IBM ISDL | On Campus

B. Tech - Tier 3

All interviews offline except Online Assessment (OA).

Technical Round 1 (1hr 30mins)

First he asked me to explain any of my projects
Explain the difference between supervised and unsupervised learning
Why pooling in CNN is necessary
Explain the difference between NoSQL and SQL database
Given a SQL database how will you manage the queries if two or more person want to update the database at the same time
Why to denormalize a database
One SQL query using Joins
Explain different linux commands
How does device drivers work
What is multi-threading
How is multi-threading handled
What is Semaphore and how is it different from mutex
What is deadlock
What is bankers algorithm
How does software interupts work
What is three way handshake in TCP
Difference between TCP and UDP
What happens when one searches www.ibm.com
What are the seven layers of OSI model
The interviewer asked me to explain Heap Sort by writing the code and doing a detailed dry run on it
One DSA question was given two strings find all the common charecters between them. I told the approach and did a dry run. Then the interviewer asked me how will you implement in C.
What is dangling pointer
What happens if pointer is pointing to '\0'
A pointer is pointing to an array. How will you access the nth element.
After this the interviewer saw that I had done a project using azure cognitive services. He asked me what is cognitve service and what all services I used

Techincal Round 2 + HR Round (1hr)
Since time was limited the technical round and hr round clubbed together

Give the CMOS diagram of an inverter and its waveform
What is the CMOS implementation of a D Flip FLop
The interviewer gave a KMAP and asked me to find the Boolean Expression
Why is docker used
What is an image.Also name some images
What is working directory. How is it different from CD ing into the working directory
What is port forwarding
Why are K8s used
Then the interviewer asked me how will you allocate the minimum required resources in a VM
How will you install linux in a local machine(He was expecting boot loader)
What can be privacy and ethical concerns in AI/ML
What is stopping my college to make something similar to ChatGPT
After this the HR round Started
Why IBM?
What are your strengths and weakness
If you have offers from IBM,Google and Microsoft with the same CTC, which one will you choose
What sets you apart from different candidates

FYI: The intervier asked me the cmos questions because I am from ECE branch.

Verdict: Selected

OA questions if Interested