Online Access Free CBSA Exam Questions

To prevent duplicate addresses/accounts from being generated on the same blockchain network, the input of the hash function that generates the address:

• A.Should always be numerical
• B.Should contain enough entropy or randomness
• C.Should first be encrypted
• D.Should never be plain text

If a company desires to create a unique cryptocurrency and launch a new blockchain network to host it.

• A.They must use ERC20 standard for the token and can use any open source blockchain tool/system to launch a series of nodes
• B.They must use ERC20 standard for the token, clone the Ethereum Virtual Machine, then launch a series of nodes
• C.They can both create their own cryptocurrency and launch their own blockchain network with any common open source blockchain tool/system
• D.None of the above

Transactions can only be added to a blockchain.

• A.TRUE
• B.FALSE

In what way(s) can Ethereum Smart Contract functions be invoked?

• A.Smart Contracts cannot be externally invoked. They become autonomous at launch and cannot be called.
• B.Through code executed in other Smart Contracts and through web3.js or any JSON-RPC library
• C.Only through code executed in other Smart Contracts and XML-RPC
• D.Only through code executed in another Smart Contract

The reason that cryptocurrencies such as Bitcoin, Ethereum and Litecoin can be exchanged one with another is due to the fact that they all operate on the same blockchain network

• A.TRUE
• B.FALSE