I applied through college or university. I interviewed at DDN (Rājpura, Punjab) in Feb 2026
Interview
The interview process consisted of an online assessment followed by one or two technical interview rounds. The questions were mainly based on data structures, problem solving, and projects. The interviewer also asked some basic HR questions to understand communication skills and overall fit for the role.
Interview questions [1]
Question 1
They asked me to explain my projects and the technologies I used. There were also some basic DSA questions like arrays and time complexity. They focused on problem-solving approach and communication skills during the interview.
I applied through college or university. I interviewed at DDN (Rājpura, Punjab) in Mar 2026
Interview
Online Assessment (OA):
20 MCQs, 3 DSA questions, 1 debugging problem, and 1 code explanation. Overall difficulty ranged from easy to medium.
Technical Interview 1:
Focused on core CSE fundamentals, medium-level DSA questions, Computer Networks and Operating Systems.
Technical Interview 2:
Primarily centered on DSA and core CSE concepts.
Management & HR Round:
Included basic HR questions and discussions related to relocation.
Interview questions [4]
Question 1
Fundamentals & CN Topics
What happens when a computer is powered on
What happens when we access a website like Google
RAM vs Hard Disk
Dual-core vs Quad-core processors; factors to consider while choosing a processor
Data transfer scenario: copying from a pen drive to a system (e.g., 1TB data with 128GB RAM)
DNS (Domain Name System)
ipconfig command
Router vs Modem
DSA Concepts
Choosing the appropriate data structure for a problem
Use cases:
Relay race problem
Page replacement algorithms
Cache memory management (how to decide what data to evict when cache is full)