ViaPlus by VINCI Highways Software Engineer Interview Questions, Process, and Tips

Q1. Related to .net core, angular and SQL
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Q2. What is the difference between authentication and authorization?
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Normal basic questions

Question will be different for everyone. 1st Question (easy-medium) (Arrays/Strings) , 2nd Question(medium-hard)(Trees/Graphs)

Q1. Related to projects, OOPS, Java
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Q1. OS,CN,DATA STRUCTURES , Tech stack mentioned in project
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Q1. Introduction , Family Background, Strengths and Weakness
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Q1. Difference between ref and out
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ref is used for passing a variable by reference, while out is used for passing a variable by reference and also requires the variable to be initialized before passing.
• ref keyword is used to pass a variable by reference, allowing the called method to modify the value of the variable.

• out keyword is similar to ref, but it requires the variable to be initialized before passing to the method.

• Example: int x = 10; Method(ref ...read more
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Q2. What are oops components in c#
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OOPs components in C# are the building blocks of object-oriented programming, including classes, objects, inheritance, polymorphism, and encapsulation.
• Classes: Blueprint for creating objects with properties and methods.

• Objects: Instances of classes that hold data and behavior.

• Inheritance: Ability to create new classes based on existing ones, inheriting their properties and methods.

• Polymorphism: Ability to use a single ...read more
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Q1. What is mvc ?
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MVC stands for Model-View-Controller, a software design pattern for organizing code in a way that separates concerns.
• Model represents the data and business logic of the application.

• View is responsible for displaying the data to the user.

• Controller acts as an intermediary between Model and View, handling user input and updating the Model accordingly.

• Example: In a web application, the Model could be a database, the View ...read more
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Q2. How many types of joins in sql server
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There are four types of joins in SQL Server: INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.
• INNER JOIN: Returns rows when there is at least one match in both tables.

• LEFT JOIN: Returns all rows from the left table and the matched rows from the right table.

• RIGHT JOIN: Returns all rows from the right table and the matched rows from the left table.

• FULL JOIN: Returns rows when there is a match in one of the tables.
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Test based on aptitude

2 medium level questions and some mcqs

Q1. Some basic hr questions
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