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.
They are a domain, which is the broadest classification of life. The most abundant domain on Earth is certainly bacteria and the most abundant species on Earth is likely a particular species of bacteria.