VLink Senior Software Engineer Interview Questions and Answers

Q1. What is sql server agent why can't we create objects of abstract class write extension method for abstract class SQL: SP vs Function, which one is faster, why? can I call SP from Function Microservice orch...read more
Ans. 
SQL Server Agent is a job scheduling tool in SQL Server. Abstract classes cannot be instantiated. SPs are faster than functions. Microservice concepts. IEnumerable vs IQueryable.
• SQL Server Agent is a job scheduling tool in SQL Server for automating tasks like backups, database maintenance, etc.

• Abstract classes cannot be instantiated because they are incomplete and meant to be extended by subclasses.

• Extension methods ca...read more
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Q1. What is record in c# write generic method to perform summation of 2 numeric type variable (int, double, float..) write test cases for Sum method which design pattern you used
Ans. 
A record in C# is a data structure that stores a fixed number of fields of different data types.
• A record in C# is similar to a struct in C++, containing fields to store data.

• Example: 'public record Person { public string Name; public int Age; }'

• Generic method for summation: 'public T Sum(T a, T b) where T : struct, IConvertible { return Convert.ToDouble(a) + Convert.ToDouble(b); }'

• Test cases can include checking the su...read more
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Q2. This was the worst interview I have ever given. Interview got rescheduled 3 times. The panelist behaved so rudely, Why people wouldn't even care to show his face, it's literally very frustrating.
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Hackearth test and contain rest api questions and coding questions

Q1. Define oops concepts in brief.
Ans. 
Object-oriented programming concepts like inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementation details and showing only the ne
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Q2. Constructor based logical questions
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Q1. Mostly on OOP's basic and some tricky questions related SOLID concepts
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Q1. Testing questions Automation engineer question Load testing Performance testing Security testing
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Q1. Advanced testing questions
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Q1. .net core middleware
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Q1. Manament discusion about your last project and responsibility
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Q1. Salary discusion and designation and preferred loaction
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Total 35 questions, with 5 sections and time duration 35 minutes.

Q1. What all the methods we have in API?
Ans. 
The question is too broad to provide a specific answer.
• APIs can have various methods such as GET, POST, PUT, DELETE, etc.

• The methods in an API depend on the specific API being referred to.

• Examples of API methods include 'getUser', 'createOrder', 'updateProfile', etc.
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Q1. What problems you have faced during testing?
Ans. 
I have faced issues with compatibility, performance, and user acceptance testing.
• Compatibility issues with different browsers and operating systems

• Performance issues with large datasets and high traffic

• User acceptance testing revealed unexpected user behavior
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Q1. About work experience
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