Globant Senior Devops Engineer Interview Questions and Answers

Kubernetes is an open-source container orchestration platform that automates the deployment, scaling, and management of containerized applications.

• Kubernetes follows a master-slave architecture with a master node that controls 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).

• Ku...read more

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.

I faced challenges with outdated infrastructure, lack of automation, and siloed teams.

• Outdated infrastructure caused frequent downtime and performance issues.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

CI/CD pipeline is a set of automated processes that allow developers to deliver code changes more frequently and reliably.

• CI/CD stands for Continuous Integration/Continuous Delivery.

• CI involves automatically building and testing code changes frequently to catch errors early.

• CD involves automatically deploying code changes to production after passing tests.

• CI/CD pipelines typically include stages like build, test, deplo...read more

CMD is used to provide default arguments for an executing container, while ENTRYPOINT is used to specify the command that will run when the container starts.

• CMD is optional and can be overridden during container runtime

• ENTRYPOINT is required and cannot be overridden during container runtime

• CMD can be used to provide default arguments to the ENTRYPOINT command