Bajaj Finserv Software Development Engineer Intern Interview Questions and Answers

On hacker rank duration was 90 min and 3 que to attempt and pass all the test cases

Q1. About basic fundamentals about cn and oops and funfamental que and at the end a 5 min hr session by the interviewer itself
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Q2. What is adressing mode and its types
Ans. 
Addressing mode is a technique used in computer architecture to specify how to calculate the effective address of an operand.
• Addressing mode determines how the CPU accesses data from memory

• Types of addressing modes include direct, indirect, indexed, and register

• Examples: direct addressing mode - MOV A, 1000H, indirect addressing mode - MOV A, [BX], indexed addressing mode - MOV A, [BX+SI], register addressing mode - MO
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Q3. What is tcp osi difference
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TCP is a transport layer protocol while OSI is a reference model for network communication.
• TCP is a protocol responsible for establishing and maintaining a connection between two devices.

• OSI is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven abstraction layers.

• TCP operates at the transport layer (Layer 4) of the OSI model.

• OSI model includes layers like physic...read more
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Q4. Reverse linkedlist in 3 steps
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Iterate through the linked list and reverse the pointers in 3 steps
• Iterate through the linked list and keep track of the previous, current, and next nodes

• Update the pointers to reverse the direction of the nodes

• Repeat the process until the end of the linked list is reached
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Medium leetcode question on array list

Q1. Core java and collections, exceptions and threading
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Q2. Core java collections
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Q3. Multi threading
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Q4. Executor framework
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Q1. Threading related questions
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There were three coding questions.

Q1. Could you provide a thorough explanation of the project?
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Q2. OOps Concepts and question from the technical subjects
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Q3. Why Spring Boot
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Q4. JWT Authentication
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Q5. Docker and Kubernetes
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They posed questions assessing logical and analytical aptitude.

After completing and passing the aptitude round, I was allowed to take the coding round exam, where the questions ranged from easy to medium level.

Q1. Basic concepts of oops in java. DBMS questions.
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Q2. Questions related to my projects not in dept.
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Q3. They asked me to implement a stack using queues.
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Test was for Web Development - React
75min test
3 Questions
1 Coding Question
2 Scenario based questions

Q1. React Optimization techniques
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Q2. React Advantages
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Q1. How to debug in production environment?
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Q1. Challenges faced during work and how you overcome?
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Q1. Why you choose Wells fargo over other offers?
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Q1. Solid principles
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Q2. OOPS concepts in c++
Ans. 
OOPS concepts in C++ include encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: bundling data and methods that operate on the data into a single unit (class)

• Inheritance: creating new classes based on existing classes, allowing for code reuse

• Polymorphism: ability for objects of different classes to be treated as objects of a common superclass

• Abstraction: hiding complex implementation details and sh
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Q3. Multi threading and its implementation
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Multi threading is a programming concept where multiple threads run concurrently within a single process.
• Multi threading allows for better utilization of CPU resources by running multiple tasks simultaneously.

• Threads share the same memory space, which can lead to synchronization issues if not handled properly.

• Examples of multi threading implementations include Java's Thread class, C#'s Task Parallel Library, and Python
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Q4. Diamond problem in c++
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Diamond problem occurs in multiple inheritance when a class inherits from two classes that have a common base class.
• Diamond problem can be resolved using virtual inheritance in C++.

• Virtual inheritance ensures that only one instance of the common base class is inherited by the derived class.

• Example: class A is inherited by classes B and C, then class D inherits from both B and C. Using virtual inheritance for class A re
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Q5. Types of inheritance and examples
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Types of inheritance include single, multiple, multilevel, hierarchical, hybrid, and multipath inheritance.
• Single inheritance: a class inherits from only one base class.

• Multiple inheritance: a class inherits from more than one base class.

• Multilevel inheritance: a class inherits from a class which in turn inherits from another class.

• Hierarchical inheritance: multiple classes inherit from a single base class.

• Hybrid inher...read more
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Q6. Runtime and compile time polymorphism
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Q1. They grind u in javascript,typescript
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Q2. Html css, angular
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Q3. Deep preparation needed
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