Cubictree Technology Solutions DOT NET Developer Interview Questions and Answers

Problems on dsa, SQL and development

Q1. What's Lock keyword
Ans. 
Lock keyword is used in C# to synchronize access to a shared resource by allowing only one thread to enter a critical section at a time.
• Used to prevent multiple threads from accessing a shared resource simultaneously

• Helps in avoiding race conditions and maintaining data integrity

• Can be used with Monitor class or lock statement
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Q2. What's Yield keywords
Ans. 
Yield keyword is used in C# to return a sequence of values one at a time.
• Yield keyword is used in iterator methods to return each element one by one.

• It allows the method to return multiple values without needing to store them all in memory.

• Yield return statement is used to return a value from the iterator method.
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Q1. Difference between inheritance and composition
Ans. 
Inheritance is an 'is-a' relationship where a class inherits properties and behaviors from another class. Composition is a 'has-a' relationship where a class contains an instance of another class.
• Inheritance involves creating a new class by using existing class's properties and behaviors.

• Composition involves creating a class that contains an instance of another class.

• Inheritance promotes code reusability and is used fo...read more
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Q1. Strecture of sql statement
Ans. 
SQL statements are used to interact with databases by performing operations like querying, updating, and deleting data.
• SQL statements are made up of keywords like SELECT, INSERT, UPDATE, DELETE, etc.

• They are structured in a specific order, with clauses like WHERE, ORDER BY, GROUP BY, etc.

• Tables are referenced using their names, and conditions are specified to filter data.

• Joins can be used to combine data from multiple
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Very basic apti test. focus on speed

Q1. Again should focus on logics and how good you can present your ideas
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Q2. OOPS concepts will also ask to write code
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Q3. OS concepts will also be there
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JavaScript, React Js

Q1. How many years of relevant experience
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Q2. What is your current CTC
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Q3. What is your Expectation
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Q1. What is your Strength
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Q2. What is weakness
Ans. 
One weakness I have is that I can be overly critical of my own work, which can sometimes lead to self-doubt.
• I tend to overthink things and can be indecisive at times

• I have a tendency to take on too many tasks at once, leading to feeling overwhelmed

• I struggle with public speaking and often get nervous in front of large groups
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Q3. What is your Goal
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Develop a UI screen with 10 fields on it.

Q1. Mongoose Framework, SQL - Store Procedures, Triggers, Views, Crystal Reports,
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Q1. Offer letter discussion. Joining date discussion.
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Q1. Advanced Coding Standards and Team handling
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Basic Aptitude question were asked around 20 Question of Aptitude and 20 of basic debugging of C language code. Before aptitude there was a essay writing on "factors which increases the market of E-commerce platforms"

There were 4 coding question and 2 SQL questions. Basic pattern printing question and easy question of leetcode were there in coding and in SQL from "joins" topic.

Same as the previous round more question of Coding and SQL, plus in the starting they would ask about your tech stack and then assign you a stack for the same.

Strong appitude knowledge is required.

Q1. String , arrays, oops
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