Hotspot Question
You create a virtual network named fabVNet01. You design the virtual network to include two
subnets, one named DNS-subnet and one named Apps-subnet, as shown in the exhibit:

In the table below, identify the number of IP addresses that will be available for virtual machines
(VMs) or cloud services in each subnet. Make only one selection in each column.

Answer:

Explanation:
No not all addresses in a subnet are usable, (The first and last IP addresses of the subnets are
reserved for protocol conformance. Additionally they reserve a few extra IP addresses for their
services.
http://msdn.microsoft.com/en-us/library/azure/dn133803.aspx