<span>Global configuration mode can be accessed by entering the enable command.</span><span>
The device prompt for this mode ends with the ">" symbol.</span>
2**(32 - netmask) - 2 = number of nodes available
The netmask is in CIDR (Common Internet Domain Routing) notation, without the slash.
One of the nodes would be needed for a router or else you can't communicate with other networks.
To compare data makes the most sense