Final answer:
The best form of anti-malware protection is a single solution throughout the organization.
Step-by-step explanation:
Of the provided choices, the best form of anti-malware protection is B. A single solution throughout the organization. This option ensures consistent and standardized protection across all systems within the organization. Having multiple solutions on each system (Option A) can lead to compatibility issues and conflicts, while anti-malware protection at several locations (Option C) may not cover all systems effectively. One-hundred-percent content filtering at all border gateways (Option D) focuses on filtering internet content rather than malware protection.