Midterm Flashcards
IP Addressing
provides unique, global addressing for every computer
formed by 32 bits of data
divided into two parts: network address and host address
Domain Name System
service which translates names to IP addresses
introduced to easily identify hosts; translation between names and numbers
What does TCP stand for
transmission control protocol;
breaks down into packets, transmits packets, provides delivery info
What does IP stand for
provides addressing info and reassembles message
Backbone
not a single backbone but many connecting ISP locations and NAP’s
NAP’s
Network access points are locations where different ISP connect, therefore passing traffic from one to another
once connected to an ISP the packets will travel towards the destination through a series of intimidating hosts called gateways and routers
Hops
number of hops are the distance the packets travel.
each hop is a router between the source and its destination
Traceroute
a computer network diagnostic tool for displaying the route and measuring transit delays of packets across and IP network. Measuring the number of hops
What is a URL
Uniform Resource Locator
uniquely identifies a file in web server
the address of the world wide web
HTML
the language of the web
Dynamic HTML
extensions to HTML to allow display of content
sum of 3 components;
HTML, Javascript, CSS (cascading style sheets)
three components glued together with the document object model
CSS
cascading styles sheets
language for describing the presentation of the webpage
colours, layouts, fonts
Javascript
object-oriented computer programming language commonly used to create INTERACTIVE AFFECTS with web browser
DOM
Document Object Model
standard set of objects for HTML and XML docs. Standard model of how these objects can be combined, interface for accessing them, and manipulating them.
Static HTML
unchanged or constant
static web pages contain the same prebuilt content each time the page is loaded
