Networking Flashcards
(47 cards)
What is a network?
When computers are connected, directly or through a server. A network can also be a method of accessing the internet.
Define server
An external device which devices connect to to exchange emails, files etc
Define client
The device with sends and receives data
Define communication medium
The method of communication which is established between a client and server
Define network adapter
A piece of hardware which connects the client to the internet.
Define wireless access point
A piece of hardware which broadcasts a wireless signal.
Define network resources
Something that can be accessed by anyone on the network, eg: printer
Define users
The people who operate on the network
Define protocols
Defines the network rules which control the communication process
Define TCP
Takes your data and breaks it into smaller units. Puts it back into the correct order on the receiving end
Define IP
IP (Internet Protocol) essentially is the internet, it relays data on the internet.
Provides an addressing scheme for devices directly linked to the internet
Define POP3
POP3 (Post Office Protocol 3) is the newest protocol for receiving email.
Define SMTP
SMTP (Simple Mail Transfer Protocol) the way email is sent
Define HTTP
Hypertext Transfer Protocol - used to transmit HTML pages
Define HTTPS
HTTPS - secure version of HTML used to things such as online banking
Define FTP
File Transfer Protocol - Used to copy files from one computer to another over a network.
Disadvantages of a network
Hacking Viruses spread quicker Expensive Unsecure at times Reliance on one central server
Advantages of a network
Access to much more than local data Communication between people Offsite storage Access to wireless devices Network resources can be shared Security - access rights
Define WAN
Wide Area Network - A type of network where systems are connected over a large space, more than 1km. Achieved with cable
Define LAN
Local Area Network - A type of network where systems are connected over a small space, usually within a room or a few buildings. Usually achieved with Ethernet within the campus or wireless
Define PAN
Personal Area Network - A type of network where the systems are connected within 10 meters. EG: printers and a computer. Usually uses bluetooth.
Define Standalone
A standalone is a single machine which connects within itself.
Define network topology
Defines the way in which the network devices are put together (connected)
Explain how a Bus network works
A bus network is when systems are directly connected in a linear form. Each end of the bus network has a terminator
