Practice Test

True or False: Amazon Athena is a serverless query service that makes it easy to analyze data in Amazon S3 using standard SQL.

A. True

B. False

Answer: True

Explanation: Amazon Athena is a fully managed service that doesn’t require a server set up and simplifies the analytics process.

What can AWS Lake Formation be used for?

A. Create, secure, and manage a data lake.

B. Analyze data with your choice of AWS analytics and machine learning services.

C. Both A and B.

Answer: C. Both A and B.

Explanation: AWS Lake Formation can secure and manage data lakes as well as integrate with a variety of AWS services for data analysis.

Amazon QuickSight mainly serves for which purpose?

A. Data analysis

B. Visualizing machine learning data

C. Business intelligence

D. All of the above

Answer: D. All of the above

Explanation: Amazon QuickSight provides insights into your data through powerful analytics and visualization tools. It’s also integrated with AWS ML services.

True or False: AWS Lake Formation has built-in mechanisms for data cleaning and standardization.

A. True

B. False

Answer: False

Explanation: While AWS Lake Formation makes it easy to store, catalog, and secure data, actual cleaning and standardizing of data needs to be done with separate tools or services.

Which service should be used when you need to run interactive SQL queries against data in S3?

A. Amazon Redshift

B. Amazon Athena

C. Amazon EMR

D. AWS Glue

Answer: B. Amazon Athena

Explanation: Amazon Athena is designed to run ad-hoc SQL queries against data directly stored in AWS S

True or False: Amazon QuickSight can only visualize data stored on AWS.

A. True

B. False

Answer: False

Explanation: Amazon QuickSight is capable of visualizing data not just from AWS, but from third-party SAAS applications and on-premises SQL server databases.

Which of the following AWS services can be used to prepare (clean and normalize) and load the data into a data lake?

A. AWS Lake Formation

B. AWS Glue

C. Amazon Athena

D. Amazon Redshift

Answer: B. AWS Glue

Explanation: AWS Glue is a fully managed ETL (extract, transform, and load) service that can clean and normalize data for data lakes.

Which services can be used for visualizing your big data and business analytics on AWS?

A. Amazon Athena

B. Amazon QuickSight

C. AWS Lake Formation

D. AWS Glue

Answer: B. Amazon QuickSight

Explanation: Amazon QuickSight is specifically designed for visualizing data with rich dashboards and graphs.

True or False: AWS Lake Formation can automatically optimize the data in your lake for analytics and machine learning.

A. True

B. False

Answer: True

Explanation: AWS Lake Formation has a feature that allows data in your lake to be optimized for certain AWS analytic services.

What types of data can AWS Glue handle?

A. Structured

B. Semi-structured

C. Unstructured

D. All of the above

Answer: D. All of the above

Explanation: AWS Glue is capable of processing all types of data – structured, semi-structured, and unstructured.

Interview Questions

What is Amazon Athena?

Amazon Athena is an interactive query service that makes it easy to analyze data directly in Amazon S3 using standard SQL. Athena is serverless, so there is no infrastructure to set up or manage.

Can you define AWS Lake Formation and provide a use case for it?

AWS Lake Formation is a service that makes it easy to set up, secure, and manage data lakes. A use case for AWS Lake Formation could be a financial corporation assembling data across various accounts and products in a data lake for comprehensive analytics and machine learning.

What is Amazon QuickSight?

Amazon QuickSight is a fast, cloud-powered business intelligence service that makes it easy to deliver insights and integrate them across your applications and portals.

How does Amazon Athena help in data analytics?

Amazon Athena allows users to analyze data directly in S3 using SQL. It eliminates the need for complex ETL jobs, making it easier for developers, data scientists, and business analysts to access and analyze data.

Which AWS services are integrated with AWS Lake Formation to assist in data analysis and visualization?

AWS Lake Formation integrates with a broad range of AWS services including Amazon S3, Amazon Athena, AWS Glue, Amazon Redshift, Amazon QuickSight, and more to help with data analysis and visualization.

How does Amazon QuickSight enhance the visualization of data?

Amazon QuickSight provides a wide range of data visualization options including charts, graphs, and dashboards. It allows you to build interactive dashboards that can be accessed from any device, and give insights from BI reports that can be shared with others.

What is the added advantage of using AWS Lake Formation for building a data lake?

AWS Lake Formation simplifies the process of setting up and managing a data lake by automating many of the complex manual steps usually involved, such as collecting, cleaning, and cataloging data, and securely making that data available for analysis.

Can you define the role of AWS Glue in Amazon Athena?

AWS Glue is a fully managed ETL service that makes it simple and cost-effective to categorize your data, clean it, enrich it, and move it reliably between various data stores. Amazon Athena uses AWS Glue Data Catalog as a centralized repository for metadata.

How does AWS ensure the security of data in AWS Lake Formation?

AWS Lake Formation provides a set of fine-grained, prescriptive security policies to ensure access control. These policies allow users to tightly control the access to tables and columns in the data, based on a user’s identity, role, and responsibilities.

What types of data can you visualize using Amazon QuickSight?

Amazon QuickSight supports various data sources for visualization including relational, No-SQL, and file-based data sources such as Amazon S3, along with any JDBC data source. It allows for visualization of data from simple spreadsheets to complex data lakes and databases.

Does Amazon Athena charge you for querying data?

Yes, with Amazon Athena, you pay only for the queries you run. There is no infrastructure to manage, and you pay only for the amount of data scanned during your queries.

What types of analysis can be performed using AWS Lake Formation?

With AWS Lake Formation, a broad range of analysis, including SQL queries, big data analytics, full-text search, machine learning, and more can be performed.

Can Amazon QuickSight connect to on-premises data sources?

Yes, Amazon QuickSight can connect to on-premises databases using an installable QuickSight connector.

What type of data can AWS Lake Formation handle?

AWS Lake Formation can handle any data, structured or unstructured, including log files, social media feeds, mobile app data, websites, and telemetry from IoT devices.

How does AWS Glue work with AWS Lake Formation?

AWS Glue is fully integrated with AWS Lake Formation providing streamlined data discovery, cataloging, and preparation. It helps create a central metadata repository in AWS Lake Formation, making the data searchable and queryable.

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