Globant Senior Devops Engineer Interview Questions and Answers

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

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

I faced challenges with outdated infrastructure, lack of automation, and siloed teams.

• Outdated infrastructure caused frequent downtime and performance issues.

• Lack of automation led to manual, error-prone processes and slow deployments.

• Siloed teams resulted in communication gaps and inefficiencies in collaboration.

Strength - Problem-solving skills, Weakness - Overcommitting

• Strength: Strong problem-solving skills - able to analyze complex issues and find effective solutions

• Weakness: Tendency to overcommit - sometimes take on too many tasks at once and struggle to meet deadlines

Synechron is a leading digital consulting firm with a strong focus on innovation and cutting-edge technology solutions.

• Synechron has a reputation for delivering high-quality digital solutions to clients across various industries.

• The company values innovation and encourages employees to think outside the box.

• Synechron offers opportunities for professional growth and development through training and mentorship programs.

Collaboration challenges between Development and Operation teams

• Communication gaps leading to misunderstandings

• Conflicting priorities and timelines

• Resistance to change from either team

• Lack of shared goals and objectives

• Difficulty in integrating new technologies or processes

kubectl is a command line tool for interacting with Kubernetes clusters.

• Used to deploy applications, inspect and manage cluster resources, and view logs.

• Can be used to create, delete, and update resources in a Kubernetes cluster.

• Allows for scaling deployments, rolling updates, and debugging applications.

• Provides access to cluster information such as nodes, pods, services, and namespaces.

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

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

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