What happens if an SSL/TLS certificate expires? Can it be bypassed?
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354
Tech Support / L1-L3
157
0
What opportunities are there for career development and transition to other roles (e.g., DevOps)?
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261
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.
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256
What is sharding and replication? What are they used for?
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197
How does the HTTPS protocol work? Describe the process of establishing a secure connection, encryption, and key management.
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187
What is Kubernetes and what is this system designed for?
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172
What are requests and limits in Kubernetes? What does requests specify?
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171
How does Kubernetes use cgroups to manage resource limits?
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170
What is the difference between PostgreSQL and ClickHouse? When should you use each of them?
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168
What happens when a container exceeds the CPU limit?
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167
What mechanism in Kubernetes restarts a container when it exceeds the memory limit?
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166
What are partitions in Kafka? How do they differ from topics and what are they used for?
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160
What is the purpose of StatefulSet in Kubernetes?
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158
What are indexes in databases and what are they for? How do they work?
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153
How many people are in the team? What roles are represented?
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149