AWS Storage and Databases 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 Storage and Databases flashcards as text
Which RDS feature allows you to create read replicas to offload read traffic from the primary database?
Answer: RDS Read Replicas
RDS Read Replicas create asynchronous copies of the primary database that handle read queries, reducing load on the primary instance.
What is the purpose of Amazon DynamoDB Streams?
Answer: To capture a time-ordered sequence of item-level modifications in a DynamoDB table
DynamoDB Streams captures a rolling 24-hour log of item-level changes (inserts, updates, deletes) in a DynamoDB table for processing downstream.
Which S3 feature encrypts data at rest using keys managed by AWS?
Answer: SSE-S3 (Server-Side Encryption with S3-managed keys)
SSE-S3 automatically encrypts objects stored in S3 using AES-256 encryption with keys managed entirely by AWS.
What is Amazon RDS Multi-AZ deployment?
Answer: A high-availability feature that maintains a standby replica in a different Availability Zone
RDS Multi-AZ maintains a synchronous standby replica in a different AZ and automatically fails over to it during outages, ensuring high availability.
Which AWS service is a fully managed graph database service?
Answer: Amazon Neptune
Amazon Neptune is a fully managed graph database service optimized for storing and querying highly connected datasets with billions of relationships.
What is S3 Lifecycle Policy used for?
Answer: To automatically transition objects to lower-cost storage classes or delete them after a set period
S3 Lifecycle Policies automate the transition of objects to cheaper storage tiers or their deletion based on age rules you define.