Blockchain CBBF Exam Questions Instant Access

Question 1

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

AIt is less expensive to develop

BIt requires less mining power that a public Blockchain

CTo limit user access and permissions

DIt requires fewer administrators to manage it

Answer : C

Question 2

How does the Bitcoin provide anonymity?

AThrough Merkle trees

BThrough public/private key cryptography

CThrough consensus algorithms such as Proof of Work

DBy publishing only the block address

ENone of the above

Answer : E

Question 3

How do consensus algorithms like Proof of Work or Proof of Stake incentivize miners to participate?

ABy paying miners with U.S. dollars

BBy paying the miners with cryptocurrency

CBy placing their name on the Blockchain

DBy not charging users monthly subscription costs

Answer : B

Question 4

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 5

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

AKeeping the IP addresses a secret

BAllowing users to communicate with each other anonymously

CKeeping the network configuration a secret.

DProviding a public and private encryption key

Answer : D

Question 6

An asset is defined as ____________.

Aall records on a database

Bany data on the ledger

Canything of value requiring accountability of ownership

Dany record on a private network

Answer : C

Question 7

The common safe place to store personal cryptocurrency is_____________.

AA digital wallet

Bin a secure ledger

Ca bank account

Din a secure database

Answer : A

Blockchain BTA Certified Blockchain Business Foundations CBBF Exam Questions