Enquero Interview Questions, Process, and Tips

Based on your tech, As I was in to frontend.

Q1. REACTJS PERFORMANCE
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Q2. React Optimisation
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Q3. React Hooks explain
Ans. 
React Hooks are functions that let you use state and other React features without writing a class.
• React Hooks were introduced in React 16.8 to allow functional components to have state and lifecycle methods.

• useState() is a Hook that lets you add state to functional components.

• useEffect() is a Hook that lets you perform side effects in functional components.

• Hooks are more readable and easier to maintain than class compo...read more
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Q4. React Class based and functional
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Q5. React Redux explain
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React Redux is a state management library for React applications.
• React Redux helps manage the state of a React application in a predictable way

• It allows for a centralized store to hold the application's state

• Actions are dispatched to update the state, and reducers specify how the state should change

• Selectors can be used to retrieve specific pieces of state from the store
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Q1. Python questions
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Q1. Spark questions
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Q1. Map implementation
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Q2. Java code for replacing character in string
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Use Java code to replace a character in a string.
• Use the replace() method to replace a character in a string.

• Specify the character to be replaced and the character to replace it with.

• Example: String str = "hello"; str = str.replace('e', 'a'); // Output: hallo
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Which contain apti, cpp, oops, dbms etc

Q1. About DBMS :he asked about the qns related to primary key,constraints,etc but the qns are not straight forward
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Q2. About OOPS: he asked me about the types of oops , about runtime and compiler time polymorphism
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Q1. Basic things which a hr will ask mainly depends on the hr.my interviewer focused mainly on resume
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Q1. How would you facilitate estimations for a sprint?
Ans. 
I would facilitate estimations for a sprint by involving the team in a collaborative process, using techniques like Planning Poker.
• Involve the entire team in the estimation process to ensure buy-in and accuracy

• Use techniques like Planning Poker to facilitate collaborative estimation

• Break down user stories into smaller tasks for more accurate estimations

• Consider historical data and team velocity when making estimations
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Q2. What is the difference between Agile and Waterfall methodologies? How have you used them?
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Agile is iterative and flexible, while Waterfall is sequential and rigid.
• Agile involves breaking projects into smaller tasks and adapting to changes quickly.

• Waterfall follows a linear approach with distinct phases like planning, design, development, testing, and deployment.

• I have used Agile methodology in a software development project where requirements were evolving.

• I have used Waterfall methodology in a construction...read more
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Q3. What agile methodologies have you implemented?
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I have implemented Scrum and Kanban methodologies in previous projects.
• Implemented Scrum framework for daily stand-up meetings, sprint planning, and retrospectives

• Utilized Kanban board for visualizing workflow and tracking progress

• Facilitated regular backlog grooming sessions to prioritize tasks and user stories
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Q1. Simple data structure question in python and sql
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Q1. String opertaions in python and joins in sql
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String operations in Python and joins in SQL
• Python has built-in string methods like split(), join(), replace() etc.

• SQL joins are used to combine rows from two or more tables based on a related column

• Types of SQL joins: INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL OUTER JOIN

• String operations in Python can be used to manipulate text data for analysis or processing in SQL
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