Blockchain CBSA Quiz 1 Topic 3 Questions 1-5

Question: 1

Which one of the following is a consideration that must be taken into account when using Hyperledger Fabric that you wouldn't need worry about on Ethereum?

AThe fees for deploying and using Smart Contracts

BHow you will provide proper uptime for the network

CThe level of security of Smart Contracts (chaincode)

DHow often hard forks occurs on the software

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Question: 2

In Proof of Work group consensus, the ''nonce'' refers to?

AThe random data to be combined with the block data which will produce a hash output matching the current difficulty level

BRandom nonsense data inserted at the end of a block to fill it completely

CThe average Bitcoin price over the last 90 days

DNone of the above

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Question: 3

In common blockchain design, blockchain addresses or ''accounts'' are generated by:

AA PRNG output guaranteed to be unique

BA server/node timestamp added to a PRNG output

CCreating a hash based on a cryptographic public key and various meta data

DThe most recent block height hash combined with a cryptographic private key

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Question: 4

How are blocks of data ''chained'' together to ensure the integrity of transactions?

AThe hash of the previous block is written to the header of the current block

BThe ID of the previous block is stored in the current block

CA public key is stored in each block for data decryption

DThe hash of the genesis block is kept in all block headers

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Question: 5

In common blockchain design, what is one common method to ''chain'' blocks of data together in order?

AStore the hash of the previous block within the current block

BHaving the genesis node store an ordered, mutable array of block hashes

CWriting each block into a separate file on the hard disk of the node

DAssigning an order number to each block so they can be sorted when requested

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Blockchain CBSA Quiz:1 Topic:3 Questions:1-5