Coditas Technologies Devops Engineer Interview Questions and Answers

A Dockerfile is a text document that contains all the commands a user could call on the command line to assemble an image.

• Dockerfile is used to build Docker images by specifying the base image, adding dependencies, and defining commands to run.

• Each instruction in a Dockerfile creates a layer in the image.

• Common instructions in a Dockerfile include FROM, RUN, COPY, CMD, and ENTRYPOINT.

• Example: FROM ubuntu:latest, RUN ap

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

• Kubernetes follows a master-slave architecture

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

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

• Pods are the smallest deployable units in Kubernetes

• Services enable communication between d

Terraform life cycle involves planning, creating, applying, and destroying infrastructure resources.

• Terraform plan: Generates an execution plan showing what will be done.

• Terraform apply: Executes the actions proposed in the plan.

• Terraform destroy: Destroys the Terraform-managed infrastructure.

• Terraform refresh: Updates the state file against real resources.

• Terraform validate: Validates the configuration files.

• Terraform...read more

I am a DevOps Engineer with 5 years of experience in managing and automating infrastructure, CI/CD pipelines, and cloud platforms.

• I have expertise in tools like Jenkins, Docker, Kubernetes, and AWS.

• I have successfully implemented continuous integration and delivery processes in previous roles.

• I have experience in scripting languages like Python and Bash.

• I am skilled in infrastructure as code using tools like Terraform ...read more

I have a strong background in DevOps and possess the necessary skills and experience to excel in this role.

• I have a deep understanding of DevOps principles and practices

• I have experience working with various DevOps tools and technologies such as Docker, Kubernetes, Jenkins, and Ansible

• I have successfully implemented CI/CD pipelines and automated deployment processes

• I have strong scripting and programming skills, allowi...read more

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).

• Nodes communicate with each oth...read more

A Dockerfile is a text document that contains all the commands a user could call on the command line to assemble an image.

• Dockerfile is used to build Docker images by specifying the base image, adding dependencies, and defining commands to run.

• Each instruction in a Dockerfile creates a layer in the image, allowing for efficient reuse of layers.

• Examples of Dockerfile instructions include FROM, RUN, COPY, and CMD.

• Dockerf...read more

A Dockerfile is a text document that contains all the commands a user could call on the command line to assemble an image.

• Dockerfile is used to build Docker images by specifying the base image, adding dependencies, and defining commands to run.

• Each instruction in a Dockerfile creates a layer in the image.

• Common instructions in a Dockerfile include FROM, RUN, COPY, CMD, and ENTRYPOINT.

• Example: FROM ubuntu:latest, RUN ap

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

• Kubernetes follows a master-slave architecture

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

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

• Pods are the smallest deployable units in Kubernetes

• Services enable communication between d

Terraform life cycle involves planning, creating, applying, and destroying infrastructure resources.

• Terraform plan: Generates an execution plan showing what will be done.

• Terraform apply: Executes the actions proposed in the plan.

• Terraform destroy: Destroys the Terraform-managed infrastructure.

• Terraform refresh: Updates the state file against real resources.

• Terraform validate: Validates the configuration files.

• Terraform...read more

I am a DevOps Engineer with 5 years of experience in managing and automating infrastructure, CI/CD pipelines, and cloud platforms.

• I have expertise in tools like Jenkins, Docker, Kubernetes, and AWS.

• I have successfully implemented continuous integration and delivery processes in previous roles.

• I have experience in scripting languages like Python and Bash.

• I am skilled in infrastructure as code using tools like Terraform ...read more

I have a strong background in DevOps and possess the necessary skills and experience to excel in this role.

• I have a deep understanding of DevOps principles and practices

• I have experience working with various DevOps tools and technologies such as Docker, Kubernetes, Jenkins, and Ansible

• I have successfully implemented CI/CD pipelines and automated deployment processes

• I have strong scripting and programming skills, allowi...read more