MAC bit size is 16 digits. but MAC bit is 48 each.
A MAC address is a fixed number that is 'burned' into each NIC
•What is the physical address (the MAC address) of the NIC (or network adapter) for this connection?
MAC address stored in NIC card
NIC
Doesn't matter if your connected to a LAN or not. The MAC address is hard coded into the NIC and does not change unless software on the computer requires that it changes.
Mac address
Source MAC address
getmacGetmac
ipconfig
Destination MAC address
MAC address
no we cant have two mac unless we have two nic's