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  • Which database is NOT supported by Amazon RDS?


    Cassandra

    database amazon_rds
  • How to ensure MySQL database availability in case of a disaster in one AZ?


    Use Multi-AZ deployment

    mysql disaster_recovery
  • Which solution is NOT adapted to an RDS database struggling with read requests?


    Read Replicas

    rds read_requests
  • Why users may not see updated social media posts right away with read replicas?


    Replication lag

    read_replicas social_media
  • Which RDS feature doesn't require changing the SQL connection string?


    IAM Database Authentication

    rds authentication
  • How to handle user sessions without Sticky Sessions on ALB?


    Use ElastiCache

    user_sessions alb
  • How to improve user experience with analytics queries on production RDS database?


    Use a read replica for analytics queries

    analytics rds
  • How to ensure high availability for an ElastiCache Redis cluster?


    Use a cluster with multiple nodes

    elasticache high_availability
  • What's the most cost-effective solution for a new Java application with heavy analytics workload?


    Use a read replica for analytics workload

    java analytics
  • How to create a disaster recovery strategy for an RDS PostgreSQL database?


    Use a Multi-AZ deployment with a read replica in another region

    postgresql disaster_recovery
  • How to give access to developers to an RDS MySQL DB instance?


    Use IAM roles and permissions

    mysql access
  • What's true about replication in RDS Read Replicas and Multi-AZ?


    Both provide automatic failover

    replication rds
  • How to encrypt an unencrypted RDS DB instance?


    Use the 'Modify' option in the RDS console

    encryption rds
  • How many Read Replicas can you have for an RDS database?


    Up to 5

    rds read_replicas
  • Which RDS database technology doesn't support IAM Database Authentication?


    Oracle

    rds oracle
  • Can you configure RDS Read Replicas to be encrypted if the primary instance is unencrypted?


    Yes

    rds encryption
  • How many Aurora Read Replicas can you have in a single Aurora DB Cluster?


    Up to 15

    aurora read_replicas
  • Which databases are supported by Amazon Aurora?


    MySQL and PostgreSQL

    aurora supported_databases
  • What's the maximum number of Read Replicas you can add in an ElastiCache Redis Cluster with Cluster-Mode Disabled?


    5

    elasticache read_replicas
  • What's the issue with a large number of requests going to the database because items are removed from the cache before they expire?


    Cache thrashing

    cache database