Racks and Rollers Interview Questions and Answers for Experienced

Technical and management

Q1. HR made me to wait gor more than 5 hours
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Q2. Projects handlend
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They given some topic on gd

They gave some gd questions

Q1. Asking some technical questions
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Q1. Asking person data qnd techicql questions also
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Q2. Personal data of school and other things
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Q3. Some techinql questions on before worked Project
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Its all about python pseudo codes

Q1. They ask me normal questions like tuples, nested tuples, regular expression, and how to connect python with sql data base
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Q2. What is tuples and why we use this
Ans. 
Tuples are immutable sequences used to store multiple items in a single variable. They are commonly used for grouping related data.
• Tuples are created using parentheses () and can contain any type of data.

• They are immutable, meaning their values cannot be changed once assigned.

• Tuples are often used to return multiple values from a function.

• They can be used as keys in dictionaries since they are immutable.

• Tuples are more...read more
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Q3. What is regular expression
Ans. 
A regular expression is a sequence of characters that defines a search pattern.
• Regular expressions are used for pattern matching and searching in strings.

• They provide a concise and flexible way to search, extract, and manipulate text.

• Regular expressions can be used in various programming languages, including Python.

• They consist of metacharacters, literals, and special sequences.

• Examples of regular expressions include m
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Q4. Which frame work is used in django
Ans. 
Django is a high-level Python web framework that follows the model-view-controller architectural pattern.
• Django is a free and open-source framework.

• It is used for building web applications quickly and efficiently.

• Django follows the DRY (Don't Repeat Yourself) principle.

• It provides a robust set of tools and features for handling common web development tasks.

• Django uses the model-view-controller (MVC) architectural patte...read more
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Q5. How to connect database with python
Ans. 
To connect a database with Python, you can use database-specific libraries or ORM frameworks like Django.
• Install the appropriate database driver or ORM framework

• Import the library or framework in your Python script

• Establish a connection to the database using connection parameters

• Execute SQL queries or use ORM methods to interact with the database

• Close the database connection when done
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Excel Test-Management will provide you an excel sheet to complete the test based on data provided in Excel sheet.

Q1. General Information regarding candidate general information including last experience and same is confirmed via call and email after checking background.
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Q2. Applicant will be asked to share General information.
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Some basic puzzle Ask like 3 liter bucket 5 litter bucket u need to find way to measure 5 litter bucket

Q1. Interviewer not appeared
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Q2. React native app optimization technique
Ans. 
Optimizing a React Native app involves reducing bundle size, improving performance, and enhancing user experience.
• Use code splitting to reduce initial bundle size

• Optimize images and assets for smaller file sizes

• Implement lazy loading for components that are not immediately needed

• Use PureComponent or memoization for performance optimization

• Avoid unnecessary re-renders by using shouldComponentUpdate or React.memo

• Profile ...read more
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Q3. Props state, promise.all closure,HOC,redux related,
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Q4. Recursion function for infinite currying
Ans. 
Recursion function to enable infinite currying by returning a function until all arguments are provided.
• Create a function that takes a single argument and returns a new function that takes the next argument until all arguments are provided.

• Use recursion to keep returning a new function until all arguments are collected.

• Once all arguments are collected, execute the original function with all arguments and return the res
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Q1. Basic To intermediate level JS and React Js
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Q1. About skills and expertise
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Q1. Final discussion
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Q1. KPIs which affect the brand
Ans. 
Key Performance Indicators (KPIs) that impact the brand include customer satisfaction, retention rate, and Net Promoter Score (NPS).
• Customer satisfaction: Measure of how happy customers are with the product/service.

• Retention rate: Percentage of customers who continue to use the product/service over time.

• Net Promoter Score (NPS): Indicator of customer loyalty and likelihood to recommend the product/service to others.
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