Question

URL must contain a host name
WHAT DOES THIS MEAN ???

Answer 1

host name is an internet address or a domain name with a prefix

Answer 2

Answer:

An URL is defined as Uniform Resource Identifier.

An URL supports the web browser and web browser displays the URL on the web page at the top of the address bar. An URL is used to represent the location of a resource on the internet. An URL includes the protocol and host name.

A host name is the unique name that is used to connect the network. A host name includes two parts Domain name (www -  world wide web) and sub domain (example.com).

Example:

URL - http://www.example.com/index.html

Protocol – http (Hypertext Transfer Protocol)

A host name – www.example.com      

File name – index.html