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AWS practitioner Certification
AWS Shared Responsibility Model
📅 Apr 15, 2026
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AWS CLOUD PRACTITIONER / SAA-C03 AWS Shared Responsibility Model |
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🧠 Memory Trick — OS को माथि Customer, तल AWS |
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| Layer | Responsibility | Note |
|---|---|---|
| Application | ✔ Customer | |
| ⭐ Guest OS | ✔ Customer | ← EXAM QUESTION |
| Security Group | ✔ Customer | |
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─────── OS को तल = AWS ─────── |
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| Hypervisor | ✘ AWS | |
| Host OS | ✘ AWS | |
| Physical Hardware | ✘ AWS | |
| AZ / Region | ✘ AWS | |
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❓ Exam Questions — 100% आउँछ |
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| Question | Answer |
|---|---|
| Who patches the guest OS on an EC2 instance? | ✔ Customer |
| Who patches the host OS / hypervisor? | ✘ AWS |
| Who manages Availability Zone infrastructure? | ✘ AWS |
| Who configures EC2 Security Groups? | ✔ Customer |
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"Customers that deploy an Amazon EC2 instance are responsible for the management of the guest operating system (including updates and security patches)." |