CIS - Cyber Infrastructure interview experience Real time questions & tips from candidates to crack your interview
Junior Associate Technology
CIS - Cyber Infrastructure
3 rounds | 5 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 4 months
Topics: Data structures, OOPs, Java, REST API, Operating systems
Tip 1 : Practice more string and array questions
Tip 2 : Mention only those thing in resume on which you're confident
Application process
Where: Campus
Eligibility: 6.5 CGPA
Tip 1 : Should be of one page
Tip 2 : Mention at least 2 good projects
Interview rounds
01
Round
Medium
Online Coding Interview
Duration60 minutes
Interview date7 Sep 2022
Coding problem2
2 coding questions from Data Structures were asked.
1. Trapping Rain Water
Moderate
15m average time
80% success
0/80
Asked in companies
Water trapping problem
Problem approach
Tip 1 : Practice arrays and string questions
2. Is It A Tree?
Moderate
20m average time
75% success
0/80
Asked in companies
Given a graph with 'V' vertices numbered from 0 to 'V' - 1 and 'E' edges. Determine if it is a tree or not?
Problem approach
It was a basic question. Applied basic approach to it and I passed this question
02
Round
Medium
Video Call
Duration70 minutes
Interview date3 Oct 2022
Coding problem2
I got a mail just one day before the interview and interviewer is more interested in projects and data structures. He also asked me about some of the concept related to operating system like dead lock condition, round robin scheduler.
1. Delete middle node
Easy
15m average time
95% success
0/40
Asked in companies
Deletion of middle node in LL
Problem approach
Tip 1 : Try to dry run it first
Tip 2 : Practice loops
2. Minimum Subarray With Required Sum
Moderate
18m average time
85% success
0/80
Asked in companies
You have been given an array(ARR) of positive integers and an integer X. You have to find the minimum length subarray such that the sum of all of its elements is strictly greater than the given integer X.
Note:
A subarray is a contiguous block of elements that can be formed by deleting some (possibly zero) elements from the beginning or the end of the original array.
For example :
If the given array is [1, 2, 3, 4, 5], then [2, 3, 4], [1, 2], [5] are some subarrays while [1, 3], [2, 3, 5] are not.
If there are multiple subarrays with minimum length, find one which appears earlier in the array (i.e. subarray that starts with lower index).
If there is no such subarray, print an empty line.
03
Round
Easy
HR Round
Duration10 minutes
Interview date7 Oct 2022
Coding problem1
This is salary discussion round and hr asked me about my future plans
1. Basic HR Questions
- Introduce yourself
- What are your strength?
- What are your tech expertise?
- What are your strength and weakness?
- What are your future plans?
- Explain the working of your project
Problem approach
Tip 1 : Good projects
Tip 2 : Knowledge about basic questions
Here's your problem of the day 
Solving this problem will increase your chance to get selected in this company
Skill covered: Programming
How do you remove whitespace from the start of a string?
Choose another skill to practice
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