EPAM Systems Software Engineer2 Interview Questions and Answers

Q1. Basic questions like linked list, structures, pointers and C fundamentals
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Q2. Design questions like different framework models for effective communcation between control plane and data plame
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Q1. Projects worked in previous org
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Q2. Memory concepts in C and IPC
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Memory concepts in C and IPC involve understanding memory management in C programming and inter-process communication techniques.
• Memory management in C involves concepts like stack, heap, and static memory allocation.

• IPC techniques include shared memory, message queues, and semaphores for communication between processes.

• Understanding pointers and memory allocation is crucial for efficient memory management in C program...read more
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It is 45 min online test

Q1. Technical persion asked basic to advance c++
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Q1. He ask family, firend, interset and real life scnario realated questions.
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Q1. Explain over all experience
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Q2. Asked question on Core and advance java topic
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Q1. Some advance topic of Java
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Q2. DSA
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Q1. Salary expectation
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Q2. Relocation
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It was an aptitute round and 2 coding questions was there

Q1. Tell me about yourself
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Q2. We had discussion on projects than mentioned in my resume
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Q3. Then he moved to DSA question in which he told to how you will insert node in doubly linked list ,I answered all correctly he appreciated me also but after 5 min one person came and told you can go . I was...read more
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Q1. All the questions were from SQL server.
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Q2. How to get 3rd highest salary ?
Ans. 
To get the 3rd highest salary, you can use a SQL query with the 'LIMIT' and 'OFFSET' keywords.
• Use a SQL query to select distinct salaries in descending order.

• Use the 'LIMIT' keyword to limit the results to 3.

• Use the 'OFFSET' keyword to skip the first 2 highest salaries.

• Example: SELECT DISTINCT salary FROM employees ORDER BY salary DESC LIMIT 1 OFFSET 2;
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Q3. Inner join result of 2 table. Table one [1,1,1,1] table two [1,1,1,1,1,1]
Ans. 
The inner join of two tables with duplicate values results in a combined set of common values.
• Inner join combines rows from both tables where the key columns match

• In this case, the result would be [1,1,1,1,1,1] as all values are common in both tables
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Q4. SSIS Package creation.
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Q5. Latest project explanation
Ans. 
Developed a web application for tracking and managing project tasks
• Used React.js for front-end development

• Implemented RESTful APIs using Node.js and Express

• Utilized MongoDB for database management

• Incorporated authentication and authorization features for user security
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Q1. What is difference between SQL and NoSQL
Ans. 
SQL is a relational database management system, while NoSQL is a non-relational database management system.
• SQL databases are table-based, NoSQL databases are document, key-value, graph, or wide-column stores

• SQL databases use structured query language for defining and manipulating data, NoSQL databases use different query languages

• SQL databases are vertically scalable, NoSQL databases are horizontally scalable

• SQL databa...read more
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Q2. Why is NoSQL better then SQL
Ans. 
NoSQL is better for handling unstructured data, providing scalability and flexibility.
• NoSQL databases are better suited for handling unstructured data like social media posts, user-generated content, and IoT data.

• NoSQL databases provide better scalability as they can easily distribute data across multiple servers, allowing for horizontal scaling.

• NoSQL databases offer more flexibility in terms of data model, allowing fo...read more
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Q3. Explain the data pipeline you have worked on.
Ans. 
Designed and implemented a real-time data pipeline for processing and analyzing user behavior data.
• Used Apache Kafka for real-time data streaming

• Utilized Apache Spark for data processing and analysis

• Implemented data transformations and aggregations using Scala

• Stored processed data in a data warehouse like Amazon Redshift

• Built monitoring and alerting systems to ensure data pipeline reliability
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Q4. Managing team
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Q5. What will you do if you have conflict with your manager.
Ans. 
I would address the conflict directly and professionally, seeking to understand the root cause and find a mutually beneficial solution.
• Schedule a private meeting with the manager to discuss the conflict

• Listen actively to the manager's perspective and express your own calmly

• Seek to find common ground and propose potential solutions

• If necessary, involve HR or a mediator to help resolve the conflict
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Q6. What do you love to do when you are free
Ans. 
I love to spend my free time hiking, reading, and trying out new recipes in the kitchen.
• Hiking in the mountains or local trails

• Reading fiction and non-fiction books

• Experimenting with new recipes and cooking techniques
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Q1. Salary expectations
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Q2. Family background
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