SkillSoft Data Engineer Interview Questions and Answers

I went for interview in 2019 as fresher , First round was CCAT , Where you will have to solve 30 questions in 15 minutes

Since there were too many people , Group discussion on various topics were held to filter more candidates

Q1. Once GD is passes , Technical interview for 20-30 minutes , Basic programming questions on any language , And detailed explanation was asked , They were trying to know if we are good enough in problem so...read more
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Q1. And finally with the director , It was normal interview
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Q1. Question based on Window Functions in sql
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Q2. Order of execution
Ans. 
Order of execution refers to the sequence in which operations are carried out in a program or system.
• Execution starts from the top of the program and moves downwards.

• Operations within parentheses are executed first.

• Multiplication and division are executed before addition and subtraction.

• Functions are executed when they are called.

• Control structures like loops and conditionals affect the order of execution.
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Q1. Write a sql query to find out different routes for a airline. Table has two columns which are destination and source
Ans. 
Use a SQL query to find different routes for an airline based on source and destination columns in a table.
• Use a SELECT statement to retrieve the distinct combinations of source and destination.

• Use the DISTINCT keyword to ensure only unique routes are returned.

• Order the results by source and destination for easier analysis.
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Q2. Situational questions based on Business KPI
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Q1. Simple discussion on the role and company culture
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Q1. Case study question
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Q1. Basic Discussion on relocation and interest in joining the company.
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Two dynamic programming challenges at the hard level on LeetCode and 10 medium-level SQL challenge.

Q1. How to manage and configure postfix mail server.
Ans. 
Postfix mail server can be managed and configured using configuration files and command line tools.
• Edit the main configuration file /etc/postfix/main.cf to make changes to the server settings

• Use postconf command to view or change configuration parameters

• Restart the postfix service after making changes for them to take effect

• Utilize tools like postmap to manage lookup tables for postfix

• Monitor mail server logs for troub
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Q2. OS go to maintenance mode, how to fix it.
Ans. 
To fix an OS in maintenance mode, reboot the system, check for any recent changes or updates, run diagnostics, and restore from a backup if necessary.
• Reboot the system to see if it resolves the issue

• Check for any recent changes or updates that may have caused the OS to go into maintenance mode

• Run diagnostics to identify any hardware or software issues

• Restore the OS from a backup if needed
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Q1. Basic Questions based on pervious project
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Q1. Lifecycle methods
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Q1. Project details and how to tackle challenges and bugs efficiently
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DS algo questions with about 3 questions in topic like graph, strings ,arrays

Q1. DS algo question on LinkedIn list
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Q2. DS algo question on graph
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Verbal, logical, Quantative test

Q1. Self introduction
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