Which of the following is not the feature of Network management systems?

The correct answer is: A. Accounting

Network management systems (NMS) are software applications that monitor and manage the performance, availability, and security of computer networks. They typically include features such as:

• Fault management: The ability to detect and diagnose network faults.
• Configuration management: The ability to configure and manage network devices.
• Performance management: The ability to monitor and analyze network performance.
• Security management: The ability to monitor and manage network security.
• Accounting management: The ability to track network usage and costs.

Of the above options, only accounting management is not a feature of network management systems.