Explain the concept of DevSecOps ('Shift Left'). Discuss how to integrate security scanning tools into a CI/CD pipeline, including Static Application Security Testing (SAST), Dynamic Application Security Testing (DAST), and dependency scanning.
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Discuss the pros and cons of using Data Annotations vs. the Fluent API for configuring the EF Core data model. Explain which takes precedence.
Understand how this paradigm breaks problems into smaller subproblems, solves them recursively, and combines the results. Recognize Merge Sort and Quick Sort as classic examples.
Explain the purpose of Data Transfer Objects (DTOs) and why they are important for decoupling your internal domain models from your external API contracts. Discuss the pros and cons of using an object mapping library like AutoMapper.
This is a critical topic for senior interviews. Be able to identify a DP problem by recognizing optimal substructure and overlapping subproblems. Differentiate between memoization (top-down) and tabulation (bottom-up) approaches.
Explain how to use global query filters to implement soft-delete functionality or multi-tenancy in an application.
Explain what interceptors are and how they can be used to intercept database operations for logging, auditing, or modifying commands before they are executed.
Discuss advanced migration scenarios, such as generating idempotent SQL scripts for deployment, and strategies for rolling back a failed migration in a production environment.