INMT 342 Final Exam Questions with
complete solution 2024/2025
What are relational database strengths? - correct answer ✔consistency,
persistence, concurrency, standardization, application integration
what are relational database shortcomings? - correct answer ✔impedance
mismatch, scalability (horizontal vs vertical), clusters, cost
what is big data? - correct answer ✔the data situation where volume,
velocity, variety, and variability of data exceed typical storage or computing
capacity for accurate and timely decision making
what is volume? - correct answer ✔amount. "giga, tera, exa"
what is velocity? - correct answer ✔speed at which new data arrives
what is variety? - correct answer ✔differences in types/sources of data
what is veracity? - correct answer ✔differences in data accuracy/quality
what is variability? - correct answer ✔differences in flows of data
what is complexity? - correct answer ✔dealing with simultaneous sources,
types, speeds, timing
, what is big data's motivation? - correct answer ✔scalability, flexible schema
and data types, fast look ups, no single point of failure, massive read/write
performance, fast prototyping and development, easy maintenance
what are the different data sources? - correct answer ✔structured &
unstructured sources, internal/external, and databases
what kind of source is considered an acid? - correct answer ✔a structured
source
what kind of source is consider a base? - correct answer ✔an unstructured
source
what does acid stand for? - correct answer ✔atomic, consistent, isolated,
durable
what does base stand for? - correct answer ✔basic availability, soft-state,
eventual consistency
what is atomicity in acid? - correct answer ✔all works or nothing works
what is consistency in acid? - correct answer ✔consistent state of data and
transactions
what is isolation in acid? - correct answer ✔transactions are isolated from
each other
what is durability in acid? - correct answer ✔when the transaction is
committed, state will be durable.
complete solution 2024/2025
What are relational database strengths? - correct answer ✔consistency,
persistence, concurrency, standardization, application integration
what are relational database shortcomings? - correct answer ✔impedance
mismatch, scalability (horizontal vs vertical), clusters, cost
what is big data? - correct answer ✔the data situation where volume,
velocity, variety, and variability of data exceed typical storage or computing
capacity for accurate and timely decision making
what is volume? - correct answer ✔amount. "giga, tera, exa"
what is velocity? - correct answer ✔speed at which new data arrives
what is variety? - correct answer ✔differences in types/sources of data
what is veracity? - correct answer ✔differences in data accuracy/quality
what is variability? - correct answer ✔differences in flows of data
what is complexity? - correct answer ✔dealing with simultaneous sources,
types, speeds, timing
, what is big data's motivation? - correct answer ✔scalability, flexible schema
and data types, fast look ups, no single point of failure, massive read/write
performance, fast prototyping and development, easy maintenance
what are the different data sources? - correct answer ✔structured &
unstructured sources, internal/external, and databases
what kind of source is considered an acid? - correct answer ✔a structured
source
what kind of source is consider a base? - correct answer ✔an unstructured
source
what does acid stand for? - correct answer ✔atomic, consistent, isolated,
durable
what does base stand for? - correct answer ✔basic availability, soft-state,
eventual consistency
what is atomicity in acid? - correct answer ✔all works or nothing works
what is consistency in acid? - correct answer ✔consistent state of data and
transactions
what is isolation in acid? - correct answer ✔transactions are isolated from
each other
what is durability in acid? - correct answer ✔when the transaction is
committed, state will be durable.
