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Extreme Networks
Practice questions for the skills this job lists, plus common questions for any interview. These are for practice: we don’t know the employer’s actual questions.
Explain the event loop: what happens between a setTimeout callback and a resolved promise?
JavaScript
What is a closure? Give an example where one is useful.
JavaScript
When would you use a union type versus an interface with optional fields?
TypeScript
What does `unknown` give you that `any` doesn't?
TypeScript
How do goroutines and channels work? How do you avoid a goroutine leak?
Go
Explain merge versus rebase. How do you resolve a conflict?
Git
How would you design a paginated, versioned REST API? Which status codes would you return?
REST APIs
What happens, step by step, when you type a URL into a browser?
Networking
Explain the difference between TCP and UDP and where each is used.
Networking
Explain the CAP theorem with a real example.
Distributed systems
How would you make a payment API idempotent?
Distributed systems
Walk me through a project you built: the design, a hard bug and what you'd change.
This kind of role
Reverse a linked list, then explain its time and space complexity.
This kind of role
How would you design a URL shortener?
This kind of role
What do you know about Extreme Networks's products and customers?
Extreme Networks
Tell me about yourself in two minutes, focused on this role.
About you
Why this company, and why this role?
About you
Tell me about a time you disagreed with a teammate. What happened?
About you