KPMG India Cloud Devops Engineer Interview Questions and Answers for Experienced

Kubernetes architecture is a container orchestration platform that manages containerized applications across a cluster of nodes.

• Kubernetes follows a master-slave architecture with a master node and multiple worker nodes.

• Master node components include API server, scheduler, controller manager, and etcd.

• Worker node components include kubelet, kube-proxy, and container runtime (e.g. Docker).

• Pods are the smallest deployabl...read more

DevOps is a software development methodology that combines software development (Dev) with IT operations (Ops) to shorten the systems development life cycle.

• DevOps focuses on collaboration, automation, and monitoring throughout the software development lifecycle.

• It aims to increase the speed of software delivery, improve reliability, and build scalable and secure systems.

• Tools commonly used in DevOps include Jenkins, D

Playbook to copy files in Ansible

• Use the 'copy' module in Ansible to copy files

• Specify source and destination paths in the playbook

• Run the playbook using 'ansible-playbook' command

Version control tool is a system that records changes to a file or set of files over time so that you can recall specific versions later.

• Tracks changes made to files

• Allows multiple users to collaborate on a project

• Helps in reverting back to previous versions if needed

• Examples: Git, SVN, Mercurial

Annotations are used in Springboot to simplify configuration and reduce boilerplate code.

• Annotations are used to define the behavior of Spring components

• They can be used to define the scope of a bean, inject dependencies, and handle exceptions

• Some commonly used annotations include @Component, @Autowired, and @ExceptionHandler

Java 8 introduced several new features including lambda expressions, streams, and default methods.

• Lambda expressions allow for functional programming and simplify code.

• Streams provide a way to process collections of data in a functional style.

• Default methods allow for adding new methods to interfaces without breaking existing implementations.

• Other features include the Optional class, Date and Time API, and Nashorn Java