Ravi Sir's Cards › AWS
When to use
What is a VPC: your own private network inside one AWS Region, example ThreeTierVpc 10.0.0.0/16.
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What this card says
When to use
Root user
Account owner email+password; bypasses almost all IAM denies.
Break-glass admin
Planned emergency admin role/user with MFA and audit.
Key points
Rare account/billing tasks only; never daily.
SSO/admin path down; drills; never daily Admin for all.
Example
Root MFA, no root keys, sealed procedure.
Use when
Unlimited blast radius.
Limited, monitored emergency.