Consider the following diagram:

Which of the following best describes what this diagram represents?

A.
A node with two system software environments. One performs Application Monitoring, the other
Network Monitoring

B.
A node that performs two functions: Application Monitoring and Network Monitoring

C.
A node that processes two types of data, pertaining respectively to Application Monitoring and
Network Monitoring

D.
A node with application components. One performs Application Monitoring, the other Network
Monitoring