Data analytics<span> (DA) is the science of examining raw </span>data<span> with the purpose of drawing conclusions about that information. </span>Data analytics<span> is used in many industries to allow companies and organization to make better business decisions and in the sciences to verify or disprove existing models or theories.</span>
I believe the answer is annual maintenance
Hope this helps :p
172.30.0.0: private network
10.20.1.0: public network