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| Section | Objectives |
|---|---|
| Optimization and Performance | - Optimization techniques for data workflows - Model performance tuning |
| Data Engineering Principles | - Data storage architectures (data lakes, warehouses) - Data pipeline design and orchestration - ETL/ELT processes |
| Data Governance and Operations | - Data quality management - Lifecycle management of data solutions - Security and compliance considerations |
| Machine Learning and Modeling | - Supervised and unsupervised learning - Algorithm selection and tuning - Model evaluation and validation |
| Data Science Foundations | - Statistical analysis and probability concepts - Feature engineering fundamentals - Data exploration and preprocessing |
1. In Python, which primitive data type covers real rational and irrational numbers?
A) Boolean
B) Integer
C) String
D) Float
2. A company needs to fill an opening for a key tactical data governance position. The new hire is to be a subject matter expert on customer data and ensure the data policies and standards are adhered to on a daily basis. This role bridges the gap between a data governance program and its execution.
What is a suitable job title for this role?
A) Data engineer
B) Data scientist
C) Data steward
D) Data miner
3. What enables Pravega to rapidly ingest streaming data into durable storage?
A) Relational database schema
B) MongoDB
C) Apache Spark
D) Append-only logs
4. Which of the following are components of the Apache Spark architecture? (Select all that apply)
A) Spark Cassandra
B) Spark Streaming
C) Spark SQL
D) Spark Core
E) Spark HBase
5. What type of expertise is required to be an effective data engineer?
A) Accounting
B) Project management
C) Business analysis
D) Big Data tools
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: C | Question # 3 Answer: D | Question # 4 Answer: B,C,D | Question # 5 Answer: D |
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