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CBDE: BTA Certified Blockchain Developer - Ethereum

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Exam Questions:
102
 Learners
  2.370
Last Updated
May - 2025
Language
English
3 Quizzes
PDF | VPLUS
This study guide should help you understand what to expect on the exam and includes a summary of the topics the exam might cover and links to additional resources. The information and materials in this document should help you focus your studies as you prepare for the exam.

Related questions

Question 1

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To develop smart contracts:

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Question 2

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Integrating the community into your testing:

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Question 3

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To get most out of the blockchain, it is best:

to use it for the whole business logic. It’s always best to have everything in once place.
to use it for the whole business logic. It’s always best to have everything in once place.
to use it only for things which need the benefits of the blockchain.
to use it only for things which need the benefits of the blockchain.
Suggested answer: B
asked 16/09/2024
Rajiesh George
44 questions

Question 4

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Loops in Solidity:

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Question 5

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DApps are:

great, because they cut the middle man, run on a trusted platform, apply logic to the blockchain where already economic assets are running and thus allow peer to peer trade.
great, because they cut the middle man, run on a trusted platform, apply logic to the blockchain where already economic assets are running and thus allow peer to peer trade.
an amazing way to create new applications. Those applications run entirely separated from other applications on the platform and allow for logical interactions. They can't access any funds to add an additional layer of trust.
an amazing way to create new applications. Those applications run entirely separated from other applications on the platform and allow for logical interactions. They can't access any funds to add an additional layer of trust.
a new way of applying logical operations for banks and big financial institutions. This way they can reduce the staff while operating at increased security.
a new way of applying logical operations for banks and big financial institutions. This way they can reduce the staff while operating at increased security.
Suggested answer: B
asked 16/09/2024
Georgios Kavvalakis
36 questions

Question 6

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To generate a random number:

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Question 7

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Variables of the type address store:

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Question 8

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If we divide two integers:

5/2, the result is:

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Question 9

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Single line comments in Solidity are:

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Question 10

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Solidity gets compiled:

to bytecode that can't be understood by humans.
to bytecode that can't be understood by humans.
to bytecodes which are essentially opcodes running instruction by instruction.
to bytecodes which are essentially opcodes running instruction by instruction.
Suggested answer: B
asked 16/09/2024
Maria Janice Lecias
55 questions