近期高频数据工程面试题及解答——基础篇1️⃣

整理了一些数据工程（Data Engineering）的高频面试题以及follow up question。附上了答案供参考，希望对面试准备有帮助！

本篇笔记的8个问题：

- What is data modeling?

- What are some of the design schemas used when performing Data Modeling?

- What are the differences between structured and unstructured data?

- What is Hadoop?

- What are some of the important components of Hadoop?

- What is a NameNode in HDFS?

- What is Hadoop Streaming?

- What are some of the important features of Hadoop?

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