network types & performance Flashcards
(15 cards)
local area network
based in one small site.
Usually owned and managed by the network owner.
Allows users to connect to the internal servers
wide area network
covers a large geographical area.
It often use third party communication channels, such as connections by internet services providers.
factors on performance of a network
-bandwidth- amount of data that can be sent across a network at once
-number of clients at a time
-number of data collisions
-interface
-distance to travel
-amount of data to transfer
wireless access point
Provides a link between wireless and wired networks.
router
used to transfer data packets between networks.
switch
used to connect devices together on a LAN
network interface controller/card
usually inside a computer so that it is able to connect to a network.
internet
a global network of interconnected networks
DNS server
a server that stores a list of domain names and a list of corresponding ID addresses
protocols
a set of rules that allow devices on a network to communicate with each other.
TCP/IP
TCP- allows packets to be sent and received between computers
IP- in charge of routing and addressing data packets.
HTTP/HTTPS
used to transfer web pages over the internet so that users can view them in a web browser.
FTP
file transfer protocol- used to transfer files across network
SMTP
simple mail transfer protocol- used to send emails to a mail server and between mail servers
POP, IMAP
post office protocol and Internet message access protocol- they receive and store emails from a mail server.
pop will delete an email once it has been downloaded to a device.
imap syncs the messages with an email server so it can be access on other devices.
