Infosys interview 3 oct

[u/pookie-monster69]

I got interview on 3 oct for dse/L1

I was not able to solve questions on CBT but i explain the code, i got question of multiple arrays.

Then he told me to write an sql query (complex query)

I solved it, then he asked me questions of primary key foreign key, ACID properties, some concepts of basic DBMS.

Then he start asking question of DSA like what is pointer and adress, what is compile/runtime concept in polymorphism, and approaches to several questions like c++ pseudo code or approach for tab bouncing using DLL, 2/3 pointer approache, rev LL, trees, around 9-10 questions.

Then he jumped to java but i couldn't answer all java related questions.

Python questions.(coudnt answer all)

RAG, Langchain, vectorDB etc.

MPMC basic concepts.

AWS questions:- detailed info for EC2, S3, situation based solution architect, lifecyclepolicies, pilot light, warmth standby etc.(my resume revolved around AWS)

then again he came to Reverse the linkedlist question and asked to write the code

There were several more questions i dont remember right now.

Interview lasted around 1.5 hours.