ISQS 2340 Exam 2 Review TTU- Mitchell
Questions and Answers | 100% Pass
What is a data-driven culture? - ️️ Correct-A data-driven culture uses data-driven
decision making
Examples of Google using data and analytics? - ️️ Correct-At Google. decisions are
based on data, analytics and sci...
✔️✔️Correct-NO pie charts! Yes to scatterplots for exploring relationships. Yes to
treemaps for relative proportions. Orient data so people can read it (better to have a
horizontal bar chart than a vertical bar chart). Filled maps with only one measure, dash
boarding
what is blockchain technology? - ✔️✔️Correct-A blockchain is a distributed ledger of
transactions
Blockchains lineage (where it came from/ first used)? - ✔️✔️Correct-A block consists of
multiple timestamped transactions • Multiple blocks are joined together in a chain •
Nodes are connected devices that have a copy of the entire blockchain • The nodes are
periodically synchronized to ensure consensus
What are the main parts of blockchain technology? - ✔️✔️Correct-1. Users initiate
transactions using their Digital Signatures. 2. Users Broadcast transactions to Nodes. 3.
One or more Nodes begin validating each transaction. 4.Nodes aggregate validated
transactions into Blocks. 5. Nodes broadcast blocks to each other. 6. Consensus
protocol used. 7. Block reflecting "true state" is chained to prior Block.
Implications of blockchain buyers, sellers, and the middleman? - ✔️✔️Correct-The
blockchain has the potential to reinvent any transaction that now requires going through
a middleman, including finance, banking, contacts, and retail.
Blockchain applications - ✔️✔️Correct-• Cryptocurrencies, such as Bitcoin, Ethereum,
Litecoin, etc. • Digital identity • Any application where a secure, immutable record must
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