info@prep2certs.com

Expert-Checked • Online Access • Free
FacebookTwitterYoutube

Blockchain CBDE Exam Dumps

Vendor

Blockchain

Exam Code

CBDE

Exam Name

BTA Certified Blockchain Developer - Ethereum

Exam Duration

Total Questions

102

$ 49

PDF VERSION

DEMO QUESTIONS

Q1: If you are starting a new ERC20 token:

A: it would be best to start from scratch, just looking at the required interface.

B: it is beneficial to copy and paste the already existing code from the Ethereum wiki and modify this until you like it.

C: best is to start with an audited implementation, for example from OpenZeppelin, in order to reuse already existing code.

Correct Answer: C

Q2: Why is Unit-Testing so important?

A: It helps you to find bugs, regression bugs and sometimes also helps you to understand your code from different angles.

B: It is a great way to spend time on something that you get paid for. But ultimately it will just slow down the development process.

Correct Answer: A

Q3: If you are starting a new ERC20 token:

A: it would be best to start from scratch, just looking at the required interface.

B: it is beneficial to copy and paste the already existing code from the Ethereum wiki and modify this until you like it.

C: best is to start with an audited implementation, for example from OpenZeppelin, in order to reuse already existing code.

Correct Answer: C

Q4: What is the difference between ERC20 and ERC721 Tokens in simple terms?

A: The tokens of a certain ERC20 symbol are all the same, the tokens of an ERC721 symbol are all different. So, ERC20 tokens are fungible, while ERC721 tokens are non-fungible.

B: The tokens of a certain ERC20 symbol are all different, the tokens of an ERC721 symbol are all the same. So, ERC20 tokens are non-fungible while ERC721 tokens are fungible.

Correct Answer: A

Q5: To generate a random number:

A: it's good to use the block timestamp, as this is always different.

B: it's good to use the block hash as this is clearly always very different.

C: it's good to use the RANDAO smart contract.

D: it's not possible to have a random number in a deterministic environment such as the Ethereum blockchain.

Correct Answer: C

Testimonials – Real Results From Real Students

Your success is our priority. We’re proud to share authentic reviews from students who trusted us, passed their exams, and reached their goals with confidence.
John Doe
John Doe
This site has been a game-changer for my certification journey. The materials are current, reliable, and best of all—free! It's clear they're committed to supporting the IT community.
Emma
Emma
I passed my CompTIA Security+ exam on the first try thanks to this site. Their practice exams and study guides are top-notch. Highly recommend it to anyone serious about IT certifications.
Liam
Liam
I’ve passed three certifications using this site. Their materials are detailed and well-structured, and the fact that it’s free makes it even better.
Isabella
Isabella
If you're studying for any IT certification, this should be your first stop. It’s comprehensive, organized, and constantly updated.
Benjamin
Benjamin
This website helped me prepare for multiple certifications, and today I’m working in cybersecurity. Without their free resources, I wouldn’t be here.

Frequently Asked Question (FAQ's)

Have questions? You’re not alone. We’ve answered the most frequently asked questions to help you feel confident and informed every step of the way.
What is Prep2Certs?

Prep2Certsis a premium service offering a comprehensive collection of exam questions and answers for over 1400 certification exams. It is regularly updated and designed to help users pass their certification exams confidently.

Please contact info@Prep2Certs.com and we will provide you with alternative payment options.

You can by Contacting our sales team.

Free updates are available for the duration of your subscription, after the subscription is expired, your access will no longer be available.
FacebookTwitterYoutube

info@prep2certs.com