[Solved] Why does AWS Route 53 require a unique caller reference when creating a hosted zone? — Ans: To prevent accidental duplicate hosted zone creation | AWS

AWS - Route 53

Why does AWS Route 53 require a unique caller reference when creating a hosted zone?

ATo identify the AWS region for the hosted zone

BTo specify the VPC association for private zones

CTo prevent accidental duplicate hosted zone creation

DTo set the TTL for DNS records automatically

Step-by-Step Solution

Solution:

Step 1: Understand caller reference purpose
The caller reference is a unique string to identify the request and avoid duplicates.
Step 2: Clarify what it does not do
It does not specify region, VPC, or TTL settings.
Final Answer:
To prevent accidental duplicate hosted zone creation -> Option C
Quick Check:
Caller reference ensures unique create requests [OK]

Quick Trick: Caller reference avoids duplicate hosted zone creation [OK]

Common Mistakes:

Master "Route 53" in AWS

9 interactive learning modes - each teaches the same concept differently

More AWS Quizzes

Why does AWS Route 53 require a unique caller reference when creating a hosted zone?