Answer:
The answer is B: Differences in operating systems between the NSM server and other servers
Explanation:
All the evils on your network can be conquered effectively with the proper use NSM. NSM data equips CIRTs to detect and respond to cyber- attacks. With NSM, security analysts are able to discover intrusions early on in the process. Having highlighted all these positives, NSM encounters difficulties when faced with all of the above options apart from B.