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Technology
Azure messaging with queues, topics, dead-letter queues, delivery counts, locks, duplicate handling, and background workflows.
Practice items tagged with Azure Service Bus.
Explains partition key selection for ordering, load distribution, hot keys, and consumer scalability.
Compares point-to-point queues with publish-subscribe topics and explains when each model fits.
Compares Redis pub/sub with durable queues when broadcasting cache invalidation or refresh events.
Diagnose a growing queue backlog in an Azure-based background processing system.
Traces duplicate side effects across message delivery, lock ownership, settlement, durable job state, and external idempotency, then repairs affected users safely.
Diagnose missing trace continuity when an API enqueues work processed by an Azure worker.
Preparation paths where this taxonomy appears in the track scope.
Queues, events, idempotency, retries, dead letters, ordering, and streaming.
A practical messaging track covering queue-backed workers, publish-subscribe events, retry behavior, idempotent consumers, dead-letter recovery, message ordering, event schemas, consumer lag, replay, and production operations.
Incidents, diagnosis, mitigation, and recovery for Azure-hosted .NET systems.
A focused incident-practice track for .NET backend and full-stack candidates who need to debug App Service releases, slot swaps, identity failures, Key Vault references, Azure SQL issues, missing telemetry, and queue-backed background processing problems.