http messages Flashcards

1
Q

What is a client?

A

a client is a service requester

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2
Q

What is a server?

A

a server receives requests and provides data services or function and sends them as a response

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3
Q

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

A

http request methods (main methods like GET, POST, PUT, DELETE)

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4
Q

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

A
  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.
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5
Q

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

A
  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.
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6
Q

What are HTTP headers?

A

HTTP headers are used to pass additional information between client and server through an HTTP request or response. (meta information)

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7
Q

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

A

devtool network tab??

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8
Q

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

A

no.

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