The internet and the World Wide Web (WWW)

is used to display content on browsers.

All websites are written in HTML and hosted on ........................ that
has its own .....................

• web server/IP address

• server/web site

• remoted system/operating system

• computer/location in the Internet

To get content pages from a website your browser needs
to know this .................

Describe the term DNS?

Which option represents stage 1 in the picture?

• he user opens their browser and types in the URL (www.hoddereducation.co.uk)
  and the browser asks the DNS server (1) for the IP address of the website.
  

• DNS server can’t find www.hoddereducation.co.uk
  in its database or its cache, so it sends out a request to a DNS server (2).

• The DNS server (2) finds the URL and can map it to 107.162.140.19; this IP
  address is sent back to the DNS server (1) which now puts this IP address
  and associated URL into its cache/database.

• This IP address is then sent back to the user’s computer.
  

• The computer now sets up a communication with the website server and the
  required pages are downloaded. HTML files are sent from the website server
  to the computer. The browser interprets the HTML, which is used to structure
  content, and then displays the information on the user’s computer.

Which option represents stage 3 in the picture?

• he user opens their browser and types in the URL (www.hoddereducation.co.uk)
  and the browser asks the DNS server (1) for the IP address of the website.
  

• DNS server can’t find www.hoddereducation.co.uk
  in its database or its cache, so it sends out a request to a DNS server (2).

• The DNS server (2) finds the URL and can map it to 107.162.140.19; this IP
  address is sent back to the DNS server (1) which now puts this IP address
  and associated URL into its cache/database.

• This IP address is then sent back to the user’s computer.
  

• The computer now sets up a communication with the website server and the
  required pages are downloaded. HTML files are sent from the website server
  to the computer. The browser interprets the HTML, which is used to structure
  content, and then displays the information on the user’s computer.

Which option represents stage 5 in the picture?

• he user opens their browser and types in the URL (www.hoddereducation.co.uk)
  and the browser asks the DNS server (1) for the IP address of the website.
  

• DNS server can’t find www.hoddereducation.co.uk
  in its database or its cache, so it sends out a request to a DNS server (2).

• The DNS server (2) finds the URL and can map it to 107.162.140.19; this IP
  address is sent back to the DNS server (1) which now puts this IP address
  and associated URL into its cache/database.

• This IP address is then sent back to the user’s computer.
  

• The computer now sets up a communication with the website server and the
  required pages are downloaded. HTML files are sent from the website server
  to the computer. The browser interprets the HTML, which is used to structure
  content, and then displays the information on the user’s computer.

.................. it is used to remember user preferences each time they
visit the website

There are ........... types of cookie

There are two types of cookie:

• session cookie

  persistent cookie.
  

• section cookie

  permanent cookie.

• temporary cookies

  persistent cookie.

• session cookie

  persistent cookie

  permanent cookie