Quest Software Software Developer Trainee Interview Questions and Answers for Freshers

Q1. Whats is Denpendency injection?
Ans. 
Dependency injection is a design pattern in which components are given their dependencies rather than creating them internally.
• Allows for easier testing by injecting mock dependencies

• Promotes loose coupling between components

• Improves code reusability and maintainability

• Examples: Constructor injection, Setter injection, Interface injection
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Q2. What is middleware
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Middleware is software that acts as a bridge between different applications, allowing them to communicate and share data.
• Middleware facilitates communication between different software applications

• It can handle tasks such as message queuing, data transformation, and security

• Examples of middleware include message brokers like RabbitMQ, ESBs like MuleSoft, and API gateways like Kong
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Q1. What is React ,Why it is used in modern days apps
Ans. 
React is a JavaScript library for building user interfaces, known for its efficiency and flexibility.
• React allows for the creation of reusable UI components, making development faster and more efficient.

• It uses a virtual DOM to improve performance by only updating the necessary parts of the UI.

• React is popular for single-page applications and dynamic web interfaces.

• It is widely used in modern web development due to its...read more
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Q2. What is props,Virtual Dom
Ans. 
Props are used to pass data from parent to child components in React. Virtual DOM is a lightweight copy of the actual DOM for efficient updates.
• Props are read-only and cannot be modified by the child component

• Virtual DOM is a concept in React where changes are first made to a lightweight copy of the actual DOM before being applied to the real DOM

• Virtual DOM helps in improving performance by minimizing the number of upd
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Q1. Brief me about yourself
Ans. 
I am a dedicated Software Test Engineer with 5 years of experience in manual and automated testing.
• 5 years of experience in software testing

• Proficient in manual and automated testing

• Strong knowledge of testing methodologies and tools

• Experience in creating test plans and test cases

• Good communication and problem-solving skills
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Q2. What is your skills
Ans. 
I have strong skills in manual and automated testing, test planning, test case design, defect tracking, and regression testing.
• Proficient in manual testing techniques and methodologies

• Experience in creating test plans and test cases

• Skilled in using automated testing tools like Selenium

• Ability to track and manage defects effectively

• Experience in regression testing to ensure software quality

• Familiarity with Agile and Scr
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First round was Aptitude test which contained questions from every major subject from CS/IT i.e., DBMS, OS, Computer Networks. It also had Maths aptitude and Verbal, and 2 coding questions.

Q1. Polymorphism and its types
Ans. 
Polymorphism is the ability of an object to take on many forms.
• Polymorphism allows objects of different classes to be treated as if they are of the same class.

• There are two types of polymorphism: compile-time (method overloading) and runtime (method overriding).

• Compile-time polymorphism is achieved through method overloading, where multiple methods have the same name but different parameters.

• Runtime polymorphism is ach...read more
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Q2. SQL Joins query
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Q1. I didn't get selected for this round but my friends told me that they just asked if you are comfortable with salary, bond and relocation. Also the lady HR asked them to define the room, tell her something ...read more
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Arithmetic, coding decoding, reasoning, time speed distance and others

Q1. Mostly about engineering subject wise, sudo codes
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Q1. Tell me about yourself, strength and weakness
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1 hr test with mcq and coding snippet

Q1. What are pointers in c?
Ans. 
Pointers are variables that store memory addresses of other variables in C programming language.
• Pointers are used to manipulate data structures like arrays, linked lists, and trees.

• They can be used to pass values by reference to functions.

• Pointers can also be used to allocate memory dynamically using functions like malloc() and calloc().
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Q2. Write a linked list program.
Ans. 
A linked list program is a data structure that stores a sequence of elements with pointers to the next element.
• Create a Node class with a value and a next pointer

• Create a LinkedList class with a head pointer and methods to add, remove, and traverse nodes

• Example: LinkedList ll = new LinkedList(); ll.add(5); ll.add(10); ll.remove(5);
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Q3. Applications of data structures
Ans. 
Data structures are used to organize and manipulate data efficiently in various applications.
• Data structures are used in databases to store and retrieve data quickly.

• In computer graphics, data structures are used to represent geometric objects.

• Data structures are used in algorithms such as sorting and searching.

• In networking, data structures are used to represent network packets and routing tables.

• Data structures are u...read more
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Q4. Algorithm for merge sort
Ans. 
Merge sort is a divide and conquer algorithm that recursively divides the input array into two halves, sorts them and then merges them.
• Divide the array into two halves

• Recursively sort the two halves

• Merge the sorted halves

• Repeat until the entire array is sorted
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Q5. Cloud computing application in real world in project
Ans. 
Cloud computing is widely used in various industries for data storage, processing, and analysis.
• Cloud computing allows for easy scalability and cost-effectiveness in managing large amounts of data.

• Real-time collaboration and access to data from anywhere are some of the benefits of cloud computing.

• Examples of cloud computing applications in real-world projects include Amazon Web Services (AWS), Microsoft Azure, and Goog...read more
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Q6. Java and nodejs questions
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Was medium level math questions

Medium level coding problem and a hard one as well

Q1. Asked about computer basics like OOPS concepts, etc. As well as self introduction
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Q1. Self introduction was asked
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Q2. Your favourite hobbies.
Ans. 
My favorite hobbies include playing guitar, hiking, and reading.
• Playing guitar: I enjoy playing different genres of music and learning new techniques.

• Hiking: I love exploring nature and challenging myself physically.

• Reading: I find joy in diving into different worlds and gaining knowledge through books.
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Test in on aptitude, reasoning, English and one Easy Writing, they give 5 topic we have to write one of them.

Q1. 1.Explan your project with SDLC
Ans. 
SDLC is a process used to develop software from planning to deployment.
• SDLC stands for Software Development Life Cycle

• It includes phases like planning, analysis, design, implementation, testing, and maintenance

• Each phase has its own set of activities and deliverables

• For example, in the planning phase, the project scope and requirements are defined

• In the design phase, the software architecture and user interface are cre...read more
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Q2. 2.What is OOP explain
Ans. 
OOP stands for Object-Oriented Programming. It is a programming paradigm that focuses on objects and their interactions.
• OOP is based on the concept of classes and objects

• It emphasizes encapsulation, inheritance, and polymorphism

• Encapsulation means hiding the implementation details of an object from the outside world

• Inheritance allows a class to inherit properties and methods from another class

• Polymorphism allows object...read more
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Q1. Tell me something about yourself
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Q2. What news your have heard in recent 8 hour?
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