Agicent Technologies Software Engineer Interview Questions, Process, and Tips

Q1. Resume related questions
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Q1. Technology related
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Q1. Discuss everything
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Q1. Logical question
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Q2. Basic opps and collection
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Google meet in react they asked basics and node also must clear js

Q1. Reconcillation in react?
Ans. 
Reconciliation in React is the process of updating the virtual DOM to match the actual DOM.
• Reconciliation is the process of comparing the virtual DOM with the actual DOM and making necessary updates.

• React uses a diffing algorithm to efficiently update the DOM without re-rendering everything.

• Key prop is important for React to identify which items have changed, added, or removed during reconciliation.
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Q1. How you see yourself in next 5 years?
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Q1. What is promise?
Ans. 
A promise is an object representing the eventual completion or failure of an asynchronous operation.
• Promises are used in JavaScript to handle asynchronous operations.

• They can be in one of three states: pending, fulfilled, or rejected.

• Promises can be chained together using .then() method.

• Example: Fetching data from an API returns a promise that resolves with the data.

• Example: Promises help avoid callback hell by providi...read more
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Q2. What is scope and how it differentiate?
Ans. 
Scope refers to the visibility and accessibility of variables in a program.
• Scope determines where in a program a variable can be accessed.

• Global scope refers to variables that can be accessed anywhere in the program.

• Local scope refers to variables that are only accessible within a specific block of code.

• Variables declared within a function have local scope.

• Scope can help prevent naming conflicts and improve code organi
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Q1. Spark architecture.
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Q2. Narrow and wide transformations
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Q1. Diff b/w CTE and SubQuery
Ans. 
CTE is a temporary result set that can be referenced within a query, while a subquery is a query nested within another query.
• CTE stands for Common Table Expression and is defined using the WITH keyword.

• CTEs can be referenced multiple times within a query.

• Subqueries are enclosed in parentheses and can only be referenced once in a query.

• Subqueries can be correlated or non-correlated.

• CTEs are generally used for readabilit...read more
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Q2. What is middleware in mvc core
Ans. 
Middleware in MVC Core is software components that are used to handle requests and responses in the application pipeline.
• Middleware components are added to the application pipeline in the Startup class using the UseMiddleware method.

• Each middleware component in the pipeline can inspect, modify, or short-circuit the request pipeline.

• Middleware components can perform tasks such as authentication, logging, error handling,...read more
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