Data! Data is usually on servers, so if you're asking what physical component, it would be servers.
Wiring
--> Performance degradation --> security issues --> host identification
Performance
Netstat is a command-line tool that displays network connections and a number of network interface and network protocol statistics. It is used to find problems on networks and determine how traffic effects performance.
"Managed network services provide similar services as in-house IT services. They manage online servers, fix IT problems, do design work, and performance monitoring."
A client requests services across a network.
processing delay
Protocol
Network Interface Card (NIC)
1. The software component that intercepts a client request for a network resource and forwards it
The purpose of network performance monitoring is to allow network administrators to create the best operating condition by reporting on the network activity and locating where the network is not operating to it's full potential. Network Performance Monitoring can find faulty routers and switches as well as identifying networks that are hogging the bandwidth.
Network criteria ia a standard of factors that affects the network performance.