Dot Net Interview Questions

What is the difference between DLL and EXE?

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EXE files are single outbound files that cannot be shared with other applications. DLL files are multiple inbound files that are shareable. In the context of .NET development, the primary difference between a DLL (Dynamic Link Library) and an EXE (Executable File) lies in their purpose and usage: DLL (Dynamic Link Library): A DLL is … Read more

What is a PE file?

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PE stands for Portable Executable. It is a derivative of the Microsoft Common Object File Format (COFF). Windows executable, .EXE or DLL files follow the PE file format. It consists of four parts: 1. PE/COFF headers- Contains information regarding .EXE or DLL file. 2. CLR header- Contains information about CLR & memory management. 3. CLR … Read more

What is Serialization?

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Serialization is the process of converting the state of an object into a form (a stream of bytes) to be persisted or transported. Deserialization converts a stream into an object and is the opposite of serialization. These processes allow data to be stored and transferred. Serialization in the context of .NET refers to the process … Read more

What are client-side and server-side validations in Web pages?

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Client-side validations take place at the client end with the help of JavaScript and VBScript offering a better user experience. The inputs for client-side validation are validated in the user’s browser. While, server-side validations take place at the server end using ASP.Net and PHP, and the feedback is sent through a dynamically generated new webpage. … Read more

What is Object Pooling?

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Object Pooling is a concept for optimal use of limited resources through software constructs. The ready-to-use objects, connections, and threads are stored in a pool (group) of objects in memory for later use. For creating a new object, it is pulled from the pool and allocated for the request. Pooling helps in improving performance and … Read more