AWS Data Analytics & Machine Learning 2 — Questions and Answers
Question 1: Which AWS service provides a fully managed, petabyte-scale data warehouse for running complex analytic queries?
- Amazon Redshift (Correct answer)
- Amazon DynamoDB
- Amazon ElastiCache
- Amazon Neptune
Correct answer: Amazon Redshift
Amazon Redshift is AWS's fully managed, petabyte-scale data warehouse optimized for analytic queries.
Question 2: A team needs to run ad-hoc SQL queries directly against data stored in Amazon S3 without managing servers. Which service fits best?
- Amazon Athena (Correct answer)
- Amazon EMR
- AWS Glue
- Amazon Kinesis
Correct answer: Amazon Athena
Amazon Athena is a serverless query service that lets you run standard SQL directly on data in S3.
Question 3: Which AWS service is a fully managed extract, transform, and load (ETL) service that catalogs data and prepares it for analytics?
- AWS Glue (Correct answer)
- Amazon QuickSight
- Amazon Comprehend
- AWS Batch
Correct answer: AWS Glue
AWS Glue is a serverless ETL service that includes a Data Catalog for discovering and preparing data.
Question 4: Which service provides business intelligence dashboards and interactive visualizations with SPICE in-memory acceleration?
- Amazon QuickSight (Correct answer)
- Amazon Athena
- AWS Glue
- Amazon Kinesis Data Firehose
Correct answer: Amazon QuickSight
Amazon QuickSight is AWS's serverless BI service that uses the SPICE engine for fast in-memory analytics.
Question 5: A company wants to ingest and process streaming clickstream data in real time. Which service is most appropriate?
- Amazon Kinesis Data Streams (Correct answer)
- Amazon S3 Glacier
- Amazon RDS
- AWS Snowball
Correct answer: Amazon Kinesis Data Streams
Amazon Kinesis Data Streams is built for real-time ingestion and processing of streaming data like clickstreams.
Question 6: Which fully managed service is designed to build, train, and deploy machine learning models at scale?
- Amazon SageMaker (Correct answer)
- Amazon Rekognition
- Amazon Polly
- Amazon Lex
Correct answer: Amazon SageMaker
Amazon SageMaker is the flagship managed platform for building, training, and deploying ML models.
Question 7: Which AWS service runs managed Apache Spark and Hadoop clusters for big data processing?
- Amazon EMR (Correct answer)
- Amazon Athena
- Amazon QuickSight
- AWS Lambda
Correct answer: Amazon EMR
Amazon EMR provides managed clusters for running big data frameworks such as Apache Spark and Hadoop.
Which AWS service provides a fully managed, petabyte-scale data warehouse for running complex analytic queries?