Lrs Services Desktop Support Engineer Interview Questions and Answers for Experienced

If you are a fresher , then this is for you else almost no coding test for experienced candidates.

Q1. Javascript basics, Angular react general questions depends upon profile.
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Q1. They asked general questions related to some hectic situation faced in previous company / project..
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Asked basic questions on aptitude and reasoning

It cosist of some aptitude questions

They totally select you on the basis of aptitude only

Q1. It is also based on aptitude
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Basic aptitude test and was unproctored

Q1. It was a online technical round
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MCQ questions on OS, JS and HTML

Basic Questions from resume. String/Array DSA questions

Q1. What is singleton design pattern
Ans. 
Singleton design pattern restricts the instantiation of a class to a single instance and provides global access to it.
• Used when only one instance of a class is required throughout the application

• Provides a global point of access to the instance

• Implemented using a private constructor, static method, and static variable

• Example: Logger class, Database connection class
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Q2. C# LINQ queries for group and sum data from data table
Ans. 
C# LINQ queries for group and sum data from data table
• Use GroupBy() method to group data based on a specific column

• Use Sum() method to calculate the sum of a column

• Use Select() method to select the required columns
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Q3. Solid design principles
Ans. 
Solid design principles are a set of guidelines for writing maintainable and scalable code.
• Single Responsibility Principle (SRP) - each class should have only one responsibility

• Open/Closed Principle (OCP) - classes should be open for extension but closed for modification

• Liskov Substitution Principle (LSP) - subclasses should be able to replace their parent classes without affecting the program's correctness

• Interface Se...read more
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Q4. OOPS concepts ,like association and all
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Q1. Mostly scenario based on what you have worked on and basic questions on theorical knowledge.Interview was 1 hour long.
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Q2. ETL,Tool, Technology, Infrastructures,coding skill,SQL skills
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Q1. Normal basic questions asked in HR round
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