Deutsche Telekom Digital Labs Devops Engineer Interview Questions and Answers

Q1. Basics of Data structures, C++
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Q2. How do you reverse an array
Ans. 
To reverse an array of strings, iterate through half of the array and swap elements from start and end.
• Iterate through half of the array

• Swap elements from start and end of the array
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Quant questions, you will be able to clear it easily

Task1: create a website with 3 wepages

task2: create custom linux commands

Starts with an online assessment test on HackerRank. Expect a LeetCode Medium question most of the time, mostly created by HackerRank.

Q1. LC medium related to dynamic programming.
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Q2. LC easy related to heaps.
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Q1. LC medium-hard, don't remember the category.
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Q1. This was a design round. You can expect to be asked to design the DB schema and API endpoints for a well-known use case. Interviewer was super helpful and receptive throughout. While getting to an agreeabl...read more
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Q1. Hiring manager round. Mostly discussions about your profile, discussion on past projects from your resume. You can do well in this round if you know your basics and can explain your projects to some depth....read more
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Q1. Reverse a linked list
Ans. 
Reverse a linked list by changing the direction of pointers
• Start with three pointers: current, previous, and next

• Iterate through the linked list, updating pointers to reverse the direction

• Update the head of the linked list to be the last node visited
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DSA, SUM Practice, DSA SUM

DSA Sum Practice DSA Sum

Q1. Polyfills , basic react app
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Q1. Question on DSA, Trees
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Q1. Telecome domain related questions along with Unix shell scripting and SQL database question .
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