Khoros Technical Support Engineer Interview Questions and Answers

Q1. Describe Life cycle in react
Ans. 
React has three main phases in its lifecycle: mounting, updating, and unmounting.
• Mounting: when a component is created and inserted into the DOM

• Updating: when a component is updated due to changes in props or state

• Unmounting: when a component is removed from the DOM

• Lifecycle methods can be used to perform actions at each phase, such as componentDidMount() or componentWillUnmount()

• React also has error handling methods,
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Q2. Explain strict mode in javascript and it's use
Ans. 
Strict mode is a way to write secure and optimized JavaScript code.
• Enables catching of silent errors

• Disallows duplicate property names or parameters

• Prevents use of undeclared variables

• Makes `eval()` safer to use

• Throws errors on invalid usage of `this` keyword
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CURD operations along with implementation of a mock UI

Q1. Tell about Oops concepts
Ans. 
OOPs concepts are fundamental principles in object-oriented programming, including inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex imple...read more
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Q1. Will ask coding related
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Q1. What is Expected salary
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Q1. More about API automation
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Q1. Basics Oops concepts and SQL queries along with currently working projects stacks
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Q1. More in-depth technical questions use of reflections etc
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Q1. Usual HR interviews company values etc
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Q1. Find the index of second maximum interger in a given array.
Ans. 
Find the index of second maximum integer in a given array.
• Iterate through the array to find the maximum integer.

• Then iterate again to find the second maximum integer and return its index.
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Hackerrank algorithms and ds test

Q1. Technical on java and aws
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Logical Reasoning, Questions on distances, Questions on directions

1- Difference between array list and linked list.
2- Reverse the linked list

1-Difference between Arraylist and Linked list.
2-Check if strings are anagram.

Basic maths question - given a number a and b get the nth number which is divisible by both a and b. And one sql query of concatinating the string in the column results.

Other - which movie you watched?
why do you watch?
who is your role model?
Why? What? How? Where?
Silly questions