1- A node is

Group of answer choices

A blockchain

A computer on a blockchain network

A type of cryptocurrency

An exchange

2- A miner is

Group of answer choices

A type of blockchain

Computers that validate and process blockchain transactions

A person doing calculations to verity a transaction

An algorithm that predicts the next part of the chain

3-A blockchain is

Group of answer choices

A centralized ledger

An exchange

A type of cryptocurrency

A distributed ledger on a peer to peer network

4-Data is permanently recorded on the Bitcoin network through files called

Group of answer choices

Node

Nounce

Safety file

Blocks

5-What is the first block in a blockchain called?

Group of answer choices

First block

Alpha block

Genesis block

Initial block

6-Which of the following is not a cloud computing offering?

Group of answer choices

SaaS

PaaS

IcaS

IaaS

7-Which of the following is not a(n) consensus mechanism

Group of answer choices

Practical Byzantine Fault Tolerance

Multi-signature

Proof of stake

Node compliance

8-The shared ledger has the following characteristics, except for the following

Group of answer choices

Records all transactions across the business network; the shared ledger is the system of record, the single source of truth.

Is shared among all participants in the network; through replication, each participant has a duplicate copy of the ledger.

Transactions are added to the blockchain after permission is obtained by the primary node

Is permissioned, so participants see only those transactions they're authorized to view. Participants have identities that link them to transactions, but they can choose the transaction information that other participants are authorized to view

9-Blockchain builds trust through all of the following attributes except for

Group of answer choices

Being permission less

Being orchestrated and flexible

Being consensus-based and transactional

Being transparent and auditable

10-Which of the following is true?

Group of answer choices

Libra currency uses a type of blockchain

All of the answers are true

Libra currency is backed by real assets

Libra currency will be more stable than bitcoin

11-Which account would be best suited to AI?

Group of answer choices

Long-term liabilities

Retained earnings

Cash

Taxes