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Blockchain
CBBF - Free Practice

Free Blockchain CBBF Exam Questions

Become Blockchain Certified with updated CBBF exam questions and correct answers

Page: 1 / 17

Total 84 Questions | Updated On: Oct 27, 2025

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Question 1

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

A : crease the use of cryptocurrency

B : eed up the internet

C : ke Bitcoin less expensive

D : crease device connectivity

Answer: D

Question 2

____________ledger technology is referred to as DLT.

A : tributed

B : centralized

C : tabase

D : l of the above

E : ne of the above

Answer: A

Question 3

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

A : 24K per second

B : 175K per second

C : ly limited to the number of nodes on the network

D : 7-15 per second

E : ne of the above

Answer: D

Question 4

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

A : gh cost of developers

B : anging technology and the lack of a stable standard

C : use of cryptography

D : use of new applications

Answer: B

Question 5

Blockchain is the same as Bitcoin.

A : ue

B : lse

Answer: B

Page: 1 / 17

Total 84 Questions | Updated On: Oct 27, 2025

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