Networks Flashcards
LAN
local area network (limited geographical area)
Wireless LAN
no physical wires
WAN
Wide area network (covers large geographical area)
MAN
Metropolitan area network (connects Lans in metropolitan area)
PAN
Personal Area Network (wireless and wires)
Client-server network
client- sends requests from user to server
server- sends data back to user
Peer-to-peer example?
skype (both are clients and servers)
What’s an example of a network interface, and what does it do?
ethernet
-directly connects to network
-control flow of data between RAM and network cable
-convert computer digital signals into type needed by network
infrared, line of sight, broadcast radio, cellular radio, microwave radio, and satellite communications are all examples of:
Wireless media
POTS, twisted pair (category 5), coaxial cable, and fiber optic are all examples of:
Physical media
What does transmission media do?
Carries communication signals
What is special about broad band media?
Transmits multiple signals simultaneously
What is bandwidth?
Amount of data, instructions, and info that can travel over transmission media
What is latency?
Time it takes a signal to travel from one location to another on a network
Internet vs www?
www = prt of internet
