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AWS Database Services Flashcards

7 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 7 AWS Database Services flashcards as text

  1. Which AWS service helps migrate databases to AWS with minimal downtime?

    Answer: AWS Database Migration Service (DMS)

    AWS DMS migrates databases with continuous replication and minimal downtime.

  2. What is the function of the AWS Schema Conversion Tool (SCT)?

    Answer: Convert schema and code between different database engines

    SCT converts schema, views, and stored procedures between heterogeneous database engines.

  3. By default, how long does Amazon RDS retain automated backups?

    Answer: 7 days

    RDS automated backups are retained for 7 days by default, configurable up to 35 days.

  4. Which Aurora feature lets you rewind the database to a previous point in time without restoring a backup?

    Answer: Backtrack

    Aurora Backtrack rewinds the cluster to a prior point in time in seconds without a restore.

  5. What is the maximum size of a single item in a DynamoDB table?

    Answer: 400 KB

    A DynamoDB item can be at most 400 KB including attribute names and values.

  6. Which DynamoDB index type allows querying on a non-primary-key attribute and can be created after the table exists?

    Answer: Global Secondary Index

    Global Secondary Indexes can be added anytime and use a different partition key.

  7. What does Amazon DocumentDB provide compatibility with?

    Answer: MongoDB

    Amazon DocumentDB is a managed document database compatible with MongoDB.