internet and its uses

Question 1

internet?

Answer 1

global comp network provides various tech and services using standard communication protocals

Question 2

what is needed to have internet?

Answer 2

computers, severs, switches, routers, cables

Question 3

url?

Answer 3

text based address for web page or any resource on internet

Question 4

what is the world wide web?

Answer 4

collection of resources that exist on a network, resources located on the internet such as web pages
exists inside internet

Question 5

what does a URL contain?

Answer 5

protocol used, domain name, web page or file name, file path

Question 6

2 web protocals

Answer 6

HTTP AND HTTPS

Question 7

HTTP

Answer 7

protocal used t transfer resource such as web pages via world web
uses request codes
communication between web servers and web browsers

Question 8

get

Answer 8

asks web server to transmit a specific resource

Question 9

post

Answer 9

adds content to new page under existing web resource

Question 10

delete

Answer 10

removes the specified resource from web server

Question 11

put

Answer 11

request modifies an existing resource

Question 12

https

Answer 12

secure method of sending data via www
operates using encryption to camouflage data, use method called transport layer security

Question 13

transport layer secuirty

Answer 13

aysemmtric encryption
public and private key
private- controlled by owner of website kept private
public- available to anyone who interacts with server

Question 14

web browser

Answer 14

software, translates raw html code to a readable format for user to understand

Question 15

functions of web browser

Answer 15

storing favourites
user history
multiple tabs
cookies, storing
navigation tools
address bar

Question 16

IP adress

Answer 16

all comp systems connected to internet have unique ip

Question 17

domain name system

Answer 17

keeps record of all contains in existence and maps each of these domains to an ip address

Question 18

outline domain name server (drawing)

Answer 18

request to view website
domain name request to DNS server
return IP adress
ip address store in database
access ip address and retreive resource

Question 19

internet vs www

Answer 19

internet- global network of interconnected comp and devices that allows data transmission and communication

www-subset of internet consisting of interconnected web pages and resources accessed through web browsers its a platform for sharing and accesing info and services

Question 20

what does url stand for

Answer 20

uniform resource locator

Question 21

differences between www and internet

Answer 21

1-internet uses ip adresses while www uses http and https
2-internet is primary hardware based and www is more software oriented
3-internet is a network that connects all computers to other while www is a subset of the internet that is a collection of info
4-internet is a superset of the www and www is a subset of the internet