HTTP

Question 1

What is a client?

Answer 1

service requesters
programs (hardware or software) that consume data from elsewhere and then do something with that data

Question 2

What is a server?

Answer 2

the providers (hardware or software) of a resource or service

Question 3

Which HTTP method does a browser issue to a web server when you visit a URL?

Answer 3

Get

Question 4

What three things are on the start-line of an HTTP request message?

Answer 4

1. An HTTP method, a verb (like GET, PUT or POST) or a noun (like HEAD or OPTIONS), that describes the action to be performed
2. The request target, usually a URL, or the absolute path of the protocol, port, and domain are usually characterized by the request context
3. The HTTP version, which defines the structure of the remaining message, acting as an indicator of the expected version to use for the response.

Question 5

What three things are on the start-line of an HTTP response message?

Answer 5

1. The protocol version, usually HTTP/1.1.
2. A status code, indicating success or failure of the request. Common status codes are 200, 404, or 302
3. A status text. A brief, purely informational, textual description of the status code to help a human understand the HTTP message.

Question 6

What are HTTP headers?

Answer 6

HTTP headers let the client and the server pass additional information with an HTTP request or response. An HTTP header consists of its case-insensitive name followed by a colon (:), then by its value.

give additional information describing the request

Question 7

Where would you go if you wanted to learn more about a specific HTTP Header?

Answer 7

MDN

Question 8

Is a body required for a valid HTTP request or response message?

Answer 8

Nope

Question 9

What does fetch() return?

Answer 9

a promise that resolves to a Response object

Question 10

What is the default request method used by fetch()?

Answer 10

get

Question 11

How do you specify the request method (GET, POST, etc.) when calling fetch?

Answer 11

Pass it as a second parameter ( an init object) with method as the property and the desired request method as the value.

ex) const myRequest = new Request(‘flowers.jpg’, {
method: ‘GET’,
headers: myHeaders,
mode: ‘cors’,
cache: ‘default’,
});