Trantor Interview Questions and Answers

React basics, javascript basics, cas basics, jwt, run time environment

Q1. Ja based coding exercises bases on array and objecta
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Q2. Unique array, copy objecta
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Q1. What is difference between permission set and profile
Ans. 
Permission sets are used to extend user permissions beyond what is granted by their profile.
• Profiles control overall access to objects, fields, and records for a user

• Permission sets grant additional permissions or access to specific objects, fields, or records

• Users can have multiple permission sets but only one profile
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Q1. Permission set vs profile
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Permission set vs profile
• Profiles control overall access to objects, fields, and records for a user

• Permission sets grant additional permissions or access to specific objects or fields

• Profiles are assigned to users at the user level, while permission sets can be assigned to multiple users
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Q1. What are HOC in react? Implement a HOC from scratch.
Ans. 
HOC (Higher Order Components) in React are functions that take a component and return a new component with additional functionality.
• HOCs are a common pattern in React for code reuse, logic abstraction, and separation of concerns.

• They are used to enhance components with additional props, state, or lifecycle methods.

• Example: Creating a HOC that adds a loading spinner while data is being fetched from an API.
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Q2. Write a generic button component for React?
Ans. 
A generic button component for React
• Create a Button component with props for text, onClick function, and optional styles

• Use React's useState hook to manage button state if needed

• Implement onClick handler to trigger a function when button is clicked

• Allow for customization of button styles using props
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Q3. What memoization techniques are you familiar with?
Ans. 
Memoization techniques involve storing the results of expensive function calls and returning the cached result when the same inputs occur again.
• Using a hash table to store previously computed results

• Implementing memoization with dynamic programming

• Memoizing recursive functions to avoid redundant calculations
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Q1. API TESTING AND POSTMAN
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Q2. AUTOMATION AND FRAMEWORKS
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Q1. Automation testing
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Q2. API testing, Manual testing
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Q1. Agile, Scrum methodology
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Q1. Technical questions related to the tool that will be used
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Q2. Project Management related questions and different methods of lean & six sigma
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Q3. Why to choose this particular tool over other tools available in the market.
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Q1. Client Facing questions
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Q2. Quality check in you and how will you manage pressure
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Q1. Basic Apex, Batch classes and Triggers
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Q2. LWC - @track, @wire, lifecycle Hooks
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Q1. Advanced Apex, Batches questions
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Q2. Trigger/Batch Class Coding Test
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Q1. How will you resolve conflicts in team
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