Which of the following is MOST directly affected by network performance monitoring tools?

A. Integrity

B. Availability

C. Completeness

D. Confidentiality

Explanation:

In case of a disruption in service, one of the key functions of network performance monitoring tools is to ensure that the information has remained unaltered. It is a function of security monitoring to assure confidentiality by using such tools as encryption. However, the most important aspect of network performance is assuring the ongoing dependence on connectivity to run the business. Therefore, the characteristic that benefits the most from network monitoring is availability.