what are the three basic principles for Understanding the Fundamentals of Big Data Integration

Short answers for the questions below.

what are the three basic principles for Understanding the Fundamentals
of Big Data Integration?

what are: ETL, ELT, CEP?

List 5 factors that you need to consider when Creating a Big Data Implementation
Road Map.

What are the 12 questions when Developing a Well-Governed and
Secure Big Data Environment?

The best businesses take a holistic approach to data. There are 7 stages on Big Data process.

Stage 1: Planning with data.

Stage 2: Doing the analysis.

Stage 3: Checking the results.

Stage 4: Acting on the plan.

Stage 5: Monitoring in real time.

Stage 6: Adjusting the impact.

Stage 7: Enabling experimentation.

Please explain these 7 stages.

list the top-ten best practices you need to understand as you begin the journey to manage big data.