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Technical Interview Questions and Answers

Prepare for technical interviews with commonly asked questions and detailed answers on Linux, DevOps, and programming topics.

The Interview Questions section helps you prepare for technical interviews with structured questions and answers.

These include real-world questions from Linux, DevOps, and programming domains.

Explore Linux and DevOps.

42 articles

Interview questions category illustration with Q&A clipboard and problem solving graphics
interview-questions

C and C++ Interview Questions and Answers

C and C++ interview questions and answers for {year}: C pointers and memory, C++ OOP, RAII, smart pointers, STL, move semantics, coding problems, and systems prep.

Deepak Prasad19 min read
interview-questions

TypeScript Interview Questions and Answers

TypeScript and interview questions on TypeScript for {year}: types, generics, utility types, narrowing, satisfies, strict mode, React/Node prep with elaborate answers.

Deepak Prasad17 min read
interview-questions

Operating System Interview Questions and Answers

Operating system and Linux OS interview questions for {year}: processes, threads, scheduling, virtual memory, deadlocks, synchronization, and systems prep with answers.

Deepak Prasad19 min read
interview-questions

Interview Questions on React JS for Experienced Developers

Interview questions on React JS for {year}: basic React JS questions, experienced hooks and architecture, scenario-based senior prep, React 19, and live coding answers.

Deepak Prasad19 min read
interview-questions

DBMS Interview Questions and Answers

DBMS interview questions, basic dbms interview questions, and common dbms interview questions for {year}: ER model, normalization, ACID, transactions, indexing, SQL vs NoSQL, and scenarios with elaborate answers.

Deepak Prasad24 min read
interview-questions

React Interview Questions and Answers

React and React JS interview questions and answers for {year}: hooks, Virtual DOM, state, performance, React 19, Server Components, coding challenges, and senior frontend prep.

Deepak Prasad22 min read
interview-questions

Computer Networks Interview Questions and Answers

Computer networks interview questions and computer networks basic interview questions for {year}: OSI, TCP/IP, DNS, HTTP/TLS, routing, NAT, and troubleshooting with elaborate answers.

Deepak Prasad23 min read
interview-questions

Kafka Interview Questions and Answers

Apache Kafka interview questions and answers for {year}: topics, partitions, consumer groups, acks, exactly-once, KRaft, and Java Spring Boot integration for experienced developers.

Deepak Prasad23 min read
interview-questions

OOP Interview Questions and Answers

OOP and OOPs interview questions for {year}: four pillars, encapsulation, inheritance, polymorphism, SOLID, design patterns, Java OOPs specifics, and object-oriented design prep.

Deepak Prasad21 min read
interview-questions

Django Interview Questions and Answers for Experienced Developers

Django interview questions for experienced professionals in {year}: MVT lifecycle, ORM, migrations, middleware, DRF, security, Celery, async Django, and senior production scenario answers.

Deepak Prasad31 min read
interview-questions

Selenium Interview Questions and Answers

Selenium interview questions and answers for {year}: WebDriver architecture, Java, TestNG, locators, waits, Page Object Model, Grid, parallel execution, and SDET prep.

Deepak Prasad24 min read
interview-questions

Pandas Interview Questions and Answers

Pandas and python pandas interview questions for {year}: DataFrame, groupby, merge, cleaning, vectorization, time series, performance, and data analyst prep with answers.

Deepak Prasad14 min read
interview-questions

Spring Boot Interview Questions and Answers for Experienced Developers

Spring Boot interview questions for experienced and 10+ year Java developers in {year}: auto-configuration, JPA, Security, Actuator, testing, virtual threads, and senior scenario answers.

Deepak Prasad28 min read
interview-questions

PostgreSQL Interview Questions and Answers

PostgreSQL interview questions, postgresql developer interview questions, and postgresql dba interview questions for {year}: MVCC, indexes, EXPLAIN, JSONB, vacuum, replication, and tuning with elaborate answers.

