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2.  Expand IRC. Also, state its functions.
             Ans.   IRC stands for Internet Relay Chat. It allows two or more users to form a (logical) chat room for communicating with each
                  other.
               3.  Name any one application that uses VoIP for communication over the Internet.
             Ans.  Skype
               4.  List three distinctive features of IP.
             Ans.  The three distinctive features of IP are:
                  •  Internet Protocol (IP) is a connectionless protocol
                  •  It does not generate feedback or acknowledgement.
               5.  Why is it advised to use HTTPS instead of HTTP for data communication over the Internet?
             Ans.   Hypertext Transfer Protocol Secure (HTTPS) protocol ensures secure communication over the Internet. It enables data to be
                  transferred in an encrypted format.
               6.  Give the names of any two web browsers.
             Ans.  Google Chrome, Mozilla Firefox
               7.  Differentiate between dynamic webpage and static webpage.

             Ans.                 Static Webpage                               Dynamic Webpage
                   In static web pages, information will remain the same  In  dynamic  web  pages,  the  content  of  pages  may  vary
                   until someone changes it manually.          over time and may also be different for different visitors.
                   A  static  web  page  takes  less  time  to  load  than  a  Dynamic web page takes more time to load.
                   dynamic web page.
               8.  Describe the structure of the URL.
             Ans.  The uniform resource locator (URL) has the following structure:

                  protocol://domain:port/path?query_string#fragment_id
                  protocol: such as HTTP, HTTPS
                  domain: domain name of the server
                  port: Typically 443 for secure pages and 80 for the unsecured ones.
                  path: the location of the resource
                  query string (optional): any related term searched on the URL.

                  For example, https://sia.mic.gov.in/CBSE
               9.  Differentiate between a URL and a domain name.

             Ans.                      URL                                       Domain Name
                   1.  URL is known as Uniform Resource Locator. It is a  1.  The domain name is the textual representation of an IP
                     string that represents the complete web address   address which is relatively more user friendly.
                     of any web page.
                   2. Example: https://www.google.com/         2. Example: google.com

              10.  What is Web Hosting?
             Ans.  Web hosting is posting or uploading a website or a web page on the Internet.
              11.  What do you mean by shared web hosting and free web hosting?
             Ans.   In shared hosting, a single server hosts several domains corresponding to different organizations.  Some servers use shared
                  hosting to provide free space for hosting a few web pages. This is called free web hosting.






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