Practice Test GeeksAWS Practice Test
← All AWS Flashcard Decks

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

  1. Which AWS database service is a fully managed, serverless, key-value NoSQL database designed for high-performance applications?

    Answer: Amazon DynamoDB

    Amazon DynamoDB is a fully managed, serverless, key-value and document NoSQL database that delivers single-digit millisecond performance at any scale.

  2. What is the maximum size of a single item in Amazon DynamoDB?

    Answer: 400 KB

    A single item in DynamoDB can store up to 400 KB of data, including attribute names and values.

  3. Which Amazon RDS feature automatically creates a standby instance in a different Availability Zone for failover support?

    Answer: Multi-AZ Deployment

    Multi-AZ Deployment provisions a synchronous standby replica in a different AZ, enabling automatic failover in the event of a primary DB instance failure.

  4. Which AWS service is a petabyte-scale data warehouse solution optimized for complex analytics queries?

    Answer: Amazon Redshift

    Amazon Redshift is a fully managed, petabyte-scale data warehouse service that makes it simple to analyze data using standard SQL and existing BI tools.

  5. Which DynamoDB capacity mode automatically adjusts read and write throughput based on actual traffic patterns?

    Answer: On-Demand Mode

    DynamoDB On-Demand Mode automatically scales to accommodate workloads without requiring capacity planning, charging per request.

  6. What does Amazon ElastiCache provide for AWS applications?

    Answer: In-memory caching to improve database performance

    Amazon ElastiCache is a fully managed in-memory caching service supporting Redis and Memcached, used to reduce database load and improve response times.