Pick a focused question that fits your time, stack, and interview goal.
How much time do you have?
Show one-drill sessions you can finish now.
206 results across 1 active filter
Page 2 of 9
Explains short-lived access tokens, refresh-token rotation, revocation, storage choices, and replay detection.
Explains when CSRF matters, how cookies change browser behavior, and what mitigations fit API clients.
Compares point-to-point queues with publish-subscribe topics and explains when each model fits.
Explains how roles group permissions while API policies enforce specific capabilities and resource rules.
Builds optional EF Core predicates while preserving server translation, stable ordering, and a bounded result.
Explains composite index column order with practical .NET data-access examples and production trade-offs.
Distinguishes request and response media types and designs predictable negotiation, rejection, documentation, and caching behavior.
Compare endpoint styles in real services, including organization, conventions, testing, filters, and OpenAPI behavior.
Explains browser same-origin enforcement, preflight requests, credentials, middleware behavior, and why CORS is not authorization.
Explains database constraints versus application validation with practical .NET data-access examples and production trade-offs.
Uses deadlock evidence to correct EF Core transaction scope, query plans, and resource order, with bounded retries only for repeat-safe victims.
Debugs ASP.NET Core authentication challenges and authorization forbids across schemes, token validation, policies, claims, tenants, and resource checks.
Explains a practical debugging path across browser, Next.js layer, API, logs, database, and deployment changes.
Investigate an endpoint accepting invalid data or returning inconsistent validation errors.
Explains database connection pool exhaustion with practical .NET data-access examples and production trade-offs.
Explains high database CPU after an API change with practical .NET data-access examples and production trade-offs.
Explains how to design DTOs, response shapes, UI needs, API compatibility, and frontend/backend ownership for a feature.
Designs an async export flow for large reports without blocking API requests or exhausting database and memory resources.
Designs dashboard APIs with precomputed metrics, freshness rules, query cost control, and drill-down support.
Designs explicit workflow states, allowed transitions, guard rules, audit history, idempotency, and operational repair paths.
Design API error handling across validation errors, conflicts, auth failures, not-found responses, and unexpected exceptions.
Designs feature flag storage, targeting, safe defaults, auditability, and rollout observability for backend behavior.
Explains useful message metadata for tracing, idempotency, ownership, versioning, and support diagnostics.
Designs tenant isolation across API, data, cache, background jobs, search, and admin access.