Hardware & Software Needed For LAN and WAN

uptightexampleΔίκτυα και Επικοινωνίες

24 Οκτ 2013 (πριν από 3 χρόνια και 11 μήνες)

74 εμφανίσεις

Hardware & Software Needed For LAN and WAN

Network Interface Card


connects the device to the network and
allows communication between the computer

Wireless Access Point (WAP)


connected to the network by a cable
and positioned so that it can send and receive the wireless signal

Modem


converts digital to analogue signals and back again

Router


sends info between networks using the topology by selecting
the best path. Translates information between networks. Can connect a
LAN to a WAN

Hub


joins lots of computers to the network via a single link. Signals
received on any port are transmitted to all other ports.

Switch


receives data, examines it and then sends it to the appropriate
port.

Hardware & Software cont.

Gateway


connects and passes packets between two network
segments that use different communication protocols

Bridge


connects and passs packets between two network segments
that use the same communication protocols

Repeater


Used to strengthen a signal as I is passed along a network
cable. Over a distance, a signal would degrade

Server


controls aspects of the computer

Eg printer server


internet server