You tried to enable encryption at rest on an existing DynamoDB table but got an error. What is a likely cause?

medium📝 Debug Q6 of 15

DynamoDB - Security and Access Control

AEncryption at rest cannot be enabled after table creation

BThe table already has encryption enabled

CYou did not specify the encryption key

DEncryption at rest requires disabling encryption in transit first

Step-by-Step Solution

Solution:

Step 1: Understand DynamoDB encryption at rest limitations
Encryption at rest must be enabled when creating the table; it cannot be turned on later for existing tables.
Step 2: Identify why enabling encryption after creation causes error
Trying to enable it later results in an error because the feature is not supported post-creation.
Final Answer:
Encryption at rest cannot be enabled after table creation -> Option A
Quick Check:
Encryption at rest must be set at table creation [OK]

Quick Trick: Enable encryption at rest only during table creation [OK]

Common Mistakes:

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