Interview preparation
Interview questions & answers
Questions and answers for Linux, DevOps, cloud, databases, networking and HR rounds. Practise them before your next interview.
● 29 free guidesAll question banks29 guides
Linux Interview Questions and Answers for Beginners (2026)
Linux interview questions and answers for freshers: kernel and distributions, file system, permissions, inodes, links, processes, services and…
4 min read 02Basic HR Interview Questions and How to Answer Them
Common HR interview questions with tips and sample answers: tell me about yourself, strengths and weaknesses, why this…
4 min read 03Basic Computer Interview Questions and Answers for Freshers
Basic computer interview questions and answers for freshers and IT support roles: hardware, memory, operating systems, networking and…
4 min read 04Operating System Interview Questions and Answers
Operating system interview questions and answers: processes, threads, scheduling, deadlock, memory, paging, virtual memory, interrupts and file systems.
4 min read 05CCNA Interview Questions and Answers for Networking Jobs (2026)
CCNA interview questions and answers for network engineer roles: OSI, subnetting, VLANs, STP, routing, OSPF, NAT, ACLs, DHCP…
4 min read 06Apache Tomcat Interview Questions and Answers (2026)
Apache Tomcat interview questions and answers: architecture, ports, config files, WAR deployment, the jakarta namespace, tuning and security.
4 min read 07Nginx Interview Questions and Answers (2026)
Nginx interview questions and answers: architecture, server blocks, location matching, reverse proxy, load balancing, caching, TLS and debugging.
4 min read 08MySQL Interview Questions and Answers (2026)
MySQL interview questions and answers: InnoDB, keys and indexes, joins, transactions, replication, backups, versions, security and query tuning.
4 min read 09PostgreSQL Interview Questions and Answers (2026)
PostgreSQL interview questions and answers: MVCC, VACUUM, indexes, JSONB, replication, backups with pg_dump and WAL, roles and performance…
4 min read 10MongoDB Interview Questions and Answers (2026)
MongoDB interview questions and answers: documents and BSON, CRUD, indexes, the aggregation pipeline, replica sets, sharding, transactions and…
4 min read 11Redis Interview Questions and Answers (2026)
Redis interview questions and answers: data types, RDB and AOF persistence, eviction policies, replication, Sentinel, Cluster, caching and…
4 min read 12Microsoft SQL Server Interview Questions and Answers
SQL Server interview questions and answers: authentication, recovery models, backups, clustered vs non-clustered indexes, isolation levels and Always…
4 min read 13MariaDB Interview Questions and Answers (2026)
MariaDB interview questions and answers: MariaDB vs MySQL, storage engines, Galera Cluster, replication, backups, indexes, security and performance…
3 min read 14SQLite Interview Questions and Answers
SQLite interview questions and answers: how SQLite works, type affinity and STRICT tables, transactions and WAL mode, indexes,…
4 min read 15Oracle Database Interview Questions and Answers (SQL and PL/SQL)
Oracle interview questions and answers: architecture, instance vs database, tablespaces, NVL, DELETE vs TRUNCATE, indexes, PL/SQL and RMAN…
4 min read 16Cloud Computing Interview Questions and Answers (2026)
Cloud computing interview questions and answers: service and deployment models, shared responsibility, scaling, high availability and security.
4 min read 17Google Cloud (GCP) Interview Questions and Answers (2026)
Google Cloud interview questions and answers: projects and IAM, Compute Engine, GKE, Cloud Run, Cloud Storage, BigQuery, VPC…
4 min read 18AWS Interview Questions and Answers (2026)
AWS interview questions and answers: EC2, S3, IAM, VPC, security groups vs NACLs, load balancers, RDS vs DynamoDB,…
4 min read 19Microsoft Azure Interview Questions and Answers (2026)
Azure interview questions and answers: Resource Manager, Entra ID, VMs, App Service, AKS, Functions, storage tiers, NSGs, Key…
4 min read 20Shell Scripting Interview Questions and Answers (Bash, 2026)
Shell scripting interview questions and answers for Linux and DevOps roles: variables, special parameters, exit codes, loops, quoting,…
4 min read 21Python Interview Questions and Answers (2026)
Python interview questions and answers: data types, mutability, lists vs tuples, comprehensions, decorators, generators, the GIL and exceptions.
4 min read 22DevOps Interview Questions and Answers (2026)
DevOps interview questions and answers: culture, CI/CD, IaC, containers, Kubernetes, monitoring, DORA metrics, deployment strategies and DevSecOps.
4 min read 23Jenkins Interview Questions and Answers (2026)
Jenkins interview questions and answers: CI/CD basics, pipelines and Jenkinsfiles, agents, plugins, credentials, shared libraries and security.
4 min read 24Ansible Interview Questions and Answers (2026)
Ansible interview questions and answers: architecture, inventory, playbooks, modules, roles, variables, handlers, Vault, idempotency and troubleshooting.
4 min read 25Git Interview Questions and Answers (2026)
Git interview questions and answers: staging, branching, merge vs rebase, reset vs revert, stash, cherry-pick, conflicts, hooks and…
4 min read 26Docker Interview Questions and Answers (2026)
Docker interview questions and answers for freshers and experienced engineers: images, containers, Dockerfiles, volumes, networking, Compose and security.
5 min read 27Job Interview Tips and Tricks for IT and Cybersecurity Roles
Practical job interview tips for IT and cybersecurity roles: research, the STAR method, technical rounds, online interviews, dress…
3 min read 28Linux System Administrator Interview Questions: Scenario-Based (2026)
Scenario-based Linux system administrator interview questions: full disks, high load, boot failures, SSH problems, permissions, networking and security.
5 min read 29DevSecOps Engineer Interview Questions and Answers (2026)
DevSecOps interview questions and answers: shift-left security, SAST, DAST and SCA, secrets, SBOMs, supply chain, containers and Kubernetes.
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