Delhi Public School Ghaziabad Society System Engineer Interview Questions and Answers

Easy...all basic questions

Coding about array ,string concepts

Qsprider is one of the best platform software testing

Q1. SDLC ,STLC , regression testing,oops concepts
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Q2. Technical interview manual testing,java ,sql , selenium
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Q1. Tell me about your self, project explain
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Any possible of assignment

Evening times of assignment

5:30pm of times of assignment

Any time of assignment

Q1. What is oops , explain its concepts
Ans. 
OOPs stands for Object-Oriented Programming. It is a programming paradigm based on the concept of objects.
• OOPs concepts include encapsulation, inheritance, polymorphism, and abstraction.

• Encapsulation refers to the bundling of data with the methods that operate on that data.

• Inheritance allows a class to inherit properties and behavior from another class.

• Polymorphism allows objects to be treated as instances of their par...read more
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Q2. What do you know about collections in java explain it
Ans. 
Collections in Java are classes that represent groups of objects, providing operations for manipulation and iteration.
• Collections framework in Java provides interfaces (e.g. List, Set, Map) and classes (e.g. ArrayList, HashSet, HashMap) for storing and manipulating groups of objects.

• Collections offer methods for adding, removing, and accessing elements in a collection.

• Collections also provide methods for sorting, searc...read more
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Q1. Tell me about yourself
Ans. 
I am a passionate software engineer with experience in developing web applications using various technologies.
• Experienced in developing web applications using HTML, CSS, JavaScript, and frameworks like React and Angular

• Proficient in backend development with Node.js and databases like MongoDB and MySQL

• Familiar with version control systems like Git and deployment tools like Docker
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Q2. Situation based behaviourial questions
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A topic on software tsting was given to us and we are ealiy done so far

Good experience there was the

Q1. Why qspiders and tell somthing special about us
Ans. 
QSpiders is a leading software training institute known for its quality education and placement assistance.
• QSpiders is known for its experienced faculty who provide hands-on training in software development.

• The institute has a strong track record of placing students in top IT companies.

• QSpiders offers a wide range of courses in software development, testing, and other related fields.

• The institute has state-of-the-art f...read more
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Q2. About our company and what is the basic role do un want in the company
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Quant,reasoning and verbal

Data structure and algo

Write a pivot dinamic column from rows in SQL server.

Q1. Clustered and non clustered indexing in SQL server
Ans. 
Clustered indexing physically reorders the data in the table, while non-clustered indexing creates a separate structure.
• Clustered indexing determines the physical order of data rows in a table based on the indexed column.

• Non-clustered indexing creates a separate structure that contains the indexed column's values and pointers to the actual data rows.

• Clustered indexes are faster for retrieval but slower for inserts and ...read more
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Q2. Nested loops in SQL server
Ans. 
Nested loops in SQL server are used to iterate through multiple levels of data.
• Nested loops are used when you need to iterate through a set of data within another set of data.

• They can be implemented using nested SELECT statements or JOIN clauses.

• Example: SELECT * FROM table1 t1 INNER JOIN table2 t2 ON t1.id = t2.id WHERE t1.column = 'value'
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Repository pattern in asp.net core API