Q21. What are common agile anti-patterns and how do you address them?
Common anti-patterns usually dress up traditional management as agile. Zombie Scrum: the ceremonies happen but there is no real self management or working software. The D...
Technical Question Bank · Peer-Reviewed
Job Interview Questions and Answers Directory
Search and filter frequently asked interview questions across technical, programming, and behavioral domains. Tailor your interview preparation by difficulty for freshers or experienced developers (182 available).
Active:
Difficulty: hard ×
Q22. How do you define and track product-market fit?
Product-market fit is the point where a product satisfies a strong market demand well enough that it grows, retains and pulls customers in without heroic effort. I do not...
Q23. How do you measure the ROI of a marketing campaign?
ROI is the incremental profit attributable to a campaign divided by its cost. The hard part is the word incremental. I start by agreeing on the metric that represents val...
Q24. How does sharding work in MongoDB?
Sharding horizontally partitions a collection across mongos routers and shards. You choose a shard key, and MongoDB splits the key space into chunks distributed and balan...
Q25. How does the Linux boot process work?
The boot sequence moves from firmware to the kernel and then to userspace. 1. Firmware, BIOS or UEFI, runs POST and then loads the bootloader from disk or network. 2. GRU...
Q26. How do you implement safe rollbacks in a delivery pipeline?
Make rollback a first-class, automated, and tested operation. - Immutable artefacts: deploy versioned images or packages so you can redeploy the previous one exactly. - D...
Q27. How do you manage infrastructure drift in Terraform?
Drift is a difference between real infrastructure and Terraform state, usually caused by manual changes. Detect: - terraform plan refreshes state and shows differences. -...
Q28. How do you reduce Docker image size?
Attack the layers, base image, and build context. - Use a minimal base: alpine, distroless, or scratch for static binaries. - Use multi-stage builds: compile in one stage...
Q29. How does Python memory management work?
CPython combines: - Reference counting for immediate reclamation. Every object tracks how many references point to it; when the count hits zero it is freed. - A cyclic ga...
Q30. What is structural typing and how does it differ from nominal typing?
TypeScript is structurally typed: compatibility is decided by the shape of a value, not by its declared name. If it has the required members, it is assignable. ```ts inte...