Placement Preparation Hub

Core Computer Science

Essential Theory

Fundamental computer science theory asked in almost every technical round across product and services companies.

Computer Networks

0 questions

High-Yield Focus: OSI Model, TCP vs UDP, DNS, HTTP/HTTPS, Subnetting, Socket Programming

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Operating Systems

0 questions

High-Yield Focus: Processes vs Threads, Virtual Memory, Deadlocks, CPU Scheduling, Mutex

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Database Systems (DBMS)

0 questions

High-Yield Focus: ACID properties, SQL Indexing (B-Tree), Normalization 1NF-BCNF, Complex Joins

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Data Structures & Algorithms

0 questions

High-Yield Focus: Arrays, Two Pointers, Linked Lists, Trees, Graph traversals, Dynamic Programming

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Cloud & Infrastructure

Production Systems

Crucial for Cloud Support, DevOps, Systems Engineering, and Enterprise Consulting roles.

Linux Administration

0 questions

High-Yield Focus: File permissions, chmod/chown, grep, awk, systemd, SSH keys, Shell scripting

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Cloud Computing

0 questions

High-Yield Focus: AWS/Azure fundamentals, EC2, S3, IAM, Active Directory, LDAP, VPC

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Development & Engineering

Practical Architectures

Modern software engineering practicals, web architectures, and system design basics.

Web Development

0 questions

High-Yield Focus: REST APIs, HTTP status codes, Authentication (JWT/Session), Client-Server model

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Interview Essentials

Behavioral & Culture

Behavioral rounds, culture fit, situational judgment, and communication questions.

HR & Behavioral Rounds

1 question

High-Yield Focus: Elevator pitch, Handling team conflict, 24x7 rotation shifts, 5-year vision, Strengths & Weaknesses

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Pro-Tip: How to Prepare Using ThePrepRoom

1. Start with Targeted Companies

Check the Companies section for the upcoming recruiters on your campus. Study their specific selection rounds and typical OA cutoff patterns.

2. Master the Core Topics

Brush up on OS, Networks, and DBMS questions. Recruiters consistently test fundamental computer science understanding across all branches.

3. Rehearse Candidate Advice

Read through the "Advice for Juniors" on verified experiences. Seniors frequently share critical details about interviewer demeanor and common pitfalls.