Web Servers

Question 1

How does Go handle many requests at the same time?

Answer 1

Go spawns a new goroutine for each request

Question 2

What is an http.ServeMux?

Answer 2

It is a request multiplexer, which essentially a router for HTTP requests.

Question 3

What is a fileserver?

Answer 3

A web server that serves static files from the host machine.

e.g.
- HTML
- CSS
- JS
- Images

Question 4

What is http.Server?

Answer 4

A struct that describes a server configuration

Question 5

What is a readiness endpoint?

Answer 5

Readiness endpoints are commonly used by external systems to check if our server is ready to receive traffic

Question 6

What can make the code of handlers more DRY?

Answer 6

Middleware

Question 7

What other libraries apart from Go standard are used for routing?

Answer 7

1. Gorilla Mux
2. Chi

Question 8

Which type of HTTP request is more common to send JSON data in the requested body?

Answer 8

POST request

Question 9

What is JSON Marshalling?

Answer 9

Marshaling a JSON file refers to the process of converting data structures or object instances into a JSON format

Question 10

What are the JSON keys in the following struct?
type parameters struct {
Name string json:"name"
Age int json:"age"
School struct {
Name string json:"name"
Location string json:"location"
} json:"school"
}

Answer 10

name, age, school, school.name, school.location

Question 11

What are the JSON keys in the following struct?
type parameters struct {
name string json:"name"
Age int json:"age"
}

Answer 11

age

Question 12

What are the JSON keys in the following struct?
type parameters struct {
Name string
Age int
}