1. "Making changes to variables and observe the resulting changes in other variables" is the definition of what form of IF/THEN rules?

- what if analysis

- Optimization analysis

- Sensitivity analysis

- Goal-Seeking analysis

2. Software applications such as Hadoop and Datameer are designed for:

- OLAP

-Big Data analytics

- Decision tree analysis

- Conventional data analysis

3. It is recommended not to run a BI application on a database because:

- Because Data is always clean on database

- because of high maintenance cost

- Because of security and control reasons

because of high installation cost

4. Which of the following is CORRECT regarding a data warehouse?

-data warehouse is the same database

- data warehouse does not have historical information requited for BI analysis

- data warehouse consists of integrated data from different resources

- data analysis should not be performed on data warehouse

5. Which one is NOT correct regarding data marts?

- more expensive than the data warehouse

- addressing the needs of a particular department

- smaller than the data warehouse

- offloading the query workload