Trential Interview Questions and Answers

Q1. About the project that I have worked
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Q2. Technical Experience
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Q1. Databinding in android
Ans. 
Databinding in Android allows for easier connection between UI components and data sources.
• Databinding eliminates the need for findViewById() calls in your code.

• It allows for easier access to data in your layouts using data binding expressions.

• Databinding can improve code readability and reduce boilerplate code.

• Example:
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Q2. What is the packaging process in android
Ans. 
Packaging process in Android involves compiling the code, resources, and assets into an APK file for distribution.
• Compile the Java code into .class files

• Compile the resources (XML files, images, etc.) into a binary format

• Package all the compiled files into an APK file using the Android Asset Packaging Tool (AAPT)

• Sign the APK file with a private key for security

• Align the APK file for optimization
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Q3. What is an MVVM design pattern
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MVVM is a design pattern that separates the user interface from the business logic and data model.
• MVVM stands for Model-View-ViewModel

• Model represents the data and business logic

• View represents the user interface

• ViewModel acts as an intermediary between the Model and View

• MVVM helps in achieving separation of concerns and easier unit testing
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Q1. Most of the question related to architecture and system design
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Q1. Face to face interview with director
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Based on my CV, they assigned me a task related to data migration.

Q1. Project reviews
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Q2. Attendance regarding
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Q1. Do you think a business analyst acts like a postman?
Ans. 
No, a business analyst does not act like a postman.
• A business analyst analyzes business processes, identifies areas for improvement, and recommends solutions.

• A postman delivers mail and packages to recipients.

• While both roles involve communication, a business analyst focuses on improving business operations while a postman focuses on delivering mail.
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Q1. How do you measure velocity, basic BA questions, guesstimate questions
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Q2. Different estimation techniques
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Different estimation techniques include bottom-up, top-down, analogous, parametric, and expert judgment.
• Bottom-up estimation involves breaking down the project into smaller tasks and estimating each individually.

• Top-down estimation uses historical data or high-level information to estimate the project as a whole.

• Analogous estimation relies on past similar projects to estimate the current project.

• Parametric estimation u...read more
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Q1. Same type of questions were repeated
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Q1. Interview with the CEO , guesstimate questions, technical experience
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Q1. General hr questions
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In Aptitude test contains topics like time, percentages,data interpretation etc.

In this round It is 30 mins we have 25 MCQ questions to attempt it is in Java/Python based questions.

Q1. Tell me about your self
Ans. 
I am a recent graduate with a degree in engineering, passionate about problem-solving and eager to learn and grow in a professional setting.
• Recent graduate with a degree in engineering

• Passionate about problem-solving

• Eager to learn and grow in a professional setting
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Q2. Explain about your projects
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I have worked on various projects including designing a solar-powered irrigation system and developing a mobile app for waste management.
• Designed a solar-powered irrigation system to help farmers in remote areas access water for their crops

• Developed a mobile app for waste management to help users locate nearby recycling centers and schedule pickups

• Implemented IoT sensors in the irrigation system to monitor soil moistur
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Q1. Group discussion
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Q2. How do you know about our company
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Researched online, read about company culture, products, and recent news.
• Researched online to learn about company history and values

• Read about the products and services offered by the company

• Kept up to date with recent news and developments within the company

• Checked out employee reviews on platforms like Glassdoor
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Q1. Tell me about your self
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I am a recent graduate with a degree in engineering, eager to learn and grow in a professional setting.
• Recent graduate with a degree in engineering

• Eager to learn and grow in a professional setting

• Strong problem-solving skills

• Experience with technical projects during studies
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Q2. General Questions
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Q1. Technical Screening round, mostly on tech stack
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Q1. Basic OOPs, C#, DSA, OOAD
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Q1. Cloud Technologies and Microservice
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Q1. System Design, Architectural Patterns, Enterprise Solution Design
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Q1. Behavioral Round mostly on team management, leadership, collaboration and team handling.
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Q1. DSA, Design Pattern, Problem Solving through OOPS.
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Written Coding Test - Arrays, Matrix in any language

GD is Group Discussion only shortlisted students will attend GD Round

Q1. I've not attended
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Q2. Then there will be a HR Round
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Q1. Tell me about your previous experience?
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Q2. Why do you want to leave your past company?
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Aptitude test was quite easy; it had normal intelligence questions as well as some math

The coding test consisted of 2 medium HackerRank questions in any language

Q1. I had a face-to-face virtual interview. The interview round went for 45 minutes. They asked all sort of questions, from JAVA to SQL to basic Python. Also, DSA questions were asked.
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Q2. Difference between Truncate, Delete and Drop
Ans. 
Truncate removes all rows from a table, Delete removes specific rows, and Drop deletes the entire table structure.
• Truncate is a DDL command that removes all rows from a table but keeps the table structure intact.

• Delete is a DML command that removes specific rows based on a condition.

• Drop is a DDL command that deletes the entire table structure along with all its data.

• Truncate is faster than Delete as it does not log in...read more
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Q3. Difference between Sets, Lists, Tuples
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Sets, Lists, and Tuples are all data structures in Python with different characteristics and use cases.
• Sets are unordered collections of unique elements. Example: {1, 2, 3}

• Lists are ordered collections of elements that can be modified. Example: [1, 2, 3]

• Tuples are ordered collections of elements that cannot be modified. Example: (1, 2, 3)
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Q1. Round 4 was another face-to-face interview with a senior.
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Q1. Tell me about yourself and questions related to internship experience
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Q1. Assessment comprised of few MCQs to check grammar and HR domain knowledge Email writing and an essay of about 250-300 words.
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Q1. Questions on internship experience and about yourself
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Q1. Again about internship experience Willing to relocate and when can we join
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