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Practice Free CBBF Certified Blockchain Business Foundations Exam Questions Answers With Explanation

We at Crack4sure are committed to giving students who are preparing for the Blockchain CBBF Exam the most current and reliable questions . To help people study, we've made some of our Certified Blockchain Business Foundations exam materials available for free to everyone. You can take the Free CBBF Practice Test as many times as you want. The answers to the practice questions are given, and each answer is explained.

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Question # 6

One solution to increasing Blockchain Transactions Per Second (TPS) is________.

A.

adding more network nodes

B.

off-chain transactions

C.

using faster microprocessors

D.

fewer regulations

Question # 7

Blockchain is always distributed.

A.

True

B.

False

Question # 8

Blockchains work best when they are____________________.

A.

combined with other technologies

B.

used for financial applications

C.

used alone

D.

used as an alternative to a database

Question # 9

Once a record has been added to a Blockchain it can be altered.

A.

True

B.

False

Question # 10

The Blockchain combined with the Internet of Things (IoT) will dramatically ____________.

A.

increase the use of cryptocurrency

B.

speed up the internet

C.

make Bitcoin less expensive

D.

increase device connectivity

Question # 11

Cryptocurrencies have all the same characteristics as fiat currencies?

A.

True

B.

False

Question # 12

What does a Merkle tree provide?

A.

Efficient block lookups and protection against forgery

B.

Anonymity and transparency

C.

A Turing complete distributed network

D.

A way to deploy smart contracts onto the Blockchain

E.

All of the above

Question # 13

A Blockchain is a/an _____________ shared ledger distributed system.

A.

Anonymous

B.

Newer version of a

C.

Append-only

D.

Confidential

Question # 14

Which type of data can be stored on a Blockchain?

A.

A financial transaction

B.

A vote cast in an election

C.

A personal medical record

D.

Romeo and Juliet: The entire play

E.

All of the above

Question # 15

One of Blockchain's primary uses of cryptography is ___________.

A.

Keeping the IP addresses a secret

B.

Allowing users to communicate with each other anonymously

C.

Keeping the network configuration a secret.

D.

Providing a public and private encryption key

Question # 16

Who can read records on a public Blockchain?

A.

Everyone on the Blockchain

B.

No one

C.

Only the creator

D.

The users with access permissions

E.

None of the above

Question # 17

____________ledger technology is referred to as DLT.

A.

Distributed

B.

Decentralized

C.

Database

D.

All of the above

E.

None of the above

Question # 18

In 2009, Bitcoin was created by_________.

A.

Vitalik Buterin

B.

Satoshi Nakamoto

C.

Hyperledger Foundation

D.

A Banking Consortium

Question # 19

A Blockchain provides______________.

A.

true information by all parties involved

B.

a trusted transaction between untrusted parties

C.

the easiest way to conduct international transactions

D.

only trusted banks for conducting transactions

Question # 20

What is a hash function?

A.

A one-way function that converts input to a unique string output

B.

A function that stores data behind a key

C.

A two-way function used for condensing information

D.

The block-ID of the block

E.

All the above

Question # 21

How much data can be represented by the data hash of a block?

A.

a maximum of 20 MB

B.

virtually any amount

C.

not to exceed 100k bytes

D.

the hash is only a memory location

Question # 22

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

A.

financial transactions

B.

manufacturing supply chain

C.

medical records

D.

food traceability

E.

All of the above

Question # 23

What are the drawbacks of using Blockchain? Select all that apply

A.

High cost of developers

B.

Changing technology and the lack of a stable standard

C.

Its use of cryptography

D.

Its use of new applications

Question # 24

What is Ethereum?

A.

Another name for Bitcoin

B.

A platform for creating decentralized applications

C.

A currency

D.

Another name for Blockchain

Question # 25

Blockchain transaction code categorizes the data put into blocks.

A.

True

B.

False

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