Interview Questions & Answer for Puppet
Puppet What is Puppet? How does it works? Explain Puppet architecture Can you compare Puppet to other configuration management tools? Why did you chose to use Puppet?…
Interview Questions & Answer for Security and DevSecOps Complete Guide
Security What is DevSecOps? What its core principals? What security techniques are you familiar with? (or what security techniques have you used in the past?) What the…
Interview Questions & Answer for OpenStack Complete Guide
OpenStack What components/projects of OpenStack are you familiar with? Can you tell me what each of the following services/projects is responsible for?: Nova Neutron Cinder Glance Keystone…
Interview Questions & Answer for Google Cloud Platform
GCP Explain GCP’s architecture What are the main components and services of GCP? What GCP management tools are you familiar with? Tell me what do you know…
Interview Questions & Answer for Azure
Azure Explain Azure’s architecture Explain availability sets and availability zones What is Azure Policy? What is the Azure Resource Manager? Can you describe the format for ARM…
Interview Questions & Answer for MongoDB
What are the advantages of MongoDB? Or in other words, why choosing MongoDB and not other implementation of NoSQL? What is the difference between SQL and NoSQL?…
Interview Questions & Answer for Git
How do you know if a certain directory is a git repository? How to check if a file is tracked and if not, then track it? What…
Interview Questions & Answer for Prometheus
What is Prometheus? What are some of Prometheus’s main features? Describe Prometheus architecture and components Can you compare Prometheus to other solutions like InfluxDB for example? What…
Interview Questions & Answer for Monitoring
Explain monitoring. What is it? What its goal? What is wrong with the old approach of watching for a specific value and trigger an email/phone alert while…
Interview Questions & Answers for Terraform
Explain what Terraform is and how does it works What benefits infrastructure-as-code has? Why Terraform and not other technologies? (e.g. Ansible, Puppet, CloufFormation) True or False? Terraform…
Interview Questions & Answers for Virtualization
Virtualization Explain what is Virtualization What is a hypervisor? What types of hypervisors are there? What are the advantages and disadvantges of bare-metal hypervisor over a hosted…
Interview Questions & Answers for Operating System
Operating System What is an operating system? What is “virtual memory” and what purpose it serves? What is demand paging? What is copy-on-write or shadowing? What is…
Interview Questions & Answers Complete Guide for Linux
Linux What is your experience with Linux? Explain what each of the following commands does and give an example on how to use it: Explain each field…
Networking Interview Questions & Answers Complete Sets
Network What is Ethernet? What is TCP/IP? What is a MAC address? What is it used for? When is this MAC address used?: ff:ff:ff:ff:ff:ff What is an…
AWS Interview Questions & Answers Complete Sets
AWS Global Infrastructure Explain the following Availability zoneRegionEdge location IAM What is IAM? What are some of its features? Given an example of IAM best practices? What…
Cloud Interview Questions & Answers Sets
What is Cloud Computing? What is a Cloud Provider? What are the advantages of cloud computing? Mention at least 3 advantages Pay as you go (or consumption-based…
Jenkins Interview Questions & Answers Sets
What is Jenkins? What have you used it for? Jenkins is an open source automation tool written in Java with plugins built for Continuous Integration purpose. Jenkins…
Interview Questions & Answers Sets on CI/CD
What is Continuous Integration? A development practice where developers integrate code into a shared repository frequently. It can range from a couple of changes every day or…
Interview Questions & Answers Sets on Version Control
What is Version Control? Version control is the sytem of tracking and managing changes to software code.It helps software teams to manage changes to source code over…
Example Questions & Answers during Interview on DevOps Topics
What is DevOps? You can answer it by describing what DevOps means to you and/or rely on how companies define it. I’ve put here a couple of…
What is Pixie and its use cases?
Instant Kubernetes-Native Application Observability Pixie gives you instant visibility by giving access to metrics, events, traces and logs without changing code. Pixie is an open source observability…
Big data development: Its uses in 2021
Big data, as the name suggests, is a collection of data in massive volumes that grow exponentially with time. The data is of a larger size and…
List of Top 5 Web servers in 2021
What is the Web Server? Web server is a computer where the web content is stored. Basically web server is used to host the web sites but…
List of Top 11 Programming Languages in 2021
What are programming language? We all know, to communicate with a person, we need a specific language, similarly to communicate with computers, programmers also need a language…
List of Top 11 Text/Code Editor Software in 2021
What are code editors? A code editors is the place where programmers spend most of their time. A code editors are the text editors designed for editing…
How to force/redirect from http to https using .htaccess
This is the best for www and for HTTPS, for proxy and no proxy users Example Code – 1 – Forcing the domain to serve securely using…
Complete Guide and Tutorials for Routing in Laravel
Routing All Laravel routes are defined in your route files, which are located in the routes directory. These files are automatically loaded by the framework.The routes/web.php file…
Quick Tutorials of Hashicorp Packer
Packer AWS – Builders & Provisionars – aws-ubuntu.pkr.hcl Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world…
List of Free Hosting Providers in 2021
Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked…
Free IT and Software Certifications in 2021
Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked…
