Blockchain Online Test

1. Reduce IT costs

2. Expand business-to-business and business-to-consumer networks

3. Enable new products

4. All of the above

Correct Answer : D

1. Wallet

2. Block

3. All of above

4. None of above

Correct Answer : A

1. Proof of Work

2. Proof of Word

3. Proof of Wisdom

4. None of the above

Correct Answer : A

1. true

2. false

Correct Answer : A

1. A transaction and block verification protocol

2. A certificate needed to use the blockchain

3. All of the above

4. None of the above

Correct Answer : A

1. Transparency

2. Authorization

3. Efficiency

4. Decentralization

Correct Answer : D

1. Blue Paper

2. Red Paper

3. Black Paper

4. White Paper

Correct Answer : D

1. Sourcing

2. Financing

3. Mining

4. None of the above

Correct Answer : C

1. lines

2. Circle

3. Blocks

4. None of above

Correct Answer : C

1. Building security

2. Payment history

3. Password complexity

4. Resilience

Correct Answer : D

1. It is a Blockchain

2. It is an exchange

3. It is a type of cryptocurrency

4. It is a computer on a Blockchain network

Correct Answer : D

1. true

2. false

Correct Answer : A

1. certificate authority

2. Ledger

3. Wallet

4. Hash

Correct Answer : A

1. support infinite time/memory

2. stack based

3. Turing complete

4. None of the above

Correct Answer : B

1. Gas

2. Ether

3. Both A and B

Correct Answer : A

1. Bitstamp

2. Mt. Gox

3. All of above

4. None of above

Correct Answer : B

1. Platform

2. Privacy

3. Currency

4. All of the above

Correct Answer : D

1. Uncover insights using data

2. Address a skills gap

3. Promote traceability

4. Boost personal communication between suppliers and producers

Correct Answer : B

1. Database

2. View

3. Table

4. Object

Correct Answer : A

1. Blockchain has been described as a value-exchange protocol

2. Blockchain database is managed autonomously using a peer-to-peer network

3. Blockchain is a decentralized, distributed, and oftentimes public, digital ledge

4. All of the above

Correct Answer : D

1. Public blockchains

2. Private blockchains

3. consortium & hybrid blockchains

4. All of the Above

Correct Answer : D

1. Miner is type of blockchain

2. Miner is a person doing calculations to verify a transaction

3. Miners are Computers that validate and process blockchain transactions

4. None of the above

Correct Answer : C

1. Speed

2. Auditability

3. Security

4. Access control

Correct Answer : B

1. A blockchain is a decentralized, distributed, digital ledger consisting of records called blocks

2. A blockchain is a centralized digital ledger consisting of records called blocks

3. None of the above

Correct Answer : A

1. Decentralized Ledger

2. Distributed Ledger

3. Both A and B

4. None of above

Correct Answer : C

1. Private Key

2. Public key

3. Passphrase

4. All of the above

Correct Answer : D

1. Immutability

2. Transparency

3. Decentralization

4. All of the Above

Correct Answer : D

1. No hidden fees

2. Security & Speed

3. Fraud control & Access levels

4. All of the Above

Correct Answer : D

1. Payment rail

2. Payment method

3. Payment Organisation

4. None of above

Correct Answer : A

1. Logistics

2. Healthcare

3. Critical infrastructure

4. All of the Above

Correct Answer : D