Epiroc Technical Support Engineer Interview Questions and Answers

Q1. Observables vs promises Lifecycle hooks Pipes
Ans. 
Observables are used for handling asynchronous operations in a stream-like manner, promises are for handling a single async operation, and lifecycle hooks are methods that allow you to tap into the lifecycle of a component in Angular.
• Observables are used in Angular for handling asynchronous operations in a stream-like manner, allowing you to work with data over time.

• Promises are used for handling a single asynchronous ...read more
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Q1. Lazy loading Dependency injection
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Q1. Your past experience
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I have 3 years of experience in technical support roles, troubleshooting hardware and software issues for customers.
• Provided technical support via phone, email, and chat

• Diagnosed and resolved hardware and software issues

• Escalated complex issues to higher level support teams

• Created and updated support documentation for common issues
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It's is fully based on the logical reasoning

It's fully based on the core subjects of computer science

Easy general questions

Easy array questions

Q1. Mid leetcode question based on role
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Q1. General questions
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Aptitude+ coding questions ,easy to moderate level questions

Q1. Situation based questions by recording answers upto 3 min
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Q1. Basics of Java and c questions Difference between finalze and final Instances of abstract class
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Q1. Explained about micro front end in react js
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Q1. Reason for job change
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Q2. Can i Work from office for 15 days each month?
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Q1. Can you explain the difference between a stack and a queue and provide a real-world example where each would be used.
Ans. 
A stack is a Last In First Out (LIFO) data structure, while a queue is a First In First Out (FIFO) data structure.
• Stack: LIFO - Last In First Out. Example: browser history where the last page visited is the first to be accessed.

• Queue: FIFO - First In First Out. Example: a line at a grocery store where the first person in line is the first to be served.
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Q2. Given an array of integers, write a function to find the two numbers that add up to a specific target. How would you optimize this solution?
Ans. 
Function to find two numbers in array that add up to target. Optimize solution.
• Use a hash map to store each number and its index as you iterate through the array.

• For each number, check if the difference between the target and the number exists in the hash map.

• Return the indices of the two numbers that add up to the target.
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30min and ask one coding question

30min and ask 2 coding question