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Cognizant
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Web API requests in ASP.NET Core are processed through middleware in the request pipeline.
Web API requests are processed through middleware components in the ASP.NET Core pipeline.
Each middleware component can inspect, modify, or pass on the request to the next component.
Middleware components can perform tasks such as authentication, logging, routing, and error handling.
The request pipeline is configured in the Startup
Exception filters in Asp.net MVC are used to handle exceptions globally in the application.
Exception filters are attributes that can be applied to controller actions or globally to handle exceptions.
They are executed when an unhandled exception occurs during the execution of an action method.
Exception filters can be used to log exceptions, redirect to error pages, or perform any custom action.
Example: [HandleError] att...
Authentication in web API is the process of verifying the identity of a user or system before granting access to resources.
Authentication involves validating the credentials provided by the user, such as username and password.
Common authentication methods include token-based authentication, OAuth, and JWT.
Authentication helps in ensuring that only authorized users can access protected resources.
Examples of authenticati...
What people are saying about Cognizant
I applied via Referral and was interviewed in Feb 2024. There were 3 interview rounds.
Basic C# concepts include data types, variables, loops, conditional statements, classes, and methods.
Data types in C# include int, string, bool, double, etc.
Variables are used to store data and can be declared using var keyword.
Loops like for, while, and do-while are used for repetitive tasks.
Conditional statements like if-else and switch-case help in decision making.
Classes are used to define objects with properties a...
I wasn't having any assignment given.
Cognizant interview questions for designations
The question is asking for an explanation of 'what' something is and 'how' it works.
Define the subject or concept being asked about
Explain the characteristics or components of the subject
Describe the process or mechanism of how it functions
Provide examples to illustrate the explanation
Chose Cognizant for its reputation in the industry. Leaving for career growth opportunities.
Chose Cognizant due to its strong reputation in the industry for delivering quality projects
Seeking new challenges and opportunities for career growth
Looking for a role that aligns better with long-term career goals
Get interview-ready with Top Cognizant Interview Questions
ConcurrentHashMap is a thread-safe implementation of the Map interface in Java.
ConcurrentHashMap allows multiple threads to read and write to the map concurrently without the need for external synchronization.
It achieves thread-safety by dividing the map into segments, each of which can be locked independently.
ConcurrentHashMap is more efficient than using synchronized collections for concurrent access.
Example: Concurr
I applied via Approached by Company and was interviewed in Jan 2024. There was 1 interview round.
I applied via Naukri.com and was interviewed in Sep 2023. There were 3 interview rounds.
Virtual DOM is a lightweight copy of the actual DOM in memory, used for efficient updating of the real DOM.
Virtual DOM is a concept used in frameworks like React to improve performance by minimizing actual DOM manipulations.
Changes are first made to the Virtual DOM, which is then compared to the real DOM to identify the minimal updates needed.
This approach reduces the number of costly DOM operations, resulting in faste
Some of the top questions asked at the Cognizant Project Associate interview -
The duration of Cognizant Project Associate interview process can vary, but typically it takes about less than 2 weeks to complete.
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