Data Link Layer
switch,hub.
A Hub or a Switch
yes
The physical layer - it describes the hardware and the signaling techniques used at the physical connection between the network and the device.
Hubs and Switches
the geographic scope of the network the physical layer implementation the number of hosts to be interconnected
-The geographic scope of the network -The physical layer implementation -The number of hosts to be interconnected
at both physical layer 1 and Data Link layer 2
how data are stored would be in a physical layer
Physical and Data-link layers.Physical being layer 1 and Data-link being layer 2.
It called Media Access Control (MAC) layer address
layer 4 - transport layer