ISQS 2340 Exam 2 Review TTU- Mitchell Practice Questions and Answers
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Course
Practice Tests 2024
Institution
Practice Tests 2024
ISQS 2340 Exam 2 Review TTU- Mitchell
Practice Questions and Answers
What is a data-driven culture? - ANSWER-A data-driven culture uses data-driven decision making
Examples of Google using data and analytics? - ANSWER-At Google. decisions are based on data,
analytics and scientific experimentat...
Value creation with data analytics (think exchange transactions and uncertainties)? - ANSWER✔✔-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? - ANSWER✔✔-A blockchain is a distributed ledger of transactions
Blockchains lineage (where it came from/ first used)? - ANSWER✔✔-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? - ANSWER✔✔-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? - ANSWER✔✔-The blockchain has the
potential to reinvent any transaction that now requires going through a middleman, including finance,
banking, contacts, and retail.
Blockchain applications - ANSWER✔✔-• Cryptocurrencies, such as Bitcoin, Ethereum, Litecoin, etc. •
Digital identity • Any application where a secure, immutable record must be shared between multiple
parties • ensuring product authenticity • recording real estate transactions • secure medical records
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