Tuesday, September 6, 2016

1.2.3 Internet principes of operation


SHOW UNDERSTANDING OF THE ROLE OF THE BROWSER AND INTERNET SERVER
THE ROLE OF THE BROWSER IS TO INTERPRET THE HTML WHEN IT DOWNLOADS A WEBPAGE FROM AN INTERNET SERVER, IT THEN DISPLAYS THE INTERPRETED INFORMATION AS A WEBPAGE. THE INTERNET SERVER HOSTS ALL THE FILES OF THE WEBSITE, SUCH AS THE IMAGES, TEXT WHICH IS REQUIRED FOR THE WEBSITE


SHOW UNDERSTANDING OF WHAT IS MEANT BY HYPERTEXT TRANSFER PROTOCOL (HTTP AND HTTPS) AND HTML
HYPER-TEXT TRANSFER PROTOCOL (HTTP) IS A SET OF RULES GOVERNING HOW HYPERTEXT GETS TRANSMITTED ACROSS NETWORKS
HYPER-TEXT TRANSFER PROTOCOL SECURE (HTTP) IS A MORE SECURE FORM OF ENCRYPTED TRANSMISSION ACROSS NETWORKS, IT IS NORMALLY USED WHEN YOU REQUIRE A LOGIN TO A WEBSITE OR WHEN PERSONAL INFORMATION IS INVOLVED, FOR EXAMPLE BANKING SYSTEMS, ONLINE SHOPPING ETC.
 


DISTINGUISH BETWEEN HTML STRUCTURE AND PRESENTATION
HTML STRUCTURE CONSISTS OF TAGS AND MARK-UP LANGUAGE, HOWEVER THE PRESENTATION OF HTML IS WEBPAGES AND SUCH THINGS WHEN IT IS INTERPRETED BY THE WEB BROWSER.
 

SHOW UNDERSTANDING OF THE CONCEPTS OF MAC ADDRESS, INTERNET PROTOCOL (IP) ADDRESS, UNIFORM RESOURCE LOCATOR (URL) AND COOKIES
A MAC ADDRESS IS SOMETHING GIVEN TO A NETWORK CARD (ANY NETWORK CAPABLE DEVICE), IT COMPRISES OF 5 SETS OF 2 HEX BITS.
A
N IP ADDRESS IS A NUMBER ASSIGNED TO A COMPUTER WHEN IT IS CONNECTED TO THE INTERNET.
A URL
IS THE WEBSITE NAME WHICH YOU TYPE IN, WHICH IS ACTUALLY A ADDRESS TO FIND THE WEBPAGE IN THE INTERNET. COOKIES ARE SMALL PACKETS OF DATA WHICH GETS STORED IN YOUR COMPUTER

1 comment:

  1. You freekin legend! Cheers for this got my exam tomorrow, just what i needed!
    M

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