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AWS Interview Q&A — Top 20
EC2, S3, VPC, IAM, Lambda — the 20 most asked AWS questions with detailed answers. Covers basics to intermediate level.
20 questionsBeginner–Mid☁️ AWS
RoadmapFREE
⚙️
DevOps in 60 Days — Roadmap
Week-by-week plan to go from zero to job-ready in DevOps. Covers Linux → Git → Docker → K8s → CI/CD → AWS — in the right order.
8 weeksBeginner⚙️ DevOps
Cheat SheetFREE
🐳
Docker Commands Cheat Sheet
Every Docker command you actually use in production — build, run, compose, volumes, networks, inspect, logs. Grouped by category.
40 commandsAll levels⚙️ DevOps
Q&A BankFREE
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Telecom / RAN Interview Q&A — Top 15
4G LTE, 5G NR, RAN architecture, handover types, KPIs — the questions every telecom engineer faces in interviews. From a 12-year RAN expert.
15 questionsMid–Senior📡 Telecom
Cheat SheetFREE
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Python for DevOps — Cheat Sheet
File operations, subprocess, os/sys, paramiko SSH, requests API calls, JSON parsing, regex — the Python patterns DevOps engineers actually use.
35 snippetsIntermediate🐍 Python
Cheat SheetFREE
🗄
SQL Interview Cheat Sheet
JOINs, window functions, CTEs, subqueries, GROUP BY traps, NULL handling, indexing — every SQL pattern that comes up in data/backend interviews.
Docker, Kubernetes, Jenkins, Terraform, Ansible, Git, Linux, monitoring — every DevOps interview question with detailed, example-backed answers.
80 questionsAll levels
Q&A Bank🔒
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Telecom / 5G / NOC — Full 60
2G/3G/4G/5G architecture, RAN planning, NOC operations, alarm management, KPI analysis, drive testing — the complete telecom interview bank.
60 questionsMid–Senior
Roadmap🔒
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AWS Solutions Architect — 90-Day Plan
Day-by-day study plan for AWS SA Associate certification — topics, practice questions, hands-on labs, and mock exam schedule included.
90 daysStructured
Q&A Bank🔒
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Python Interview Q&A — Full 70
OOP, decorators, generators, asyncio, pandas, numpy, Django, Flask, FastAPI — all Python interview topics with working code examples.
70 questionsAll levels
Q&A Bank🔒
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SQL + Data Interview Q&A — Full 60
SQL queries, database design, normalization, indexes, transactions, and real-world scenario questions used in data analyst and backend interviews.
60 questionsAll levels
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☁️ Explain VPC in AWS
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