Question 1

What is a private Blockchain used instead of a public one?

Options :

A : It is less expensive to develop

B : It requires less mining power that a public Blockchain

C : To limit user access and permissions

D : It requires fewer administrators to manage it

Answer: C

Question 2

Blockchains work best when they are____________________.

Options :

A : combined with other technologies

B : used for financial applications

C : used alone

D : used as an alternative to a database

Answer: B

Question 3

Once a record is stored on the Blockchain ____________.

Options :

A : the record is moved to a secure server

B : the record is stored on a central node

C : it can be changed by an authorized person

D : the record is permanent

Answer: D

Question 4

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

Options :

A : True

B : False

Answer: B

Question 5

The Blockchain ledger is commonly referred to as___________.

Options :

A : a database ledger

B : a triple-entry ledger

C : a double-entry ledger

D : a genesis block

Answer: A

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