CBBF Practice Exam Questions and Answers

A.  

adding more network nodes

B.  

off-chain transactions

C.  

using faster microprocessors

D.  

fewer regulations

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

A.  

A digital currency

B.  

An unchangeable record

C.  

A database of usable secret data

D.  

A Smart Contract

E.  

All of the above

A.  

Person to Person

B.  

Public to Person

C.  

Peer to Peer

D.  

Product to Person

E.  

None of the above

A.  

the ability to completely customize a unique business solution

B.  

combining Blockchain technologies to fit your business solution

C.  

merging your existing network technology into a new Blockchain solution

D.  

not being limited to a conventional business solution or restriction

E.  

All of the above

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

A.  

A private Blockchain does not use proof of work consensus

B.  

A private Blockchain is more efficient and has faster transaction times

C.  

A private Blockchain is not distributed

D.  

A private Blockchain often requires the identity of users to be known

A.  

True

B.  

False

A.  

24K per second

B.  

175K per second

C.  

Only limited to the number of nodes on the network

D.  

7-15 per second

E.  

None of the above

A.  

The users

B.  

The architects

C.  

The creator of the Blockchain

D.  

The developers