The layer2, Datalink layer is responsible for moving frames from one hop(node)to the next. And the layer3 which is network layer is responsible for the delivery of individual packets from source host to destination host.
what is characteristic of the operation of a layer 2 switch?
As described on Cisco's website (http://www.cisco.com/univercd/cc/td/doc/cisintwk/idg4/nd2002.htm):
"The difference between Layer 2 and...
ISDN make a separation between user data and voice,in ISDN there are two type of channels, D Channels and B channel, there ability is different, in bandwidth and they have different type of...