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Modernizing Data Lakes and Data Warehouses with Google Cloud Coursera Quiz Answers

Introduction to Data Engineering Quiz Answers

Question 1)
Which of the following are the jobs of a data engineer?

• Get the data to where it can be useful
• Get the data into a usable condition
• Add new value to the data
• Manage the data
• Productionize data processes

Question 2
Which statements are true?

• Clod SQL is optimized for high-throughput writes
• BigQuery is optimized for high-read data
• BigQuery is a row-based storage
• Cloud SQL is optimized for high-read data

Building a Data Lake Quiz Answers

Question 1)
Which statement best describes a data lake?

• The place where you capure every aspect of your business operations. Data is stored in its natural, raw format.
• Data storage intended for analytics.
• Storage optimized for high-throughput writes.
• Storage for current/historical data intened for reporting.

Question 2)
Which of the following statements on Cloud Storage are true?

• Cloud Storage simulates a file system
• Cloud Storage allows you to set retention policies on all objects in a bucket
• Cloud Storage implements both Cloud IAM policy and Access Control Lists
• Data in Cloud Storage is not encrypted

Building a Data Warehouse Quiz Answers

Question 1)
Which of the following statements on BigQuery are true?

• Data is run length-encoded and dictionary-encoded
• Data on BigQuery is physically stored in a redundant way separate from the compute cluster
• A BigQuery slot is a combination of CPU, memory, and networking resources
• The number of slots allotted to a query is independent of query complexity

Question 2)
True or False: ARRAYS can be part of regular fields or STRUCTS in BigQuery?

• True
• False