Performance Optimization MCQs ASP.NET 

What is a common technique for improving the performance of ASP.NET applications?
Caching frequently accessed data to reduce database queries and processing time

How can you optimize database access in an ASP.NET application?
By using Entity Framework’s AsNoTracking method for read-only queries

What is the role of the OutputCache attribute in ASP.NET?
To cache the output of a controller action or page for faster retrieval

How can you improve the performance of data retrieval in ASP.NET applications?
By using asynchronous database queries with async and await keywords

What is the impact of using SessionState in ASP.NET on performance?
It can impact performance negatively due to overhead of storing and retrieving session data

How can you minimize the performance impact of ViewState in ASP.NET Web Forms?
By setting EnableViewState to false for controls that do not need to maintain state

What method can be used to improve the performance of ASP.NET Core applications?
Using built-in middleware for request processing and minimizing custom middleware

How does enabling HTTP/2 impact performance in ASP.NET Core applications?
It improves performance by allowing multiplexing of multiple requests over a single connection

What is the purpose of Bundling and Minification in ASP.NET?
To reduce the number and size of HTTP requests for CSS and JavaScript files

How can you improve the performance of large file uploads in ASP.NET Core?
By using streaming uploads and configuring the RequestSizeLimit appropriately

What is the effect of using Connection Pooling in ADO.NET?
It reduces the overhead of establishing new database connections by reusing existing ones

How can you leverage NoSQL databases to optimize performance in ASP.NET applications?
By using them for scenarios requiring high-speed read and write operations with unstructured data

What is the benefit of using Lazy Initialization in ASP.NET applications?
It delays the creation of an object until it is needed, improving startup performance

How can you optimize static file serving in ASP.NET Core?
By enabling static file caching and using appropriate file serving middleware

What is the purpose of MemoryCache in ASP.NET Core?
To store frequently accessed data in memory for quick retrieval and reduced database access

How does using asynchronous programming improve performance in ASP.NET applications?
By allowing I/O-bound operations to run concurrently, freeing up threads for other tasks

What is a common way to improve the performance of database queries in ASP.NET?
By using query optimization techniques such as indexing and avoiding N+1 query problems

How can you optimize the performance of Web API responses in ASP.NET?
By using response compression and efficient serialization techniques

What role does Content Delivery Network (CDN) play in performance optimization?
It reduces latency and improves load times by distributing content from servers closer to users

How can Profiling tools be used to enhance performance in ASP.NET applications?
By identifying performance bottlenecks and areas for optimization in code execution

What is the benefit of using Entity Framework Core’s compiled queries?
It improves performance by pre-compiling queries and reusing the compiled version

How can Caching be implemented effectively in ASP.NET applications?
By using in-memory caching, distributed caching, or a combination of both

What is the impact of Asynchronous Middleware on ASP.NET Core performance?
It allows for non-blocking operations and improves request handling efficiency

How does optimizing the use of LINQ queries affect performance in ASP.NET?
By avoiding inefficient queries and minimizing unnecessary data retrieval

What is the advantage of using Data Annotations over Fluent API for configuring entity models in EF Core?
Data Annotations can simplify configuration but may be less flexible than Fluent API

How can you improve the performance of large JSON responses in ASP.NET Core?
By using streaming serialization to avoid loading the entire JSON into memory

What is the effect of using Server-Side Blazor versus Client-Side Blazor on performance?
Server-Side Blazor may result in higher latency due to server round-trips compared to Client-Side Blazor

How does Garbage Collection impact performance in ASP.NET applications?
Frequent garbage collection can impact performance, so tuning GC settings can optimize application performance

What is the role of Application Insights in performance monitoring?
It provides telemetry data to identify performance issues and track application health

How can you use Response Caching to improve performance in ASP.NET Core?
By caching responses from the server to reduce the need to generate the same response multiple times

What is the advantage of using Just-In-Time (JIT) compilation in ASP.NET applications?
It improves performance by compiling code to native instructions only when it is needed

How can you optimize the performance of Entity Framework Core migrations?
By minimizing the number of migrations and applying them in bulk during deployment

What is the benefit of using NoSQL databases in scenarios requiring high scalability?
They offer flexible schema designs and high performance for large-scale data operations

How can you leverage App Services Plan scaling options to optimize ASP.NET performance?
By adjusting scaling settings to match application load and resource requirements

What is the impact of using Compression on ASP.NET Core application performance?
It reduces the size of data transferred over the network, improving load times

How can Pre-compiling Views improve performance in ASP.NET Core applications?
By reducing the runtime overhead of compiling views on the fly

What is the benefit of using Distributed Caching in an ASP.NET Core application?
It provides a scalable caching solution that works across multiple server instances

How can Profiling tools help in optimizing SQL queries in ASP.NET applications?
By identifying slow or inefficient queries and recommending improvements

What is the role of Memory Management in optimizing ASP.NET performance?
Efficient memory management reduces overhead and avoids performance issues related to memory leaks

How can Code Optimization techniques be applied to improve ASP.NET application performance?
By refactoring inefficient code and minimizing the complexity of algorithms

What is the effect of using Service Workers in enhancing performance in web applications?
They enable offline capabilities and improve load times by caching resources locally

How can you use Rate Limiting to improve performance in an ASP.NET API?
By controlling the number of requests a client can make within a time frame to prevent abuse

What is the advantage of Lazy Loading in improving database access performance?
It defers the loading of related entities until they are actually needed, reducing initial load time

How does Asynchronous Programming contribute to better performance in web applications?
It allows concurrent processing of requests and improves application responsiveness

What role does Indexing play in optimizing database performance?
It speeds up query performance by allowing faster data retrieval from tables

How can you minimize the impact of Session State on ASP.NET application performance?
By using distributed session state storage or avoiding session state where possible

What is the purpose of Connection Resiliency in Entity Framework Core?
To handle transient faults and improve the reliability of database connections

How can Minimizing Network Latency enhance the performance of ASP.NET applications?
By optimizing data transfer and reducing the time it takes for requests and responses to travel

What is the benefit of Defer Loading in ASP.NET Core applications?
It delays the loading of non-critical resources to speed up the initial load time of the application