Zusammenfassung der Ressource
Networking & Server
- A computer network is any combination of computers and other
devices that are connected by a central Internet signal.
- Modem: Internet
Service Provider.
- Router: Hub that
distributes the
internet connection.
- Ethernet cords or
wireless adapters.
- Netwrok media
- Devices: hardware such
as computers, laptops or
even cellphones
- According to what you need, there are different
Types of networks that are based on geographic
proximity.
- LAN
- Network that connects
computer and devices
in a limited
geographical are such
as home, school lab or
office.
- WAN
- A wide area network that covers large
geographical areas such as a country or
the world. It includes telephone lines,
radio waves. The internet is the worlds
largest WAN.
- MAN
- High speed network that connects
local area networks in a
metropolitan area such as a city or
a town.
- PAN
- Network used for communication
among various computer devices,
including telephones and personal
digital assistants, in proximity to
an individual’s body.
- Layout of the various
interconnected elements on a
computer network are Network
Topologies
- Bus
- Data flows on
a central wire.
- ring
- No central connecting
medium, data flows like a cycle.
- Star
- Central
connecting
device with all
data.
- Mesh
- Every host is connected to
every other host on the
network.
- Basic
Architecture is based on Host Roles.
- Peer to
peer
- Connects less than
10 computers. All
computers have
equal capabilities to
use all the resources
available in the
network.
- Client
server
- One computer provides services (server) by
accessing to the hardware, software and
other resource on the network to different
computers (clients) that request the
services. n
- Importance:
- Sharing
- Centered Data Base
- Communication