A Chief Information Security Officer at a medium enterprise computer software company would be very likely to recommend Cisco Advanced Malware Protection for this reason: I feel that it gives me the features, the visibility, and the level of forensics that I need in my environment.
The answers is (c) bacteria-the simplest, smallest, and most abundant organisms on Earth. Bacteria are procaryotic organisms; which indicates a cellular structure lacking an organized nucleus and nuclear membrane.
For two billion years prokaryotic cells were the only living things on Earth and spread to almost every corner of the planet. Today they are still the most abundant and diverse organisms on Earth and more prokaryotes are found in one handful of soil than all the humans that have ever existed.