Building a Network
What is a network?
A network is a connected group of devices
True or False: Every device on the internet needs an address.
True
what does a router do?
chooses best path for data to travel
What are Packets?
data that is being sent over the internet is broken into small pieces
what does DNS stand for?
Domain Name System
What do modems do?
connect internet to service providers
what does IP stand for?
Internet Protocol
redundancy
means there a multiple possible paths
What does each packet contain?
part of the message that will be sent, the destination, and the order information
what does HTTP stand for?
HyperText Transfer Protocol
what is LAN? What does it stand for?
a small network like a school or home.
Local Area Network.
What would happen without addresses?
Without addresses, data would not know where to go, and devices could not communicate.
how is having a router good?
makes sure data gets to the right place, because if one connection fails, data can take another route
Is the final form of a product in bits and pieces or reassembled?
It gets fully reassembled.
what does a DNS do?
DNS translates website names into IP addresses.
Not on the slides: When was the first Iphone released?
2007
What is an IP address comparable to?
a house address, mailing a package
True/False:When one part of the internet goes down, another part will still be available for use, and the data will still get to the user, but will take longer.
True
How are packets a great way of sending and recieving information?
very fast and efficient making it a great option for communicating in a short amount of time.
difference between HTTP and HTTPS?
HTTPS is more secure and encrypted