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 Amazon Aurora feature allows you to serve read traffic from up to 15 low-latency read replicas?
Answer: Aurora Replicas
Aurora Replicas share the same underlying storage as the primary instance and support up to 15 replicas with millisecond replica lag for read scaling.
Which AWS analytics service allows you to run SQL queries directly on data stored in Amazon S3 without loading it into a database?
Answer: Amazon Athena
Amazon Athena is an interactive query service that makes it easy to analyze data in Amazon S3 using standard SQL without managing any infrastructure.
What is the purpose of AWS Database Migration Service (DMS)?
Answer: To migrate databases to AWS with minimal downtime
AWS DMS helps migrate databases to AWS quickly and securely, keeping the source database fully operational during migration to minimize downtime.
Which AWS service is used to process large amounts of data using Apache Hadoop and Spark frameworks?
Answer: Amazon EMR
Amazon EMR (Elastic MapReduce) is a managed cluster platform that simplifies running big data frameworks like Apache Hadoop and Spark on AWS.
Which DynamoDB feature enables you to capture a time-ordered sequence of item-level changes in a table?
Answer: DynamoDB Streams
DynamoDB Streams captures a time-ordered sequence of item-level modifications in a DynamoDB table, enabling event-driven architectures and change data capture.
What type of database engine does Amazon Neptune provide?
Answer: Graph database
Amazon Neptune is a fully managed graph database service that supports property graph and RDF models, optimized for storing and querying highly connected datasets.