Depex Technologies Senior Devops Engineer Interview Questions and Answers

Q1. Ingress and how sidecar container works ?
Ans. 
Ingress is a Kubernetes resource that manages external access to services, and a sidecar container is a secondary container that runs alongside the main container in a pod.
• Ingress is a Kubernetes resource that acts as an API gateway for incoming traffic to services within the cluster.

• Ingress controllers are responsible for implementing the rules specified in the Ingress resource.

• Sidecar containers are additional contai...read more
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Q2. How services works in k8s
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Services in k8s are abstractions that define a set of pods and a policy for accessing them.
• Services allow communication between different parts of an application within a Kubernetes cluster.

• They provide a stable endpoint for accessing a set of pods, even if the pods are scaled up or down.

• Services can be of different types such as ClusterIP, NodePort, LoadBalancer, and ExternalName.

• ClusterIP services expose the service ...read more
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Q1. Should be strong in devops life cycle
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Q2. Package discussion, reason for resigning current company
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Q1. Reason for job change
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Q1. Terraform templates to create aks
Ans. 
Terraform templates can be used to create AKS clusters.
• Use the azurerm_kubernetes_cluster resource in Terraform to create an AKS cluster.

• Specify the required parameters such as resource group, location, node count, and node size.

• Use the azurerm_kubernetes_service_principal resource to create a service principal for the AKS cluster.

• Use the azurerm_kubernetes_cluster_node_pool resource to create node pools with specific ...read more
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Q2. OpenShift Source to Image
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Q3. Jenkins pipeline end to end
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Q4. Ansible taks done in project
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Ansible was extensively used in the project for configuration management and automation.
• Automated deployment of applications using Ansible playbooks

• Configuration management of servers using Ansible roles

• Automated backup and restore of databases using Ansible scripts

• Automated provisioning of infrastructure using Ansible modules
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Q5. Handled team size and DevSecOps
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Q1. Shell script concepts
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Q2. Istio Service Mesh , Kubernetes Troubleshooting
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Q3. Docker file creation
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Q1. Walk through on recent technical skills
Ans. 
I have recently worked on implementing CI/CD pipelines using Jenkins, Docker, and Kubernetes.
• Implemented Jenkins pipelines for automating build, test, and deployment processes

• Utilized Docker for containerization of applications and services

• Managed Kubernetes clusters for container orchestration

• Integrated monitoring and logging tools like Prometheus and ELK stack
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Q1. CI/CD pipeline definitions
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They given me assignment related to my job

Q1. Docker git kubernetes
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Q1. Basic ctc related and your strength
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Q1. Before cicd and after cicd differences
Ans. 
Before CI/CD, manual processes were used for software deployment, leading to slower release cycles. After CI/CD, automation streamlines the process for faster and more reliable deployments.
• Before CI/CD: Manual deployment processes requiring human intervention

• After CI/CD: Automated deployment pipelines for continuous integration and continuous delivery

• Before CI/CD: Longer release cycles due to manual testing and deploym...read more
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Q2. What is docker used for and how integration happened to cicd before docker
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Docker is used for containerization of applications, allowing for easy deployment and scaling. Before Docker, CI/CD integration was more complex and less efficient.
• Docker is used to create lightweight, portable, self-sufficient containers that can run applications in any environment.

• Before Docker, CI/CD pipelines often relied on virtual machines or manual configurations for deployment and testing.

• Docker simplifies the ...read more
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