Basic WEB Concepts and HTTP Protocol Network Programming

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What is the main purpose of HTTP?

To create hypertext documents

To provide a way to publish and retrieve HTML pages

To describe the semantic value of textual data

To transfer or convey information on the World Wide Web (correct)

Which organizations coordinated the development of HTTP?

W3C and IETF (correct)

ISO and IEEE

FCC and FDA

ICANN and ITU

What document defines the version of HTTP currently in common use?

RFC 2001

RFC 2020

RFC 2616 (correct)

RFC 1999

What is the significance of HTML in relation to HTTP?

HTML specifies links to other documents identified by URLs Signup and view all the answers

Which protocol do web browsers use to communicate with web servers?

HTTP (Hyper Text Transfer Protocol) Signup and view all the answers

What does URI stand for in the context of web concepts?

Uniform Resource Identifier Signup and view all the answers

What is the role of the origin server in HTTP transactions?

Creates or stores resources like HTML files and images Signup and view all the answers

In the context of HTTP, what is the function of a user agent?

Making an HTTP request on behalf of the client Signup and view all the answers

What is the primary purpose of a URL in network programming?

To identify the location of a resource on the Internet Signup and view all the answers

Which statement accurately describes how HTTP can be implemented?

HTTP can be implemented on top of any protocol providing reliable transport Signup and view all the answers

What is the function of an HTTP client in initiating a request?

Establishing a TCP connection to a specific port Signup and view all the answers

Why does HTTP only presume a reliable transport in its implementation?

To enable implementation on various networks with reliable transport protocols Signup and view all the answers

What is the purpose of the Uniform Resource Identifiers (URIs) in HTTP?

To identify resources to be accessed Signup and view all the answers

In an HTTP request message, what follows the request line?

An empty line followed by an optional message body Signup and view all the answers

What is the significance of the Host header in an HTTP request?

It identifies the host and port of the requested resource Signup and view all the answers

How does an HTTP client typically initiate a connection with a server?

By sending a GET request with information about the file it wants Signup and view all the answers

What is the purpose of an empty line in an HTTP request message?

To separate the request line from the headers Signup and view all the answers

Why must all headers except Host be optional in an HTTP/1.1 protocol?

To reduce unnecessary data overhead in requests Signup and view all the answers