Optimum Trading Studio Senior Technical Consultant Interview Questions and Answers

Filters in .NET are components that allow developers to manipulate and transform data in various ways.

• Filters are used to modify or refine data in .NET applications.

• They can be used to perform tasks such as data validation, data transformation, and data manipulation.

• Filters can be applied to various types of data, including text, numbers, and objects.

• Examples of filters in .NET include the LINQ query operators, which a...read more

Redux provides a centralized state management solution with advanced features compared to Context API.

• Redux allows for a more scalable and maintainable application architecture.

• Redux provides a single source of truth for the application state.

• Redux supports time-travel debugging and middleware for advanced functionality.

• Redux has a large and active community with extensive documentation and ecosystem.

• Context API is sim...read more

Arrow functions provide a concise syntax and lexical scoping, making code more readable and reducing the need for 'this' binding.

• Arrow functions have a shorter syntax compared to regular functions.

• They do not bind their own 'this', 'arguments', 'super', or 'new.target'.

• Arrow functions have lexical scoping, meaning they inherit the 'this' value from the enclosing context.

• They are useful for callbacks and event handlers,...read more

An abstract class is a class that cannot be instantiated and is meant to be subclassed.

• An abstract class serves as a blueprint for other classes.

• It can have both abstract and non-abstract methods.

• Abstract methods are declared without an implementation and must be implemented by the subclasses.

• An abstract class can have instance variables, constructors, and static methods.

• It provides a common interface for all the subcl

Middleware components in C# are software components that sit between an application and the operating system, providing services and functionality.

• Middleware components act as a bridge between the application and the operating system.

• They provide services such as authentication, logging, caching, and routing.

• Middleware components can be added to the application's request pipeline to handle specific tasks.

• Examples of mi...read more

MVC filter is a feature in MVC framework that allows you to apply cross-cutting concerns to actions and controllers.

• MVC filter is used to implement cross-cutting concerns like logging, authentication, authorization, etc.

• It can be implemented by creating a custom filter class that inherits from the FilterAttribute class.

• The custom filter class can override the OnActionExecuting, OnActionExecuted, OnResultExecuting, and ...read more

Web API is a set of rules and protocols that allows different software applications to communicate and interact with each other over the internet.

• Web API stands for Application Programming Interface

• It enables communication between different software systems

• Web API uses HTTP protocols for communication

• It allows developers to access and manipulate data from remote servers

• Examples of Web APIs include Google Maps API, Twit

Components in Angular communicate through input and output properties, event emitters, and services.

• Components can communicate with each other using input and output properties.

• Input properties allow data to flow from a parent component to a child component.

• Output properties use event emitters to send data from a child component to a parent component.

• Components can also communicate through services, which act as a shar...read more

HTTP codes are standardized status codes used to indicate the outcome of an HTTP request.

• HTTP codes are 3-digit numbers that are returned by a server in response to a client's request.

• The first digit of the code indicates the general status of the response (e.g. 2xx for success, 4xx for client errors, 5xx for server errors).

• Common HTTP codes include 200 (OK), 404 (Not Found), and 500 (Internal Server Error).