The default subnet mask of a class A network is 255.0.0.0
Class B - 255.255.0.0
by creating vlans
Since this is a Class C address, the default network mask is 255.255.255.0.
Subnet mask is a mask used to determine what subnet an IP address belongs to. Default gateway is the gateway in a network that a computer will use to access another network if a gateway is not...