Deepak Prasad21 min read
interview-questions

Kubernetes Interview Questions and Answers

Kubernetes interview questions and answers, docker and kubernetes interview questions, and advanced kubernetes interview questions for {year}: pods, services, HPA, RBAC, networking, and production debugging.

Deepak Prasad59 min read
interview-questions

CSS Interview Questions and Answers

CSS interview questions, html css interview questions, and html and css interview questions for {year}: box model, specificity, flexbox, grid, responsive layout, and modern CSS with elaborate answers.

Deepak Prasad22 min read
interview-questions

MongoDB Interview Questions and Answers

MongoDB interview questions and answers for {year}: BSON, schema design, indexing, aggregation, replica sets, sharding, transactions, and production troubleshooting prep.

Deepak Prasad19 min read
interview-questions

Python Developer Interview Questions and Answers

Python developer interview questions for {year}: core language, OOP, decorators, GIL, asyncio, Django, FastAPI, full stack APIs, pytest, and senior production prep with sample answers.

Deepak Prasad20 min read
interview-questions

Angular Developer Interview Questions and Answers

Angular developer interview questions for {year}: signals, RxJS, standalone components, change detection, zoneless, forms, routing, DI, NgRx, performance, and senior architecture prep.

Deepak Prasad42 min read
interview-questions

Azure Developer Interview Questions and Answers

Azure developer and cloud developer interview questions for {year}: Entra ID, App Service, Functions, AKS, storage, networking, Bicep, CI/CD, and experienced developer scenario prep with sample answers.

Deepak Prasad29 min read
interview-questions

iOS Developer Interview Questions and Answers

iOS developer interview questions for {year}: Swift, SwiftUI, UIKit, ARC, async/await, actors, MVVM, networking, Core Data, XCTest, and Apple/Google iOS loop prep with sample answers.

Deepak Prasad53 min read
interview-questions

ServiceNow Developer Interview Questions and Answers

ServiceNow developer interview questions for {year}: platform tables, client and server scripting, GlideRecord, ACLs, Flow Designer, REST, update sets, ITSM scenarios, and senior prep with sample answers.

Deepak Prasad20 min read
interview-questions

Salesforce Developer Interview Questions and Answers

Salesforce (SFDC) developer interview questions for {year}: Apex, governor limits, triggers, LWC, SOQL, Flow vs code, integrations, security, and senior scenario prep.

Deepak Prasad18 min read
interview-questions

Salesforce Data Engineer Interview Questions and Answers

Salesforce Data Engineer interview questions for {year}: SQL, Data Cloud, CDC pipelines, system design, coding, and behavioral prep for senior and lead roles.

Deepak Prasad47 min read
interview-questions

Senior Android Developer Interview Questions and Answers

Senior Android developer interview questions for {year}: Kotlin, Jetpack Compose, coroutines, MVVM/MVI, offline-first design, performance, and system design with sample answers.

Deepak Prasad23 min read
interview-questions

Java Interview Questions and Answers — Part 1

Java interview questions for {year} (part 1): JVM, OOP, static, polymorphism, and core APIs—grouped questions with answers.

Deepak Prasad31 min read
interview-questions

Java Interview Questions and Answers — Part 2

Java interview questions for {year} (part 2): collections, GC, serialization, threading, records, virtual threads—grouped questions with answers.

Deepak Prasad37 min read
interview-questions

Tableau Developer Interview Questions and Answers

Tableau developer interview questions and answers for {year}: LOD expressions, calculated fields, joins vs relationships, dashboard performance, Tableau Server, RLS, extracts, and scenario-based prep.

Deepak Prasad30 min read
interview-questions

Semiconductor Machine Design Engineer Interview Questions and Answers

Technical interview questions for semiconductor machine design engineers in {year}: vacuum systems, wafer handling, precision motion, GD&T, FEA, thermal design, and troubleshooting for equipment roles at ASML, Lam, and …

Deepak Prasad45 min read
interview-questions

Node.js Developer Interview Questions and Answers

Node.js developer interview questions for {year}: event loop, async patterns, streams, Express, JWT, clustering, worker threads, and senior Node.js technical prep with answers.

Deepak Prasad37 min read