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🗓️ अभ्यास योजना — 12 धडे, 4 आठवडे

~3 sessions a week: read the lesson (~15 min) + run and change its section of vpc/demo.py (~25 min). Tick lessons off — progress is saved in this browser.

🐢 स्थिर: आठवड्याला 3 सत्रे → 4 आठवड्यांत पूर्ण.
🐇 वेगवान मार्ग: प्रत्येक भागाला एक शनिवार-रविवार → 2 शनिवार-रविवारांत पूर्ण.
💰 खर्च: शून्य. तुमच्या laptop वर Python 3; AWS account नको.
0 / 12

WEEK 1 🔢 Campus, house numbers, wings

Why a VPC, CIDR, subnets and AZs. Lab: change the /20 plan to /22 and count what is left; list the 5 reserved addresses of a /28.

~35 मि.
~40 मि.
~40 मि.
🏁 Checkpoint: you can carve a VPC into 9 subnets across 3 AZs and say why a /24 has 251 usable addresses.

WEEK 2 🪪 Signs, gate, guards

Route tables, the internet gateway, security groups vs NACLs. Lab: add a more specific route and watch it win; delete the NACL return-port rule and walk the packet again.

~40 मि.
~40 मि.
~45 मि.
🏁 Checkpoint: you can predict every walk in the guards section before running it — and name the blocker.

WEEK 3 🚇 Tunnels, phone book, corridors

Endpoints, DNS, peering. Lab: route S3 through the endpoint instead of the NAT; try to peer two overlapping ranges; try school → vendor.

~40 मि.
~35 मि.
~40 मि.
🏁 Checkpoint: S3 went through vpce-s3, the overlapping peering was refused and the non-transitive path was blocked.

WEEK 4 🚌 Bus station, blocker, blueprint

Transit Gateway, troubleshooting, production design. Lab: let dev reach shared but not prod; read three flow-log lines; design your own campus.

~45 मि.
~40 मि.
~45 मि.
🏁 Checkpoint: 🏆 Capstone: design a VPC for a small school app: 3 AZs, public/app/data tiers, one NAT per AZ, S3 and DynamoDB endpoints, flow logs — and write the test that proves the database has no route to the internet.

🎓 12 / 12 — the campus is yours!

Next: the NAT school builds the gate private wings go out through, the API Gateway school builds the front office, and the School portal has the rest.