Technical Question Bank · Peer-Reviewed
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).
I treat it as a prioritisation problem with an authority question, not a personality contest. First I meet each stakeholder separately to understand their requirement and...
I start from the learning outcomes and the constraints, not from the technology. First I map which outcomes can be achieved online and which need synchronous or practical...
I say no to the request, not to the customer. First I make sure I understand what they actually need, because a request is often a proposed solution rather than the real ...
Late data breaks the assumption that all events for a time window have arrived. Common strategies: - Watermarks: define how long to wait for late events before closing a ...
Redis Cluster shards data across nodes using 16384 hash slots. Each key maps to a slot via CRC16(key) mod 16384, and slots are assigned to masters. Clients may query any ...
Measure latency and utilisation, then find the culprit. 1. Space versus inodes: use df -h and df -i. A full inode table also breaks writes. 2. Utilisation and latency: ``...
Treat the pipeline as production infrastructure with its own threat model. - Secrets: never hardcode them. Use a secrets manager or OIDC federation so the pipeline gets s...
The lifecycle block controls how Terraform creates, updates, and destroys a resource. - create_before_destroy: create the replacement before destroying the old one, reduc...
CrashLoopBackOff means the container starts, exits, and Kubernetes restarts it with exponential backoff. 1. Get the state and previous logs. ```bash kubectl get pod web-1...
Plan for node, zone, and control-plane failures. - Regional cluster: the control plane is replicated across three zones and nodes spread across zones, so a single zone ou...
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