10+ Kyndryl Interview Questions and Answers

To delete the nth node in a single linked list, we need to find the (n-1)th node and update its next pointer.

• Traverse the linked list to find the (n-1)th node

• Update the next pointer of the (n-1)th node to skip the nth node

• Free the memory allocated to the nth node

Node.js is a runtime environment that allows you to run JavaScript on the server side.

• Node.js is built on Chrome's V8 JavaScript engine.

• It uses an event-driven, non-blocking I/O model.

• The event loop is responsible for handling asynchronous operations in Node.js.

• Example: Reading a file asynchronously in Node.js using fs module.

I would start by reproducing the bug, analyzing the code, identifying the root cause, implementing a fix, testing the fix, and finally deploying it.

• Reproduce the bug by following the steps that lead to the issue.

• Analyze the code surrounding the bug to understand the context and potential causes.

• Identify the root cause of the bug by debugging and tracing the code execution.

• Implement a fix by making the necessary code changes to address the root cause.

• Test the fix by running re...read more

HLD focuses on overall system architecture, while LLD delves into specific implementation details.

• HLD includes components, modules, interfaces, and dependencies.

• LLD involves detailed class diagrams, data structures, algorithms, and database schema.

• Example: HLD may outline a system using microservices architecture, while LLD may specify how each microservice communicates and stores data.

The task is to determine whether two given strings form an anagram pair or not.

• Check if the lengths of the two strings are equal. If not, they cannot be anagrams.

• Create a frequency map of characters for both strings.

• Compare the frequency maps of both strings. If they are equal, the strings are anagrams.

• Return True if the strings are anagrams, False otherwise.

React is a JavaScript library for building user interfaces, while Next is a framework for building server-side rendered React applications.

• React is a JavaScript library for building user interfaces.

• Next is a framework for building server-side rendered React applications.

• Next provides features like server-side rendering, static site generation, and routing out of the box.

Implemented a new inventory tracking system to reduce stockouts and improve order fulfillment

• Identified inefficiencies in current inventory management process

• Researched and selected a suitable inventory tracking software

• Trained staff on how to use the new system effectively

• Monitored key performance indicators to measure the success of the initiative

Managed a complex software migration project for a large e-commerce platform

• Coordinated cross-functional teams to ensure smooth transition

• Developed a detailed project plan with clear milestones and deadlines

• Addressed unexpected challenges and adjusted strategies accordingly

• Communicated regularly with stakeholders to provide updates and address concerns