Online Exam

Certified Blockchain Associate

Thank you for joining us for the Certified Blockchain Associate workshop exam. We’re excited to see you apply what you’ve learned and take this important step in validating your skills and knowledge.

 

instructions:

Time Limit: You have 45 mins to complete​

Number of Questions: The exam consists of 20 MCQ-type questions

Passing Criteria: A passing score of 65% is required to succeed.​

/20

Certified Blockchain Associate

The number of attempts remaining is 3

Please enter your information below to start the exam.

1 / 20

Which consensus mechanism is used by Bitcoin blockchain?

2 / 20

Transactions on a blockchain are irreversible.

3 / 20

Smart contracts are only used in private blockchains.

4 / 20

Which of the following is a limitation of blockchain technology?

5 / 20

What is the main advantage of using a private blockchain over a public blockchain?

6 / 20

Blockchains record the transfer and ensures the finality of the transaction?

7 / 20

What is the primary purpose of blockchain technology?

8 / 20

Generally, transactions on public blockchains are transparent?

9 / 20

Which of the following is not a type of blockchain?

10 / 20

Which of the following is a characteristic of a public blockchain?

11 / 20

Blockchain is a centralized database system.

12 / 20

Which of the following is an advantage of using blockchain technology?

13 / 20

Ethereum is an open-sourced platform for decentralized applications.

14 / 20

Smart contracts are written in computer code but not self-executing transactions.

15 / 20

A contract agreement in blockchain is represented as a smart contract?

16 / 20

Blockchain technology is only useful for financial transactions.

17 / 20

From the list below, what is the limitation of smart contracts:

18 / 20

Blockchain can NOT be used for:

19 / 20

What is the process of verifying and adding transactions to a blockchain called?

20 / 20

Gas is used for all transactions on Ethereum.

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