Damco Solutions DOT NET Developer Interview Questions and Answers

Q1. Quite good and challeging questions asked
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Q1. Manager round, quite good.all the coding part was there
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Q1. Solid Principle, Design Patterns,
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Q2. React sharing data btw siblings without any state management.
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Q3. NodeJs is single threaded then why it feels concurrent?
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Q1. Questions related micro services
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Q2. Message queue related questions
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Q3. NodeJs related questions: Event loop
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Q1. Tell us about your experience.
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Q2. In english, give me a feedback you received lately.
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Q1. Brief explanation of SOLID principles
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Q2. Ref vs out arguments
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Q1. Triggers in sql
Ans. 
Triggers in SQL are special stored procedures that are automatically executed when certain events occur in a database.
• Triggers can be used to enforce business rules, maintain referential integrity, and audit changes to data.

• There are two main types of triggers: DML triggers (executed in response to data manipulation language events) and DDL triggers (executed in response to data definition language events).

• Examples of ...read more
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Q2. Char vs varchar
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char is fixed length, varchar is variable length
• char stores fixed length strings, while varchar stores variable length strings

• char pads with spaces to reach fixed length, varchar does not pad

• char is faster for fixed length data, varchar is more flexible for variable length data
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Q3. Localisation in angular
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Localization in Angular involves translating the application into different languages and adapting to different regions.
• Use Angular's built-in i18n tools to mark translatable text in templates

• Create separate language files for each supported language

• Use ngx-translate or similar libraries for dynamic language switching
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Q4. Design patterns in .dotnet core
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Design patterns in .NET Core are reusable solutions to common problems in software design.
• Some common design patterns in .NET Core include Singleton, Factory, Observer, and Strategy.

• Design patterns help in creating maintainable, scalable, and efficient code.

• They promote code reusability and separation of concerns.

• Examples: Singleton pattern ensures a class has only one instance, Factory pattern creates objects without ...read more
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Aptitude,reasoning,verbal,C language,Java,C++

Q1. What is interface in JAVA
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Q2. Explain OOPS in JAVA
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Q1. Project based backend and frontend
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Q2. How to connect to backend
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To connect to the backend, you can use APIs, database connections, or web services.
• Use APIs to send and receive data between the frontend and backend

• Establish database connections to retrieve and store data

• Utilize web services for communication between different systems
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Level of aptitude is easy

In this selected role question is asked suppose I applied in .net then coding must in c#

Q1. How javascript works
Ans. 
JavaScript is a scripting language that allows for dynamic content on websites.
• JavaScript is a client-side scripting language used for adding interactivity to web pages.

• It can manipulate the HTML content, handle events, and create animations.

• JavaScript code is executed by the browser's JavaScript engine.

• It can be embedded directly into HTML pages or included in separate .js files.

• Commonly used frameworks/libraries incl
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