IBM Interview Questions & Answers

What are the benefits and challenges of implementing a distributed data lake?

What are the key benefits and challenges of implementing a distributed data warehouse?

What are the benefits and challenges of using a distributed graph database?

What are the benefits and challenges of using a distributed in-memory data store?

What is the method to determine if a linked list is a palindrome?

How do you create a binary search tree from a sorted array?

How do you construct a binary tree using its preorder and inorder traversal arrays?

How do you convert a binary search tree into a balanced binary search tree?

How would you convert a binary tree into a doubly linked list?

How would you approach designing a real-time analytics platform?

How would you approach designing a recommendation system for an e-commerce platform?

How would you architect a scalable event streaming platform?

How would you design a real-time data ingestion system?

How would you design a real-time stock price tracking and display system?

What methods can you use to detect cycles in a directed graph?

What is the difference between interpreted and compiled programming languages?

What is a distributed commit log, and how does it function in data systems?

What is a distributed ledger, and how does it function?

What is a distributed batch processing system, and how does it function?

What is a distributed publish/subscribe (pub/sub) system, and how does it work?

What is a distributed tracing system and how does it improve application performance?

What is polymorphism in object-oriented programming, and how does it enhance code flexibility?

How do you find the kth smallest element in a binary search tree?

What is a gossip protocol, and what are its common use cases?

How do you implement a breadth-first search (BFS) algorithm in a graph?

How would you implement a distributed cache invalidation strategy?

How would you design and implement a distributed data pipeline?

How would you design and implement a distributed file storage system?

How would you implement a distributed graph search algorithm?

How would you design and implement a distributed query processing engine?

How would you design and implement a distributed rate limiter?

How would you implement a priority queue?

Write a function to find the longest substring without repeating characters in a given string

How would you reverse a linked list?

What are the steps in a secure SSL/TLS handshake?

How do you find the shortest path in an unweighted graph?

What is the importance of the CAP theorem in distributed systems?

How do you perform a union-find operation in a disjoint-set data structure?