What happens if an SSL/TLS certificate expires? Can it be bypassed?
Tech Support / L1-L3
Knowledge of proxy operation principles, load balancing?
List the main Linux commands for managing the server, file system, processes, and network.
List the components of an Apache Kafka cluster.
How is access rights restriction implemented in Kafka cluster? What entities do ACLs apply to?
Have you had conflicts at your previous job? Are you ready to work with difficult clients?
What were the technical tasks within the search service in your current company?
What are TLS and mTLS? What is the difference between them?
What motivates you to work at A1? What are your salary expectations?
What authentication protocols do you know?
What is the difference between the rate() and increase() functions in PromQL?
What are channels in Go? The difference between buffered and unbuffered channels.
What opportunities are there for career development and transition to other roles (e.g., DevOps)?
How is a user authenticated from a non-domain computer when connecting to domain services?
What are indexes in databases and what are they for? How do they work?
What is DNS and how does it work?
If the domain controller is unavailable, will the user be able to log in to the system?
What is DNS and how does it work? What are the main nodes in this system?
How did your IP address appear on your network adapter? What is DHCP and how does it work?
What version of IP address is this? How does IPv4 differ from IPv6?