DevOps

Can you list the main commands used by a Linux administrator to manage the system?

What happens when you run 'kubectl apply -f deployment.yaml'? Describe the sequence of events in a Kubernetes cluster.

Senior

Wildberries

Can you explain how data exchange occurs between RAM and disk when using swap memory?

How does the compilation stage of source files into an executable binary file occur in Linux?

What are the ways to start editing a file in the Vim editor?

Junior — Middle

СБЕР

What methods ensure data consistency between hypervisors in a virtualized infrastructure?

Have you ever faced a situation where you disagreed with criticism directed at you, and how did you handle it?

How to deploy and run PostgreSQL inside a Docker container?

How is the process of obtaining a TLS certificate for website protection carried out?

Give an example of mutable and immutable data types.

Can you explain what polymorphism means in object-oriented programming?

What reasons can cause multiple users to be unable to connect to the server simultaneously using the same account via SSH?

Can you share your experience working on various projects?

How would you act if you were handed over server management from another employee, and you needed to describe it in Confluence, but you have no idea what this server is, only access keys?

What is the difference between Agile methodology and ITSM approach in IT process management?

What methods can be used to verify the correctness of DNS name resolution?

Explain what caching means inside GitLab and how it works.

Where in the pipeline should new infrastructure be connected, and should it be prepared in advance?

How to distinguish ReplicaSet, Deployment, StatefulSet, and DaemonSet by functionality and application in Kubernetes?

Junior — Middle

Гринатом

What is abstraction in software development?