There was this initial shortlisting phase based on various criteria. First and fore most criteria being branch of study. If post graduate then branch of study in graduation should be same as branch of specialization in masters. Then percentage cut off and age cut off were also there. There was no written test. Students were given time slots and accordingly called for interview process.
Core concepts like os, networks, elementary data structures (Linked lists adding nodes, traversal, and like). Focus on C language and on any projects you might have done. You should know about the osi model and what every layer does. In Os they might focus on scheduling, locks and things like that.
I applied through college or university. I interviewed at C-DOT (Bangalore Rural) in Jan 2024
Interview
1)Resume Shortlisting
2)
2Rounds Interview
In First round Interviewer asked about projects mentioned in resume.I was asked to tell my favourite subjects and then they have continued to ask questions from os,cn,dsa etc.
I was not selected for 2nd round
Interview questions [1]
Question 1
How two Network Interface Cards(NIC) communicate with each other
I applied through college or university. The process took 2 weeks. I interviewed at C-DOT (Electronics City) in Jan 2024
Interview
Mostly Questions based on topics which we have given the resume.
For me questions were based on Networking, Security and Operating Systems. Few OOPS concepts were also asked. Questions were all theory based and the panel was very friendly and helpful.