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What is the main purpose of on-demand backups in DynamoDB?

easy🧠 Conceptual Q11 of 15
DynamoDB - Backup and Recovery
What is the main purpose of on-demand backups in DynamoDB?
ATo delete old data from the table
BTo automatically scale the table capacity
CTo encrypt data during transfer
DTo save a copy of your table data at any time for recovery
Step-by-Step Solution
Solution:

  1. Step 1: Understand what on-demand backups do

    On-demand backups let you save your DynamoDB table data whenever you want.

  2. Step 2: Identify the main purpose

    The main goal is to protect data and allow recovery if needed.

  3. Final Answer:

    To save a copy of your table data at any time for recovery -> Option D

  4. Quick Check:

    On-demand backups = save data anytime [OK]
Quick Trick: Backups save data copies for recovery anytime [OK]
Common Mistakes:
MISTAKES
  • Confusing backups with scaling features
  • Thinking backups delete data
  • Mixing encryption with backup purpose

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