Practice Test

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

Answer: True

Explanation: Athena is an interactive query service that makes it easy to analyze big data in Amazon S3 with standard SQL.

Which of the following AWS data analytics services is serverless?

  • a. Amazon Athena
  • b. Amazon Kinesis
  • c. AWS Glue
  • d. Amazon QuickSight

Answer: a. Amazon Athena

Explanation: Amazon Athena is a serverless service that allows you to analyze data in Amazon S3 using SQL queries. Other options may need servers to run.

True or False: AWS Glue can automate the time-consuming data preparation process for analytics and machine learning.

Answer: True

Explanation: AWS Glue is a fully managed extract, transform, and load (ETL) service that automates the tedious, time-consuming process of preparing data for analysis and machine learning.

Which AWS service is well suited for real-time analytics and video streaming?

  • a. Amazon Athena
  • b. Amazon Kinesis
  • c. AWS Glue
  • d. Amazon QuickSight

Answer: b. Amazon Kinesis

Explanation: Amazon Kinesis is perfect for real-time data streaming and analysis since it can continuously capture, store, and process large amounts of data in real-time.

True or False: Amazon QuickSight is used to visualize data, perform ad-hoc analysis, and quickly get business insights.

Answer: True

Explanation: Amazon QuickSight is a fast, cloud-powered business analytics service designed for easy visualization of data and to provide insights.

Which AWS service is used for data cataloging and ETL tasks?

  • a. Amazon Athena
  • b. Amazon Kinesis
  • c. AWS Glue
  • d. Amazon QuickSight

Answer: c. AWS Glue

Explanation: AWS Glue is a managed ETL (Extract, Transform, Load) service that simplifies and automates the time-consuming tasks of data discovery, conversion, and job scheduling.

True or False: Amazon Kinesis can capture, process, and store video streams.

Answer: True

Explanation: Amazon Kinesis Video Streams makes it easy to securely stream video from connected devices to AWS for analytics and machine learning.

Which AWS service would you use for data visualization and business intelligence?

  • a. Amazon Athena
  • b. Amazon Kinesis
  • c. AWS Glue
  • d. Amazon QuickSight

Answer: d. Amazon QuickSight

Explanation: Amazon QuickSight is a business analytics service you use to build visualizations, perform ad hoc analysis, and get business insights from your data.

True or False: AWS Glue requires server setup and management.

Answer: False

Explanation: AWS Glue is a fully managed ETL service that simplifies the difficult and time-consuming data discovery, conversion, and job scheduling tasks.

Which AWS service can be used to analyze data in S3 using SQL queries?

  • a. Amazon Athena
  • b. Amazon Kinesis
  • c. AWS Glue
  • d. Amazon QuickSight

Answer: a. Amazon Athena

Explanation: Amazon Athena is an interactive query service that lets you analyze data in Amazon S3 using standard SQL commands.

True or False: Amazon QuickSight is a managed service that provides data preparation for analysis and visualization.

Answer: False

Explanation: Amazon QuickSight is used for the visualization and business intelligence aspect. For data preparation, AWS Glue is the more suitable service.

Which AWS analytics service is capable of streaming data from millions of IoT devices?

  • a. Amazon Athena
  • b. Amazon Kinesis
  • c. AWS Glue
  • d. Amazon QuickSight

Answer: b. Amazon Kinesis

Explanation: Amazon Kinesis is capable of consuming massive amounts of data in near real-time from hundreds of thousands of sources, such as IoT devices.

Interview Questions

What is Amazon Athena used for in terms of data analytics?

Amazon Athena is an interactive query service that makes it easy to analyze data in Amazon S3 using standard SQL. It enables data analytics by providing a simple, cost-effective means to analyze unstructured, semi-structured, and structured data stored in S3 without the necessity for data loading or ETL jobs.

What is the role of Amazon Kinesis in data analytics?

Amazon Kinesis makes it easy to collect, process, and analyze real-time, streaming data so you can get timely insights and react quickly to new information. It provides key capabilities to cost-effectively process streaming data at any scale, along with the flexibility to choose the tools that best suit the requirements of your application.

How does AWS Glue contribute to data analytics?

AWS Glue is a fully managed extract, transform, and load (ETL) service that makes it easy to prepare and load your data for analytics. It automatically discovers and catalogs data from various sources, organizes the data, and makes it available for analytics.

What is the function of Amazon QuickSight in data analytics?

Amazon QuickSight is a fast, cloud-powered business intelligence service that makes it easy to deliver insights to everyone in your organization. It allows you to create and publish interactive dashboards that include ML Insights, which can be accessed from any device, and embedded into applications, portals, and websites.

Can Amazon Athena handle unstructured data?

Yes, Amazon Athena can handle unstructured, semi-structured, and structured data sets. It does this by utilizing schema-on-read, which means it applies a table schema when reading the data, allowing it to analyze a wide range of data types.

How does Amazon Kinesis handle real-time data analytics?

Amazon Kinesis enables real-time data analytics by capturing, processing, and storing data streams at scale, providing the ability to act on time-series data in real-time.

Does AWS Glue support data transformation?

Yes, AWS Glue supports data transformation. It is a fully managed ETL (extract, transform, and load) service which not only moves data from source to target but also cleans, normalizes, and re-formats data along the way.

Can Amazon QuickSight integrate with Apache Spark?

Yes, Amazon QuickSight can integrate with AWS data sources as well as other third-party data sources, which includes Apache Spark. This allows seamless visualization of large scale data processed by Spark.

What is the pricing model for Amazon Athena?

With Amazon Athena, you pay only for the queries you run. You are charged based on the amount of data scanned to run each query, not on the data returned by the query.

Can Amazon Kinesis be used for batch data analytics?

While primarily designed for real-time data streaming, Amazon Kinesis can also accommodate batch data analytics. Amazon Kinesis Data Firehose can batch, compress, and encrypt the data before loading it, which maximizes the throughput of data transfer.

Does AWS Glue require any server management?

No, AWS Glue is a fully managed service that does not require server management or the configuration of resources, it automatically provisions and manages the infrastructure needed to create, run, and monitor ETL jobs.

Can Amazon QuickSight perform predictions using machine learning models?

Yes, with QuickSight’s ML Insights feature, you can generate forecasts, identify key business drivers, capture changes in your data over time, detect anomalies, and run what-if analyses, among other things.

What is the underlying query language used by Amazon Athena?

Amazon Athena utilizes standard SQL as the query language, providing familiarity and broad coverage for a wide variety of use cases and data explorations.

Can Amazon Kinesis be used for video streaming analytics?

Yes, Amazon Kinesis Video Streams is specifically designed for securely capturing, processing, and storing video streams for analytics and machine learning.

How does AWS Glue handle Schema Discovery?

AWS Glue uses crawlers to investigate data across various sources, identify data format, and offer schema suggestions automatically, making the discovery and categorizing of data accessible and effortless.

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