Echo quiz

Test your Echo knowledge with a free interactive quiz — 20 questions with answers and explanations. No signup needed to play.

What is Echo, in the context of Go web development?

1. What is Echo, in the context of Go web development?
2. What is the purpose of Echo's built-in CORS middleware (`middleware.CORS()`)?
3. What does `c.JSON(statusCode, data)` do in an Echo handler?
4. What does `e.Static("/static", "assets")` do in Echo?
5. Why might a team choose Echo specifically over Go's standard library `net/http` package alone for building an API?
6. What is Echo "middleware," and how is it typically applied?
7. What is the purpose of Echo's built-in `middleware.Recover()`?
8. What does `e.Logger` provide in an Echo application?
9. What does `c.Bind(&struct)` do in an Echo handler?
10. How would you register middleware that only applies to a specific route (rather than the whole application)?
11. How would you retrieve a URL path parameter (e.g. `:id` in `/users/:id`) inside an Echo handler?
12. How does an Echo handler function typically signal that an error occurred while processing a request?

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