Internet Basics Flashcards
HTTP
Hypertext Transfer Protocol
URL
Uniform Resource Locator
How many layers in IP layered network model?
Four: Link Layer, Internet Layer, Transport Layer, Application Layer
What happens in the link layer?
Physical transmission of raw bits
What happens in the Internet Layer(IP Layer)?
Establishes connections; routes devices to IP address destinations
What happens in the Transport Layer?
Data is given a sequence number, then broken down and transmitted to the destination
What happens in the Application Layer?
Process to process communication; protocol
DNS stands for?
Domain Name System
Generic top-level domain (gTLD)
.com, .net, .org, .gov, .edu, .art, .cash, etc
What is puny code?
Translates characters from other languages into ascii equivalents
What was the first assigned top-level domain name?
.arpa - used for reverse DNS lookups
Which level of domain name is usually registered?
Second-level
What are response codes?
returned by server from response header; ex. 404: Not Found, 401: Not Authorized
What is browser rendering?
Creating the page in the browser with algorithms to download, parse, layout, and fetch assets
Where is the root of a web server?
It corresponds to a folder on the server
NIC?
Network ID Card
What are the parts of a URL? ex: http://www.funwebdev.com/index.php?page=17#article
http: protocol
www.___.com: domain
index.php: path
page=17: query string
article: fragment
What is user-centric thinking?
How long something “feels” to take as the user; should be less than 2.5 seconds
TTI
Time to Interactive; should be less than 5 seconds
TCP/IP
Transmission Control Protocol/Internet Protocol
A network that is geographically dispersed and may use some form of public or commercial communications network is called a(n)……
WAN
The purpose of the _______ protocol is to ensure the integrity of the communications
TCP
The on-demand use of software and other computing resources hosted at a remote data center (including servers, storage, services, and applications) over the internet is called ________.
Cloud Computing
A(n) _________ website provides accommodations that help individuals overcome barriers such as visual, auditory, physical, and neurological disabilities
Accessible
New Top Level Domains (TLD’s) are coordinated by ______
ICANN
A domain name is a unique text-based internet address corresponding to a unique __________
IP address
A language using text-based syntax intended to extend the power of HTML by separating data from presentation is called _________
XML
A URL is a type of ______
URI
The ________ protocol is a set of rules that controls how data is sent between computers on the internet
HTTP
