Tatvasoft Interview Questions, Process, and Tips

It was a aptitude test and have to score 50% plus all MCQ's with +3 on correct choice and -1 in wrong choice.

Q1. What is SDLC and STLC? And difference between them.
Ans. 
SDLC stands for Software Development Life Cycle, which is the process of developing software. STLC stands for Software Testing Life Cycle, which is the process of testing software.
• SDLC involves planning, designing, coding, testing, and deployment of software.

• STLC involves test planning, test case development, test execution, and test closure.

• SDLC focuses on the overall development of software, while STLC focuses on ens...read more
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Q2. Explain Agile methodology?
Ans. 
Agile methodology is a software development approach that emphasizes flexibility, collaboration, and iterative development.
• Iterative development with short, time-boxed iterations called sprints

• Frequent collaboration between cross-functional teams

• Adaptability to changing requirements and feedback

• Focus on delivering working software in small increments

• Use of tools like Scrum, Kanban, and Lean to manage projects
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Q1. What is your family background?
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Q2. What is your future goals?
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Q1. What do you mean by ERD?
Ans. 
ERD stands for Entity Relationship Diagram, a visual representation of entities and their relationships in a database.
• ERD is used to design and model databases.

• It shows the relationships between entities, such as one-to-one, one-to-many, and many-to-many.

• Entities are represented as rectangles, and relationships are represented as lines connecting them.

• Attributes of entities are also shown in ERD.

• Example: A customer can...read more
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Q2. What is hoisting?
Ans. 
Hoisting is a JavaScript mechanism where variable and function declarations are moved to the top of their scope.
• Variable declarations are hoisted but not their values

• Function declarations are fully hoisted

• Let and const declarations are not hoisted
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Q3. What is difference the between array map, array filter and for each?
Ans. 
Array map transforms each element of an array, array filter filters elements based on a condition, and for each iterates over each element.
• Array map returns a new array with transformed elements

• Array filter returns a new array with elements that pass a condition

• For each does not return anything, it just iterates over each element

• All three methods do not modify the original array

• Examples: map - doubling each element of ...read more
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Make an api using express, mongo and jwt

Q1. Why do you want to join us?
Ans. 
I want to join because of the company's reputation, innovative projects, and collaborative work environment.
• Reputation: The company has a strong reputation in the industry, known for its high-quality software solutions.

• Innovative projects: I am excited about the opportunity to work on cutting-edge projects that push the boundaries of technology.

• Collaborative work environment: I value teamwork and believe that the best ...read more
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Q2. What is your current CTC?
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Q1. Interview is based on your CV and work experience related questions.
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Q1. Its related to check your ability of communication and knowledge about domains which you worked on
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Q1. Tell me about previous Projects ?
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Q2. What is redux & it's usage ?
Ans. 
Redux is a predictable state container for JavaScript apps.
• Redux is commonly used with React to manage the state of an application.

• It helps in maintaining a single source of truth for the state.

• Actions are dispatched to update the state in a predictable way.

• Reducers are used to specify how the state changes in response to actions.

• Selectors can be used to extract specific pieces of state from the store.

• Example: Redux is...read more
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