DevOps

How long do you usually try to solve a problem on your own before seeking help if it fails?

Do you have practical experience working with the MongoDB database?

Junior — Middle

OZON

In what cases does the OOM Killer mechanism in Linux get triggered to terminate processes?

Junior — Middle

МТС

Can you explain what a hash function is and how it is used to obtain a hash sum?

Junior — Middle

Т-Банк

How to install an alternative version of Python that is not used by default on Astre?

Can you explain the concepts of limits and resource requests in Kubernetes?

How can the amount of virtual memory used by a specific process be determined?

Can you explain how the HTTP protocol works and its main data transfer principles?

Do you have an understanding of the basics of modern operating system architecture?

How did you implement role management in your system?

What steps are necessary to open a network port on a computer system?

What stages occur in the system from its startup to the moment a user or process logs in?

What are the disadvantages of shell modules in Ansible for task automation?

Can you describe your experience interacting with various services and the specific tasks you performed with them?

If a specific playbook specifies three tasks, what is the total number that will be executed?

Junior — Middle

VK Teams

Explain what is meant by the term Docker in the context of its use as an executable file.

How do you inject secrets from Vault into an application? For example, to connect to a database at pod startup.

What information does the pom.xml file in Maven contain and how is it used during project build?

Can you explain the concept and main purpose of Docker Swarm?

How is the management of network resources carried out and access to them controlled?