Pass the Blockchain Blockchain Solution Architect CBSA Questions and answers with CertsForce

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Viewing questions 61-70 out of questions
Questions # 61:

In the Proof of Stake(POS) algorithm the miners are really known as ___________?

Options:

A.

Notary


B.

Oracle


C.

Forgers


D.

Minters


Questions # 62:

In any cryptographic system, the key components are: the secret, the function, the key and the _______.

Options:

A.

Cipher


B.

Hash


C.

Token


D.

None of the above


Questions # 63:

What is a development language which lets developers solve any class of problem in existence given infinite time and resources?

Options:

A.

Turing Complete


B.

Turing Incomplete


C.

Solidity


D.

Mist


E.

JVM


F.

EVM


Questions # 64:

On the Ethereum blockchain the “nonce” of a transaction:

Options:

A.

Holds the gas amount to be paid to the miner writing the block that contains the transaction


B.

Is used to ensure that transactions by a given account are written in sequential order


C.

Is reset to zero after each successfully mined blocked


D.

Must always start with four zeroes


Questions # 65:

In Hyperledger there are three distinct types of nodes.

What are the three types of nodes? (Select three.)

1. Client Node: That initiates the transaction

2. Peer Nodes: Commits Transaction & keeps the data in sync across the ledger

3. Ordered: They are the communication backbones and responsible for the distribution of

the transactions.

Options:

A.

Client Node


B.

Ordered Node


C.

Certificate Node


D.

Anchor


E.

Peer Node


Questions # 66:

A product’s supply chain data is stored on blockchain. Only members of the product supply chain can write announcements to the blockchain but any consumer can query this data in a store to learn more about the product they want to buy. This is an example of a ____/____ blockchain.

Options:

A.

public /closed


B.

private / open


C.

private / closed


D.

public / open


Questions # 67:

The “Nothing-at-Stake” problem that could be realized by Proof of Stake networks would be caused by what?

Options:

A.

If all of the validator nodes are taken offline


B.

If validator nodes reject all transactions


C.

Validator nodes approving all transactions on old and new software after a hard fork occurs


D.

All of the above


Questions # 68:

To approve pending ledger transactions, consensus algorithms often implement:

Options:

A.

Byzantine Fault Tolerance


B.

Access Control


C.

Kerckhoffs’s Principle


D.

Common Weakness Enumeration


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Viewing questions 61-70 out of questions