Essel Shyam Communication Interview Questions and Answers

Q1. Implement a custom stack that allows fetching the minimum element in constant time, O(1).
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Q2. How can one create an immutable class named Employee with fields for name and hobbies defined as List?
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Q3. What changes are required in the Employee class to use it as a key for a HashMap?
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Q4. What is the implementation of the singleton design pattern?
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Q5. Different ways to create a thread
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Q6. What are the SOLID principles in software design, and can you provide examples for each?
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Q1. What is the concept of Object-Oriented Programming (OOP) and can you provide an example?
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Q2. How do threads communicate with each other in Java?
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Q3. Write a program to reverse a linked list.
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Q4. What is the difference between string literals and the string pool?
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Q5. What is the program to print the 90-degree rotated view of a 2D array?
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Q1. Can you please introduce yourself?
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Q2. Why are you seeking a job change?
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Q1. Can you describe your past professional experience?
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Q2. What process did you follow while working on your last project?
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Q1. Introduction, Current project overview and your role and responsibilities
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Q2. Agile Ceremonies, Role of QA in Agile
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Agile ceremonies are key meetings in Agile methodology where QA plays a crucial role in ensuring quality throughout the development process.
• QA participates in Agile ceremonies such as Sprint Planning, Daily Stand-ups, Sprint Review, and Sprint Retrospective to provide input on quality aspects.

• QA helps in defining acceptance criteria for user stories during Sprint Planning to ensure that the team understands the quality...read more
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Q3. Story Estimation Techniques in Agile
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Story estimation techniques in Agile involve using relative sizing, planning poker, and t-shirt sizing.
• Relative sizing compares the size of one story to another to estimate effort.

• Planning poker involves team members individually estimating stories and then discussing differences.

• T-shirt sizing categorizes stories into small, medium, large, etc. based on complexity.

• Fibonacci sequence can be used for story points (1, 2,
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Q4. Updating scrum board and its process
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Updating the scrum board involves adding, moving, and removing tasks to reflect the current status of the project.
• Regularly update the scrum board with the progress of tasks

• Move tasks from 'To Do' to 'In Progress' to 'Done' columns as they are worked on and completed

• Remove tasks that are no longer relevant or have been completed

• Ensure the team is aware of any changes made to the scrum board
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Q5. Different type of SQL Joins
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SQL Joins are used to combine rows from two or more tables based on a related column between them.
• INNER JOIN: Returns rows when there is at least one match in both tables

• LEFT JOIN: Returns all rows from the left table and the matched rows from the right table

• RIGHT JOIN: Returns all rows from the right table and the matched rows from the left table

• FULL JOIN: Returns rows when there is a match in one of the tables
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Q6. Test Plan, test Report in detal
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Q7. Testing tools used
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I have experience using a variety of testing tools such as Selenium, Jira, and TestRail.
• Selenium

• Jira

• TestRail
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Q8. Years of experience in team leading and challenges faced
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Over 5 years of experience leading QA teams, faced challenges in communication, resource allocation, and stakeholder management.
• Managed a team of 10 QA engineers, ensuring timely delivery of high-quality testing.

• Challenges included resolving conflicts within the team, prioritizing tasks based on project deadlines, and effectively communicating with stakeholders.

• Implemented agile methodologies to improve team efficiency...read more
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Q9. Questions on Finance domain like derivatives, equity , Regulatory reports
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Q1. What are the key topics related to Generative AI, specifically focusing on Retrieval-Augmented Generation (RAG) and Large Language Models (LLM)?
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Q2. What is your understanding of the existing project and the technology stacks used?
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Q1. What has been your contribution to existing work and the technologies used in that context?
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Q2. ML, DL, Gen AI implementation and flow
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Q3. Python Coding logic and semantics
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Q1. What are the existing work challenges you face, and what solutions have you implemented to address them?
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Q2. What is your understanding of Generative AI and Natural Language Processing (NLP), and can you provide examples of their use cases?
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Q1. HTML, CSS fundamentals
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Q2. Javascript event loop and array methods
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Q3. Javascript coding for operation on object array
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Q4. React benefits and Redux implementations
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Q5. How to create slice and combine reducers
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Q1. Questions based on projects, role, responsibilities and initiative at work place
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Q2. How to create and optimize a react application
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Q1. Day to day activity of workplace and salary negotiation
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Difference between soft skills and hard skills

Q1. What is manual testing
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Q2. What is defect life cycleif
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Q1. What is the main thing should have for a test engineer
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Q2. What's your opinion on testing
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Q1. Are you ok with rotational shifts?
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Q2. Are you ok with the work location?
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Q1. What is polymorphism,generator,decorator? List vs tuple?
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Polymorphism allows objects of different classes to be treated as objects of a common superclass. Generators produce items one at a time. Decorators add functionality to existing functions or methods.
• Polymorphism: Enables objects of different classes to be treated as objects of a common superclass. Example: Animal superclass with Dog and Cat subclasses.

