Networking 1 Flashcards
End device examples
- Desktop Computer
- Laptop
- Printer
- IP Phone
- Wireless Tablet
Client and server software usually run on separate computers, but it is also possible for one computer to be used for both roles at the same time.
Peer-to-Peer
either the source or destination of a message transmitted over the network
end device
connect the individual end devices to the network
Intermediary devices
Data is encoded into electrical impulses
Metal wires within cables
Data is encoded into pulses of light
fiber-optic cable
Data is encoded via modulation of specific frequencies of electromagnetic waves
Wireless transmission
All computers that are connected to a network and participate directly in network communication are classified
Hosts
Intermediary Devices Example
- Wireless Router
- LAN Switch
- Router
- Firewall appliance
- Multilayer switch
Network Media
- Wireless Media
- LAN Media
- WAN Media
physically connects the end device to the network
Network Interface Card
A connector or outlet on a networking device where the media connects to an end device or another networking device.
Physical Port
Specialized ports on a networking device that connect to individual networks. Because routers connect networks, the ports on a router are referred to as network interfaces.
Interface
illustrate the physical location of intermediary devices and cable installation
Physical Topology
illustrate devices, ports, and the addressing scheme of the network
Logical topology
allows computers in a home office or a remote office to connect to a corporate network, or access centralized, shared resources.
Small Office and Home Office Network
connect a few computers to each other and to the internet
Small Home Network
such as those used by corporations and schools, can have many locations with hundreds or thousands of interconnected hosts.
Medium to large networks
The internet is a network of networks that connects hundreds of millions of computers world-wide.
World Wide Networks
a network infrastructure that spans a small geographical area
LAN
network infrastructure that spans a wide geographical area.
WAN
worldwide collection of interconnected networks
internet
designed to be accessible only by the organization’s members, employees, or others with authorization.
intranet
- a private network similar to an intranet, but typically open to external parties, such as business partners, suppliers, key customers
- might an organization use to provide secure and safe access to individuals who work for a different organization but require access to the organization’s data
extranet