[Solved] You wrote this AWS CLI command to create a VPC:aws ec2 create-vpc --cidr 10.0.0.0/16Why does this command fail? | AWS

AWS - VPC Fundamentals

You wrote this AWS CLI command to create a VPC:

aws ec2 create-vpc --cidr 10.0.0.0/16

Why does this command fail?

ACIDR block 10.0.0.0/16 is invalid

BThe option should be --cidr-block, not --cidr

CYou must specify a subnet with the command

DThe command requires a region parameter

Step-by-Step Solution

Solution:

Step 1: Check AWS CLI option names
The correct option for CIDR is '--cidr-block', not '--cidr'.
Step 2: Validate other parts
The CIDR is valid, subnet is not required here, region is optional if configured.
Final Answer:
The option should be --cidr-block, not --cidr -> Option B
Quick Check:
Correct CLI option = --cidr-block [OK]

Quick Trick: Use --cidr-block, not --cidr, in AWS CLI VPC commands [OK]

Common Mistakes:

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