I think you got it Wrong, I want to know its full form.... I got it from one of my friends.... Thank you so much for your effort....
SAP - Service Advertising Protocol.
Its used in ncluded in the Internetwork Packet Exchange (IPX) protocol.
NIS has a lot of difference when compared to NAV. forget the version you have.
NIS has an inbuilt firewall. It makes a lot of difference. because the product was designed to protect the online threats like spyware, malware, adware etc NAV do not have...