• Generator: Produces items one at a time, allowing for efficient mem...read more
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Q2. TFIDF, BOW What is embedding why important how to craete embeddings?
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Embeddings are a way to represent words or phrases as vectors in a high-dimensional space, capturing semantic relationships.
• Embeddings are important for tasks like natural language processing, where words need to be represented in a meaningful way.

• They can be created using techniques like Word2Vec, GloVe, or using neural networks like Word Embeddings.

• Embeddings help in capturing semantic relationships between words, al...read more
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Q3. What is Encoder decoder explain with example?
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Encoder-decoder is a neural network architecture used for tasks like machine translation.
• Encoder processes input data and generates a fixed-length representation

• Decoder uses the representation to generate output sequence

• Example: Seq2Seq model for translating English to French
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Q4. What is stop word? We need to remove in every application or not tell me example when stop words are importan?
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Data structure was more and it was difficult round

Q1. It will depend on interviewer
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Q1. It will be depending on Manager who is taking interview
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Q1. It will be very smooth
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Q1. How do you go about SDLC process
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I follow the Software Development Life Cycle (SDLC) process to ensure successful project delivery.
• I start with requirements gathering and analysis to understand the project scope and objectives.

• I then move on to design, where I create a detailed plan for how the system will be built.

• Next, I proceed to development, where the actual coding and implementation of the system takes place.

• After development, I conduct thorough...read more
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Q2. What are roles and responsibilities of a BA
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Q3. How do you deduce a complex problem statement
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By breaking down the problem into smaller components and analyzing each part individually
• Identify the key components of the problem statement

• Break down the problem into smaller, more manageable parts

• Analyze each part individually to understand its impact on the overall problem

• Consider different perspectives and potential solutions

• Collaborate with team members or stakeholders to gain additional insights
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Q1. Explain the difference between BRD and FRD
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BRD is a document that outlines business requirements, while FRD is a document that details functional requirements.
• BRD focuses on what the business needs, while FRD focuses on how those needs will be met.

• BRD is high-level and non-technical, while FRD is detailed and technical.

• BRD is created before FRD in the project lifecycle.

• Example: BRD may state the need for a customer relationship management system, while FRD will...read more
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Q2. How do you go about creating user stories, how do you allocate the points
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User stories are created by collaborating with stakeholders and allocating points based on complexity and effort required.
• Collaborate with stakeholders to gather requirements and understand user needs

• Break down features into smaller, manageable user stories

• Prioritize user stories based on business value and dependencies

• Allocate points based on complexity, effort, and risk involved

• Use techniques like Planning Poker to a
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Q3. What is the SOP while creating a requirement gathering doc
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The SOP for creating a requirement gathering doc involves planning, interviewing stakeholders, documenting requirements, and obtaining approval.
• Plan the requirement gathering process by identifying stakeholders and their needs

• Conduct interviews with stakeholders to gather detailed requirements

• Document the requirements in a clear and organized manner

• Obtain approval from stakeholders to ensure alignment with business goa
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Q1. How proficient are you with using tools such as Jira, Cofluence, SQL
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I am highly proficient in using Jira, Confluence, and SQL for various business analysis tasks.
• I have extensive experience using Jira for project management, issue tracking, and agile development.

• I am skilled in using Confluence for documentation, collaboration, and knowledge sharing within teams.

• I have strong SQL skills for data analysis, querying databases, and generating reports.

• I have used these tools in previous pr...read more
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Q2. How do you handle disagreements within internal stakeholders
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Q3. What values do you look in a collegue
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I look for values such as integrity, teamwork, communication, and adaptability in a colleague.
• Integrity - honesty, trustworthiness, and ethical behavior

• Teamwork - collaboration, support, and willingness to help others

• Communication - clear and effective communication skills

• Adaptability - ability to adjust to changing circumstances and problem-solve
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