Create Next App

Exam contains 99 questions

Page 1 of 17

Question 1 🔥

Which is the right order for Denominations?

Which database solution meets these requirements?

A. Wei, Finney, Szabo, Ether, Tether.

Highly voted

B. Finney, Szabo, Mether, Gwei.

Highly voted

C. Gwei, Szabo, Finney, Ether.

Highly voted

Discussion of the question

Question 2 🔥

The nonce-field in a transaction is used:

Which database solution meets these requirements?

A. to protect against replay attacks.

Highly voted

B. to have an additional checksum for transactions.

Highly voted

C. to sum up all ethers sent from that address.

Highly voted

Discussion of the question

Question 3 🔥

Which statement is true about the EVM?

Which database solution meets these requirements?

A. While the EVM is Sandboxed, it isn't as powerful as the Bitcoin Network, because it's not Turing Complete.

Highly voted

B. The EVM can't access hardware layers or anything outside a blockchain node because it's sandboxed.

Highly voted

C. The EVM is extremely powerful, turing complete and perfect for doing computational intensive things, because of the direct access to the graphics card.

Highly voted

Discussion of the question

Question 4 🔥

DApps are:

Which database solution meets these requirements?

A. 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.

Highly voted

B. 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.

Highly voted

C. 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.

Highly voted

Discussion of the question

Question 5 🔥

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

Which database solution meets these requirements?

A. to use it for the whole business logic. It’s always best to have everything in once place.

Highly voted

B. to use it only for things which need the benefits of the blockchain.

Highly voted

Discussion of the question

Question 6 🔥

Consensus is reached:

Which database solution meets these requirements?

A. by the miner nodes which make sure that a transaction is valid.

Highly voted

B. by every single node in the blockchain network executing the same transaction.

Highly voted

C. by a cryptographic secure signature algorithm called ECDSA which makes sure that cheating is impossible.

Highly voted

Discussion of the question

Ready to Pass Your Certification Test

blockchain CBDE

Exam contains 99 questions

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