Interview prep,
without the guesswork.
Use these questions to practice clear, concise explanations of core DevOps concepts.
01What is DevOps?+
A set of practices and a culture that bring development and operations closer together. Teams use automation and feedback to deliver changes reliably.
02What is a Linux process?+
A running instance of a program. The operating system assigns it a process ID (PID), resources and a lifecycle.
03What is a container?+
A process isolated using operating-system features and packaged with its application dependencies. Containers share the host kernel.
04What is a Docker image?+
A read-only template used to create containers. Images are built in layers and can be versioned and shared through registries.
05What does Terraform plan do?+
It compares the declared configuration with known state and provider data, then previews proposed changes without applying them.
06What is least privilege?+
Granting a user, role or service only the permissions it needs, for only the resources and time it needs them.
07What is a VPC?+
A logically isolated virtual network in AWS where you define address ranges, subnets, routes and traffic controls.
08How do you troubleshoot an unavailable service?+
Check scope and recent changes, confirm DNS and connectivity, inspect health and logs, then test dependencies and roll back or mitigate carefully.