Free EXIN BLOCKCHAINF Exam Dumps Questions & Answers

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

• A.To limit user access and permissions
• B.It requires less mining power that a public Blockchain
• C.It requires fewer administrators to manage it
• D.It is less expensive to develop

What do consensus methods achieve?

• A.The highest level of security in a database by ensuring 51% agreement of nodes on the network.
• B.None of the above
• C.The most efficient way of recording a transaction in any database.
• D.Anonymity in a peer to peer network
• E.It confirms that all nodes on the network are legitimate.

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

• A.Only limited to the number of nodes on the network
• B.None of the above
• C.175K per second
• D.7-15 per second
• E.24K per second

Which of the following problems did Blockchain solve for cryptocurrencies?

• A.None of the above
• B.Anonymity
• C.Destination of currencies
• D.Double Spending

A distributed network is always decentralized.

• A.False
• B.True