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What is the main purpose of IAM policies in DynamoDB?

easy🧠 Conceptual Q11 of 15
DynamoDB - Security and Access Control
What is the main purpose of IAM policies in DynamoDB?
ATo speed up database queries
BTo create database tables
CTo store data backups automatically
DTo control who can access and modify data
Step-by-Step Solution
Solution:

  1. Step 1: Understand IAM policy role

    IAM policies define permissions for users and services to access AWS resources.

  2. Step 2: Connect IAM policies to data protection

    By controlling who can read or write data, IAM policies protect the data from unauthorized access.

  3. Final Answer:

    To control who can access and modify data -> Option D

  4. Quick Check:

    IAM policies = control access [OK]
Quick Trick: IAM policies control access rights to data [OK]
Common Mistakes:
MISTAKES
  • Thinking IAM speeds up queries
  • Confusing IAM with data backup
  • Believing IAM creates tables

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