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Question 1

• What is a client?

Answer 1

o The party that initiates communication sessions with servers.
o Service requestor

Question 2

• What is a server?

Answer 2

o A server hosts runs one or more server programs, which share resources with clients.

Question 3

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

Answer 3

o get

Question 4

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

Answer 4

o Requests to be implemented
o Its status of whether successful or failure
o (Start line is always a single line)

Question 5

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

Answer 5

o POST / HTTP/1.1
o GET /background.png HTTP/1.0
o HEAD /test.html?query=alibaba HTTP/1.1
o OPTIONS /anypage.html HTTP/1.0

Question 6

• What are HTTP headers?

Answer 6

o An HTTP header is a field of an HTTP request or response that passes additional context and metadata about the request or response.
o Much like the element in HTML

Question 7

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

Answer 7

o Protocol version, usually/1.1
o Status code (like 404)
o A status Text – brief, purely informational, textual description of the status code

Question 8

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

Answer 8

o No – responses with a status code that sufficiently answer the request without the need for corresponding payload usually do not.