certified Blockchain Developer - Ethereum Exam - Pass on Your First Try

Last updated on May 17, 2026

 CBDE Practice Exam
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CBDE Package
Premium File (PDF): 100 Questions
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Duration & Delievery: Self Paced
Last Updated: 17-May-2026
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All BTA Certified Blockchain Developer - Ethereum certification learning material, study guide, training courses are created by a team of Blockchain training experts. The Study Guide and .EXM training software files contain relevant BTA Certified Blockchain Developer - Ethereum content, labs, practice questions and explanation. This CBDE exam guide and training courses is based on the latest exam outlines available!

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BTA Certified Blockchain Developer - Ethereum Study package designed to help you confidently pass your exam.

The CBDE Exam Prep Features:

  • Contains the most relevant and up to date CBDE study material covering all exam topics on the latest CBDE certification.
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How to Prepare and Pass the Blockchain CBDE Exam

If you're a student interested in blockchain technology and want to enhance your knowledge and credibility in this field, taking the Certified Blockchain Developer - Ethereum (CBDE) exam can be a great step forward. The CBDE certification, offered by the Blockchain Training Alliance, validates your understanding and proficiency in developing decentralized applications (DApps) using the Ethereum blockchain.

About the CBDE Exam

The CBDE exam is designed to test your practical skills and knowledge in various aspects of blockchain development using the Ethereum platform. It covers a wide range of topics, including smart contract development, Solidity programming language, Ethereum Virtual Machine (EVM), blockchain architecture, security best practices, and more.

To ensure the accuracy and up-to-date information regarding the CBDE exam, it is highly recommended to visit the official website of the Blockchain Training Alliance (https://blockchaintrainingalliance.com/). There, you will find the most recent and comprehensive details about the exam structure, prerequisites, fees, and registration process.

Tips for Passing the CBDE Exam

Preparing for any certification exam requires a strategic approach and dedicated effort. Here are some actionable tips to help you prepare and increase your chances of success in the CBDE exam:

1. Understand the Exam Objectives

Start by thoroughly understanding the exam objectives outlined by the Blockchain Training Alliance. This will give you a clear idea of the topics you need to focus on during your preparation.

2. Review the Official Exam Resources

Make use of the official resources recommended by the Blockchain Training Alliance. These may include study guides, whitepapers, documentation, and online courses specifically designed to help you gain the required knowledge and skills.

3. Hands-on Experience

Blockchain development is a practical field, and hands-on experience is invaluable. Take the time to work on real-world projects and practice developing DApps using the Ethereum platform. This will give you a deeper understanding of the concepts and help you familiarize yourself with the tools and technologies involved.

4. Solidity Programming

Master the Solidity programming language, which is widely used for smart contract development on the Ethereum blockchain. Understand its syntax, data types, control structures, and object-oriented concepts. Practice writing smart contracts to strengthen your programming skills.

5. Explore Ethereum Ecosystem

Gain a comprehensive understanding of the Ethereum ecosystem, including Ethereum Virtual Machine (EVM), gas optimization techniques, and various tools and frameworks available for Ethereum development. Stay updated with the latest developments in the Ethereum community.

6. Security Best Practices

Security is a critical aspect of blockchain development. Familiarize yourself with best practices for smart contract security, secure coding, and protecting against common vulnerabilities. Understand the importance of audits and testing methodologies to ensure robust and secure DApps.

7. Join Developer Communities

Engage with the blockchain developer community by joining forums, online communities, and attending meetups or conferences. Collaborating with peers and experts can provide valuable insights, resources, and support during your preparation journey.

8. Practice Mock Exams

Take advantage of practice exams and mock tests to evaluate your knowledge and identify areas where you need improvement. Analyze your performance and focus on strengthening your weak areas.

9. Stay Calm and Confident

Approach the exam day with a calm and confident mindset. Trust in the knowledge and skills you have acquired during your preparation. Remember to manage your time effectively during the exam to ensure you complete all the tasks.

10. Continuous Learning

Blockchain technology is constantly evolving, and staying updated is crucial. Even after passing the CBDE exam, continue learning and exploring new developments in the field. This will help you maintain your expertise and adapt to the changing landscape of blockchain technology.

By following these tips and dedicating sufficient time and effort to your preparation, you can increase your chances of successfully passing the CBDE exam and achieving the prestigious Certified Blockchain Developer - Ethereum certification.

Good luck!

Blockchain

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VirtuLearn AI

Question 0:
You’re right to question it, but in this exam context the correct option is A: create_resource("res1", "ComputerVision", "F0", "westus").
Why:

  • The task is to generate captions of images, which uses the Computer Vision resource, not Custom Vision.
  • The requirement specifies a free Azure resource, so you should use the free tier F0 in the West US region.
  • The other options either use the wrong service (CustomVision.Prediction) or a paid tier (S0).

If you’ve seen F0 not available for Computer Vision in your actual Azure portal, that’s a portal/region nuance, but for the exam scenario the expected choice is A.

Singapore, Singapore

VirtuLearn AI

Question 17:

  • Correct answer: A

  • Why: To generate captions of images, you need a ComputerVision resource, not CustomVision.Prediction. The task specifies a free Azure resource, so use the free tier F0 and set the location to westus. The other options either use the wrong service (Custom Vision) or use a paid tier (S0). The function call should be:
create_resource("res1", "ComputerVision", "F0", "westus")

Singapore, Singapore

VirtuLearn AI

Question 46:

  • The correct completion is: collection of information concepts and their relationships to one another.

  • In TOGAF/Enterprise Architecture, an information map is a visual representation of the information landscape. It shows what information assets exist, where they reside, and how they relate and flow between systems. It helps identify key data concepts, their locations, and the dependencies between them.

