Blockchain CBBF Exam Questions Instant Access

Question 1

If a node on the network were to lose a copy of the ledger, the ledger is not lost. The large number of other nodes have a copy and won't lose track. This is known as___________.

ACensorship

BImmutability

CTransparency

DRedundancy

Answer : B

Question 2

The Corda distributed ledger is designed for _______________.

AAny business transactions

BInternational shipping

CThe transportation industry

DFinancial transactions

Answer : D

Question 3

Where is a Blockchain's central server?

AWhere the Blockchain is created

BLocated with the owner of the server

CThere is no central server, it is distributed

DOrderer Node

ENone of the above

Answer : C

Question 4

Transactions per second (TPS) for a Proof-of-Work Blockchain are approximately?

A24K per second

B175K per second

COnly limited to the number of nodes on the network

D7-15 per second

ENone of the above

Answer : D

Question 5

The transaction has contained in a block is the ___________.

AMetadata used for ID

BSame as the user private key

CDigital fingerprint of the block

DUnique number to show it's a Bitcoin block

Answer : A

Question 6

What is a Blockchain?

AA digital currency

BAn unchangeable record

CA database of usable secret data

DA Smart Contract

EAll of the above

Answer : B

Question 7

Which item(s) make up a block header?

AThe hash of the Merkle root and the header of the previous block

BThe hash of every transaction in a specific block and the next block

CThe time stamp of the block and the genesis block hash

DThe hash of the previous block

Answer : D

Blockchain BTA Certified Blockchain Business Foundations CBBF Exam Questions