What happens if an SSL/TLS certificate expires? Can it be bypassed?
Middle
523
Tech Support / L1-L3
157
0
Knowledge of proxy operation principles, load balancing?
Middle
472
List the main Linux commands for managing the server, file system, processes, and network.
Middle
419
List the components of an Apache Kafka cluster.
Middle
406
How is access rights restriction implemented in Kafka cluster? What entities do ACLs apply to?
Middle
397
Have you had conflicts at your previous job? Are you ready to work with difficult clients?
Junior
396
What were the technical tasks within the search service in your current company?
Principal
392
What are TLS and mTLS? What is the difference between them?
Middle
391
What motivates you to work at A1? What are your salary expectations?
Junior
385
What authentication protocols do you know?
Middle
382
What is the difference between the rate() and increase() functions in PromQL?
Middle
377
What are channels in Go? The difference between buffered and unbuffered channels.
Principal
375
What opportunities are there for career development and transition to other roles (e.g., DevOps)?
Middle
370
How is a user authenticated from a non-domain computer when connecting to domain services?
Middle
368
What is DNS and how does it work?
Junior
362
If the domain controller is unavailable, will the user be able to log in to the system?
Middle
359
What is DNS and how does it work? What are the main nodes in this system?
Principal
357
How did your IP address appear on your network adapter? What is DHCP and how does it work?
Junior
355
What version of IP address is this? How does IPv4 differ from IPv6?
Junior
347
1832. Check if the Sentence Is Pangram A pangram is a sentence where every letter of the English alphabet appears at least once. Given a string sentence containing only lowercase English letters, return true if sentence is a pangram, or false otherwise. Example 1: Input: sentence = "thequickbrownfoxjumpsoverthelazydog" Output: true Explanation: sentence contains at least one of every letter of the English alphabet. Example 2: Input: sentence = "leetcode" Output: false Constraints: - 1 <= sentence.length <= 1000 - sentence consists of lowercase English letters.
Middle
344