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| Section | Objectives |
|---|---|
| Topic 1: Machine Learning and Modeling | - Algorithm selection and tuning - Supervised and unsupervised learning - Model evaluation and validation |
| Topic 2: Optimization and Performance | - Model performance tuning - Optimization techniques for data workflows |
| Topic 3: Data Governance and Operations | - Data quality management - Security and compliance considerations - Lifecycle management of data solutions |
| Topic 4: Data Engineering Principles | - ETL/ELT processes - Data storage architectures (data lakes, warehouses) - Data pipeline design and orchestration |
| Topic 5: Data Science Foundations | - Data exploration and preprocessing - Feature engineering fundamentals - Statistical analysis and probability concepts |
1. What are two Spark libraries?
A) Spark NoSQL and GraphX
B) Spark NoSQL and RDD
C) Spark SQL and RDD
D) Spark SQL and GraphX
2. What is an advantage of avoiding bias from the data?
A) Minimize Bias-Variance trade-off
B) Decrease trust between humans and machines
C) Minimize transparency at the point of data collection
D) Reduce misuse of data and facilitate its transparency
3. An organization wants to simplify the data ingestion configuration process through simple click, drag, and drop type actions.
Which tool provides an easy to use graphical user interface for building data pipeline data flows?
A) Apache Airflow
B) Apache Spark
C) Apache Pig
D) Apache Hadoop
4. You are designing a database for an e-commerce data warehouse. The data is normalized in 1NF format and will be used to create data marts for different departments inside the organization.
Which schema type should be used for this requirement?
A) Star
B) Columnar
C) Graph
D) Highly Normalized
5. What ethical principle emphasizes that collected data should be used for its original intended purpose?
A) Purpose limitation
B) Data minimization
C) Accountability
D) Transparency
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: D | Question # 3 Answer: A | Question # 4 Answer: A | Question # 5 Answer: A |
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