Tech Support / L1-L3

What is ping? How is it measured?

What is the difference between arrays and slices in Go? How does the capacity of a slice change?

What is a subnet mask? What are ports used for in network protocols?

Middle

ГК Иннотех

What is the difference between TCP and UDP?

/** * Repeating characters * * Write a function that takes a string as input and returns * for each unique character the maximum number of its consecutive repetitions. * * Input: qqffbbaaaffc * Output: a:4 b:1 f:2 c:1 * * Input: bbbbbb * Output: b:6 * * Input: abc * Output: a:1 b:1 c:1 * * Input: aabbcc * Output: a:2 b:2 c:2 * * Input: aaabbbccc * Output: a:3 b:3 c:3 * * Input: a * Output: a:1 * * Input: "" * Output: */

Task: How many usable addresses are there in a /29 mask in IPv4?

What do you mean by responsibility, what do you want to take on yourself?

Principal

Axenix

What is your experience with OpenSearch?

Tell us about PKI and certificates — what operations have been performed with them?.

Are duty shifts and overtime paid?

Can you build CI/CD pipelines from scratch to deploy a system? Automate support, deployment, updates?

Describe the process of delivering software using Jenkins.

Middle

ГК Иннотех

What else will you check using repadmin? What are you trying to see?

Why is atomic called so and how does it work?

What else needs to be checked besides replication?

What is DDL, DML, DCL? What are their differences and examples of commands?

Middle

ГК Иннотех

What are goroutines in Go? How do they differ from OS threads?

What is a domain and how is it related to DNS?

How to use embedding to simulate inheritance in Go?

What is your work schedule?