Elektrobit India Graduate Engineer Interview Questions and Answers

Q1. Explain method overloading and overriding
Ans. 
Method overloading is having multiple methods in the same class with the same name but different parameters. Method overriding is redefining a method in a subclass with the same signature as in the superclass.
• Method overloading allows multiple methods with the same name but different parameters in the same class.

• Method overriding involves redefining a method in a subclass with the same signature as in the superclass.

• Ex...read more
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Q2. Basic sql query to find the maximum salary of an employee from a table
Ans. 
Use SQL query with MAX() function to find the maximum salary of an employee from a table.
• Use SELECT MAX(salary) FROM employees;

• Make sure to replace 'employees' with the actual table name where employee salaries are stored.
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Aptitude + Communication Assessment (Online MCQ)

Q1. What is the Difference between C & C++?
Ans. 
C is a procedural programming language while C++ is a multi-paradigm programming language with object-oriented features.
• C is a procedural programming language while C++ supports both procedural and object-oriented programming.

• C does not have classes and objects like C++.

• C++ has features like inheritance, polymorphism, and encapsulation which are not present in C.

• C++ allows function overloading and operator overloading ...read more
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Q2. Questions on OOP's Concepts.
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Q3. Explain Your Major Project.
Ans. 
Designed and implemented a smart irrigation system using IoT technology.
• Researched different sensors to monitor soil moisture levels

• Developed a mobile app to remotely control the irrigation system

• Integrated weather forecasting data to optimize watering schedules
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Q4. Can you explain process you follow to deploy your project?
Ans. 
I follow a systematic process involving testing, staging, and production deployment.
• 1. Develop and test the project locally to ensure functionality.

• 2. Push the code to a staging environment for further testing.

• 3. Once approved, deploy the project to production environment.

• 4. Monitor the deployment for any issues and troubleshoot if necessary.
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Q5. Mostly asked Coding questions like Prime number, Palindrome, Reverse array/string etc.
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Q1. Tell me about yourself?
Ans. 
I am a recent graduate with a degree in engineering, passionate about problem-solving and eager to apply my skills in a professional setting.
• Graduated with a degree in engineering

• Passionate about problem-solving

• Eager to apply skills in a professional setting
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Q2. What challenges have you encountered in your projects, and how did you overcome them?
Ans. 
I have encountered challenges such as tight deadlines, communication issues, and technical difficulties in my projects.
• Tight deadlines required effective time management and prioritization of tasks.

• Communication issues were resolved through regular meetings and clear documentation.

• Technical difficulties were overcome by seeking help from colleagues or conducting research.
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Q3. Are you ready to work in different shifts?
Ans. 
Yes, I am ready to work in different shifts as required for the job.
• I am flexible and adaptable to different work schedules.

• I understand the importance of teamwork and meeting project deadlines.

• I am willing to work evenings, nights, weekends, and holidays if needed.

• I have previous experience working in shifts during internships or part-time jobs.
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Q4. Are you ready to relocate at different locations?
Ans. 
Yes, I am open to relocating for new opportunities and experiences.
• I am willing to relocate for career growth and new challenges.

• I understand that relocating may be necessary for certain job opportunities.

• I am flexible and adaptable to new environments and locations.
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Q5. How adaptable you are?
Ans. 
I am highly adaptable, able to quickly learn new skills and adjust to new environments.
• I have successfully transitioned between different engineering roles, such as moving from mechanical engineering to software engineering.

• I am comfortable working in fast-paced and ever-changing environments.

• I have a track record of quickly adapting to new technologies and tools, such as learning a new programming language for a proje...read more
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Q1. Recovery models of sql server
Ans. 
SQL Server has three recovery models: Simple, Full, and Bulk-Logged.
• Simple recovery model: minimally logged, no log backups, only full backups

• Full recovery model: fully logged, allows for point-in-time recovery, requires log backups

• Bulk-Logged recovery model: minimally logged for bulk operations, requires log backups for point-in-time recovery
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Q2. DMVs in sql server
Ans. 
DMVs in SQL Server are dynamic management views that provide information about the current state of the SQL Server instance.
• DMVs can be used to monitor performance, troubleshoot issues, and gather information about the server.

• Examples of DMVs include sys.dm_exec_requests, sys.dm_os_wait_stats, and sys.dm_db_index_physical_stats.
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Q1. How do you tackle difficult scenarios in project
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I tackle difficult scenarios in projects by breaking them down, seeking input from team members, and staying organized.
• Break down the problem into smaller, manageable tasks

• Seek input and feedback from team members to gain different perspectives

• Stay organized by creating a timeline and setting priorities

• Communicate openly with stakeholders to address any challenges or roadblocks

• Stay calm and focused under pressure to ma
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Q1. CTC discussion went on
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Easy and moderate level

Q1. Basics and project
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Q1. How to communicate between microservices
Ans. 
Communication between microservices is typically done through APIs, messaging queues, or service meshes.
• Use RESTful APIs for synchronous communication between microservices

• Implement messaging queues like RabbitMQ or Kafka for asynchronous communication

• Utilize service meshes like Istio for managing communication between microservices
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Q2. 2. Java 8 grouping by coding
Ans. 
Grouping in Java 8 allows elements to be grouped based on a common attribute or condition.
• Use the Collectors.groupingBy() method to group elements in a stream based on a specified classifier function.

• The classifier function determines how elements are grouped.

• Grouping can be done on any type of object, such as strings, integers, or custom objects.

• For example, to group a list of Person objects by their age: Map<Integ...read more
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Q3. Asynchronous communication
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Q4. Spring security basics
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