AWS Database and Analytics Services Flashcards
6 cards from real AWS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 AWS Database and Analytics Services flashcards as text
Which AWS service provides a fully managed extract, transform, and load (ETL) service for data preparation?
Answer: AWS Glue
AWS Glue is a serverless data integration service that makes it easy to discover, prepare, and combine data for analytics, machine learning, and application development.
What is Amazon Kinesis Data Streams primarily used for?
Answer: Real-time processing of streaming data
Amazon Kinesis Data Streams enables real-time collection, processing, and analysis of streaming data such as log files, clickstreams, and IoT telemetry.
Which Amazon RDS feature improves read performance by directing read traffic to additional database instances?
Answer: Read Replicas
RDS Read Replicas allow you to create one or more replicas of a database instance to handle read-heavy workloads and reduce load on the primary instance.
What is the primary purpose of Amazon DynamoDB Accelerator (DAX)?
Answer: To add in-memory caching to DynamoDB for microsecond response times
DAX is a fully managed, in-memory cache for DynamoDB that delivers up to a 10x performance improvement, reducing response times from milliseconds to microseconds.
Which AWS service enables you to create interactive dashboards and visualizations from your data?
Answer: Amazon QuickSight
Amazon QuickSight is a scalable, serverless, embeddable BI service that lets you easily create and publish interactive dashboards connected to your AWS data sources.
Which consistency model does Amazon DynamoDB offer for reads that always return the most up-to-date data?
Answer: Strong Consistency
DynamoDB strongly consistent reads return a result that reflects all writes that received a successful response prior to the read, ensuring the most current data.