Hersonissos, Greece

VirtuLearn AI

Question 1810:

  • Correct answer: C — User acceptance testing (UAT)

  • Why: In year two, business processes are updated to implement new functionality. UAT verifies that the new functionality meets business requirements, is usable by end users, and supports necessary controls and reporting. It provides the final confirmation before go-live.

  • Why the others are weaker:
- Data migration: important, but primarily a year-one activity focused on moving data, not validating the new functionality. - Sociability testing: (not a standard term here) generally would cover technical or integration aspects rather than end-user acceptance of new processes. - Initial user access provisioning: security setup; important but not the primary focus for validating updated business processes.
  • Practical tip: base UAT on real business scenarios, ensure the UAT environment mirrors production, require business owner sign-off, and maintain traceability between requirements and test cases.

Riyadh, Saudi Arabia

VirtuLearn AI

Question 1807:

  • Correct answer: D — Previous system interface testing records

  • Why: since the two business-critical systems haven’t been tested since implementation, the most relevant evidence for planning an audit is what was previously tested on the interfaces between those systems. These records show the actual interface test scope, data mappings, validation rules, error handling, and reconciliation checks, and help identify gaps to address during the audit.

  • Why others are weaker:
- Quality assurance (QA) testing: broad quality checks, not specifically focused on the data-transfer interfaces. - System change logs: show changes but not whether interfaces were tested or validated. - IT testing policies and procedures: provide governance guidance, not concrete evidence of past interface testing.
  • Practical tip: use the records to define test objectives, identify missing interface controls, and plan targeted re-testing or validation of data integrity across the interfaces.

Riyadh, Saudi Arabia

VirtuLearn AI

Question 1813:
Correct answer: C

  • SAST (Static Analysis Security Testing) identifies security vulnerabilities in source code in the development environment by analyzing the code without executing it. It’s typically integrated into the SDLC (e.g., during coding or CI/CD) to catch issues early.

Why the others are less appropriate for this scenario:
  • DAST (Dynamic Analysis Security Testing) tests a running application from an external perspective to find runtime vulnerabilities, not the source code.
  • IAST (Interactive Application Security Testing) instruments the running app to detect issues during execution, blending dynamic and some static insights.
  • RASP (Runtime Application Self-Protection) provides protections at runtime inside the application; not a source-code analysis method.

Riyadh, Saudi Arabia

VirtuLearn AI

Question 1811:
Correct answer: D
Reason:

  • If encryption keys are not centrally managed, the DLP tool cannot reliably decrypt and inspect data across the environment. This creates blind spots, weak access control, and auditing issues, undermining the effectiveness of pre-implementation DLP deployment.

Why the others are less critical in this context:
  • Monitor mode vs block mode affects enforcement; monitor-only reduces effectiveness but is not as fundamental a risk as broken key management.
  • Crawlers to discover sensitive data help inventory and classify data; not a primary risk to DLP functionality.
  • Deep packet inspection in transit raises privacy/compliance and performance concerns, but is a known DLP trade-off and manageable with policy controls; key management remains the strongest blocker to effective DLP.

Riyadh, Saudi Arabia

VirtuLearn AI

Question 121:

  • Correct answer: B — a virtual network for FinServer and another virtual network for all the other servers.

  • Why:
- In Azure, network segmentation is done with VNets. Putting FinServer in a separate VNet gives it its own IP space and network boundaries, isolating it from the other servers. - A resource group is for organizing resources and RBAC, not for network isolation. - A VPN with a gateway or multiple gateways is unnecessary for simple separation; it’s used for connectivity, not just segmentation. - One resource group with a lock does not affect network isolation.
  • Quick note:
- If you later need communication between the two VNets, you can use VNet peering (or a VPN gateway) to enable controlled connectivity while maintaining isolation.

Rudolfstetten, Switzerland

VirtuLearn AI

Question 86:

  • Correct answer: Vertical scaling

  • Why: Vertical scaling (scale up/down) means increasing or decreasing the size of a VM by adding memory or CPUs to the same VM. It updates the capacity of a single instance rather than adding more instances.

  • How it compares to other terms:
- Horizontal scaling (scale out/in): changes the number of VM instances, not the size of each one. - Elasticity: broad concept of adapting resources to demand (includes vertical and horizontal scaling). - Agility: general capability; not specific to VM capacity.
  • Takeaway: Use vertical scaling when you need more compute power in a single VM; use horizontal scaling to handle larger workloads by adding more VMs.

Rudolfstetten, Switzerland

VirtuLearn AI

Question 73:
I can’t see the image-based statements in Question 73, so I can’t tell which specific statements are true. But I can explain what this type of question is testing and how to decide Yes/No.
What Question 73 is testing

  • Your understanding of the cloud service models and the shared responsibility model: IaaS, PaaS, and SaaS.
  • For each statement you must decide if it describes the correct responsibility split between you (the customer) and the cloud provider.

Key responsibilities by service model
  • IaaS: You manage the guest OS, applications, and data. The provider manages virtualization, servers, storage, and networking.
  • PaaS: You manage the applications and data. The provider manages the OS, runtime, middleware, and underlying platform.
  • SaaS: You primarily manage user data and access; the provider handles the entire application, runtime, OS, and underlying infrastructure.

How to approach
  • If a statement says you’re responsible for patching the operating system, that’s true for IaaS but false for PaaS/SaaS.
  • If a statement says the provider handles the hardware and network, that’s true for all three, but more specific responsibilities depend on the model.

If you paste the exact statements from Q73, I’ll mark each as Yes/No and explain why.

Rudolfstetten, Switzerland