Blockchain CBBF Exam Practice Test Instant Access

Question 1

How does Blockchain use hashing? Select all that apply.

ATo condense information making it easy to compare large amounts of data.

BTo chain together blocks

CTo provide anonymity with public key cryptography

DTo select which node to use

EAll of the above

Answer : B, D

Question 2

What is dApp?

AA decentralized application

BA dishonest application

CA decoded application

DA distributed application

Answer : A

Question 3

In 2009, Bitcoin was created by_________.

AVitalik Buterin

BSatoshi Nakamoto

CHyperledger Foundation

DA Banking Consortium

Answer : B

Question 4

Which of these applications would be suited for a private Blockchain?

Afinancial transactions

Bmanufacturing supply chain

Cmedical records

Dfood traceability

EAll of the above

Answer : E

Question 5

The Ethereum Blockchain provides a/an _____________ virtual machine.

AWindows compatible

Benergy efficient

CLinux compatible

Dturing-complete

Answer : D

Question 6

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

Question 7

Blockchain is faster and more efficient than a standard database.

ATrue

BFalse

Answer : B

Blockchain BTA Certified Blockchain Business Foundations CBBF Exam Practice Test