Epiroc Technical Support Engineer Interview Questions and Answers

Based on CS fundamentals

Normal questions based on arrays and strings

No of candidates shortlisted after GD is not fixed it is based on performance.

Q1. Tell me about yourself
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Q2. Questions related to my projects
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60 questions on basic coding and aptitude

General topics happening in world

Q1. Work done on project in college and memory allocation question on basic coding
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The first round was aptitude conducted through AMCAT. It had logical, verbal and quantitative aptitude (gamified aptitude round) and technical quiz. And the shortlists from this round had Automata coding test

The GD was for about 45 min and with two topics. The topic i got was "Is driverlesscar suitable for India? "

Q1. This was a purely technical round . Most of the questions were related to the projects from bachelors and masters
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Q1. There was a one on one coding round, where you were asked to write the programs and explain it to the panel.
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Q1. These were some usual questions like what are your plans for five years, where would you want to see yourself in 5 years , etc,...
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Q1. Questions of your current work process Behavioral and star based question
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Q1. First round was mostly basics of angular and JavaScript
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Q1. This round was more focused of in depth of JavaScript and angular
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Q1. Managerial round for 1.5 hrs with non stop situational based questions
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Q1. Normal HR related questions
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Pure technical ... Will happen for at least an hour with 2 members panel

Q1. TSI round(behavioural) ... These will be taken by 3 managers and 2 of them should be satisfied Ex: What you do if you have conflicts with your immediate team lead?
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Q2. What is the most challenging task you faced ? And why it was challenging?
Ans. 
Migrating a legacy system to a new technology stack.
• Understanding the existing system architecture and functionality.

• Identifying the gaps and limitations of the legacy system.

• Researching and selecting the appropriate technology stack for the migration.

• Ensuring data integrity and compatibility during the migration process.

• Testing and debugging the migrated system to ensure it functions correctly.

• Training and supporting
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On campus drive - 1 st round was aptitude and coding with technical and quantitative aptitude questions, and 2 easy level programming questions .

Group discussion on latest general topics ( rarely few groups got technical topics).

Q1. Questions based on area of Interest and the projects done.
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Q2. 1. Teach me Object oriented programming. (Consider I have no programming knowledge and don't understand classes and objects as such. - Explain using realtime examples.)
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Q3. What is the difference between aggregation and composition? Abstract class vs interface.
Ans. 
Aggregation is a 'has-a' relationship where one object contains another object, while composition is a stronger form of aggregation where the contained object has no independent existence.
• Aggregation is a weaker relationship where one object 'has-a' another object, but the contained object can exist independently.

• Composition is a stronger relationship where one object is composed of another object, and the contained ob...read more
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Q4. Why do we need DBMS? What are views, procedures and triggers?
Ans. 
DBMS is needed to efficiently store, retrieve, and manage data. Views, procedures, and triggers are database objects used for data manipulation and automation.
• DBMS is needed to ensure data integrity, security, and consistency.

• Views are virtual tables that display data from one or more tables based on a query.

• Procedures are reusable sets of SQL statements stored in the database for execution.

• Triggers are special stored ...read more
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Q1. Behaviour oriented questions. Where do you see yourself five years from now? (Questions to check the approch and intent of the candidate).
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