B. ensure that he has enough IP addresses for the networks and subnets to account for the vNICS that are in bridging mode.
Answer:
Communication path basically define the path in which the information and messages can be exchange by using the efficient communication path.
There are simple formula for calculating the total number of communication channel that is :

Where, n is the number of stack holder.
Now, the maximum number of communication paths for a team of twenty people can be calculated as:
n=20
=\frac{20(20-1)}{2} = 190
Therefore, 190 is the total number of communication path.
Upgrade routers and servers annually.
It is an input and an output. The scanner scans the paper which is the input ,and the output is when the printer prints the paper.