Blockchain Developer Test 3

Question 1

Who are miners?

Accepted Answer

Computers that process and verify Blockchain transactions

Answer

A person digging golds

Answer

A person calculating transactions

Answer

Uncertainty blockchain

Question 2

What does the acronym P2P mean?

Accepted Answer

Password to Password

Answer

Person to Person

Answer

Peer to Peer

Answer

Passcode to Passcode

Question 3

How are Blockchain's blocks connected?

Accepted Answer

To the previous block in reverse

Answer

Move on to the following block

Answer

Both

Answer

None of them

Question 4

Which of the following attributes prevents Bitcoin from being anonymous?

Accepted Answer

All transactions are tracked using analytical technology on a worldwide transparent ledger.

Answer

A user's social security number can be used to link bitcoins to them.

Answer

IP addresses are used to create bitcoin addresses.

Answer

Transactions made by Bitcoin users cannot be tracked by anyone.

Question 5

Which members of this blockchain network do B2B transactions?

Accepted Answer

Blockchain User

Answer

Controller

Answer

Assurance Authority

Answer

Ethereum Developer

Question 6

Which of the following is not a Permissioned Blockchain characteristic?

Accepted Answer

All participants have access at the same level

Answer

Evidence of Stake

Answer

Low cost per transaction

Answer

Dependable environment

Question 7

Which of the subsequent programs starts a transaction?

Accepted Answer

Chaincode

Answer

Coding

Answer

B2B

Answer

Client Software

Question 8

Which of the following is a file exported after packaging the Business Network Definition to be deployed somewhere?

Accepted Answer

Business Network Archive (.bna)

Answer

Text file (.txt)

Answer

Script File (.js)

Answer

Portable Document Format (.pdf)

Question 9

One example of asymmetric encryption is which of the following?

Accepted Answer

RSA

Answer

AES

Answer

Triple DES

Answer

BBA

Question 10

What does ScriptPubKey mean?

Accepted Answer

Locking script

Answer

Unlocking script

Answer

Output script

Answer

Input script