Planetcast RF Engineer Interview Questions and Answers

Q1. What is my name
Ans. 
The question is asking for your name.
• Answer with your actual name

• Be honest and straightforward

• Avoid giving a fake name or trying to be clever
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Q2. Salry how much exoected
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Q1. Salary how mych
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Basic LIS problem. Coded using Java. Asked to improve it using collections.

Q1. Explain current project and what you have handled
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Q2. Longest substring problem
Ans. 
Find the longest substring without repeating characters in an array of strings.
• Iterate through each string in the array

• Use a set to keep track of characters seen so far

• Update the longest substring length as you iterate
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It was live online coding test

Coding test nodejs assignnment

Q1. Multithreading and Concurrency
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Q1. What is the use of ref?
Ans. 
The 'ref' keyword in C# is used to pass arguments by reference instead of by value.
• Allows a method to modify the value of the argument passed to it

• Useful when you want to update the original value of a variable inside a method

• Can be used with value types and reference types

• Example: void UpdateValue(ref int num) { num = 10; }

• Example: int value = 5; UpdateValue(ref value); // value will be 10 after the method call
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Q2. What are React Hooks
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.

• They allow you to use state and other React features in functional components.

• Some commonly used React Hooks are useState, useEffect, useContext, etc.

• Hooks are more lightweight and easier to understand compared to class components.
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Generale questions about my previous experience

Q1. Leetcode problem solving
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Q2. Leetcode problem solving 2
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