Lecture 1: Introduction

Question 1

Data Warehouse

Answer 1

• Centralized repository that stores integrated data from multiple sources

Question 2

Data Lake

Answer 2

• Holds vast amounts of raw data

Question 3

Data Quality

Answer 3

• Accuracy
• Consistency
• Completeness
• Timeliness
• Validity

Question 4

Data Security

Answer 4

• Encryption
• Access control
• Auditing/monitoring