URL - Features,Properties - HTML

Q.  Which of the following statements is true about a URL?
- Published on 26 Aug 15

a. It is used to address a document on the web
b. It is known as Uniform Resource Locator
c. The web pages from the web servers are requested by the URL
d. All of the above

ANSWER: All of the above


  • Nirja Shah   -Posted on 09 Nov 15
    - If you've been surfing the Web, you have undoubtedly heard the term URL and have used URLs to access HTML pages from the Web.

    - It's often easiest, although not entirely accurate, to think of a URL as the name of a file on the World Wide Web because most URLs refer to a file on some machine on the network.

    - However, remember that URLs also can point to other resources on the network, such as database queries and command output.


    URL is an acronym for Uniform Resource Locator and is a reference (an address) to a resource on the Internet.

    - A URL has two main components:

    1. Protocol identifier: For the URL http://example.com, the protocol identifier is http.
    2. Resource name: For the URL http://example.com, the resource name is example.com.

    - Note that the protocol identifier and the resource name are separated by a colon and two forward slashes.

    - The protocol identifier indicates the name of the protocol to be used to fetch the resource.

    - The example uses the Hypertext Transfer Protocol (HTTP), which is typically used to serve up hypertext documents.

    - HTTP is just one of many different protocols used to access different types of resources on the net.

    - Other protocols include File Transfer Protocol (FTP), Gopher, File, and News.

    - The resource name is the complete address to the resource.

    - The format of the resource name depends entirely on the protocol used, but for many protocols, including HTTP, the resource name contains one or more of the following components:

    - Host Name
    The name of the machine on which the resource lives.

    - Filename
    The pathname to the file on the machine.

    - Port Number
    The port number to which to connect (typically optional).

    - Reference
    A reference to a named anchor within a resource that usually identifies a specific location within a file (typically optional).

    - For many protocols, the host name and the filename are required, while the port number and reference are optional.

    - For example, the resource name for an HTTP URL must specify a server on the network (Host Name) and the path to the document on that machine (Filename); it also can specify a port number and a reference.

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