Viruses, bacteria, protists and fungi. 1  1. Module Two: Life at a Molecular, Cellular and Tissue Level Paper One. 2  2. â¢ Owing to evolution, we have a large diversity of life on planet Earth. 3  The earliest organisms that were thought to have developed were viruses, protists, bacteria and fungi. 1. Module Two: Life at a Molecular, Cellular and Tissue Level Paper One. 2  2. â¢ Owing to evolution, we have a large diversity of life on planet Earth. 3  The earliest organisms that were thought to have developed were viruses, protists, bacteria and fungi. 4  These are the organisms we will be focussing on.
OPSECâs most important characteristic is that it is a process. It is an analytical process that can be applied to any operation or activity for the purpose of denying critical information to an adversary.
What is OPC? OPC is the interoperability standard for the secure and reliable exchange of data in the industrial automation space and in other industries. It is platform independent and ensures the seamless flow of information among devices from multiple vendors. The OPC Foundation is responsible for the development and maintenance of this standard. The OPC standard is a series of specifications developed by industry vendors, end-users and software developers.