What is the definition of a network sensors? Network sensors are devices that are used to detect, measure, and report data on the performance of networks. They are used to monitor the status of a network, such as the availability, latency, throughput, and utilization of network services. Network sensors measure network activity and provide alerts when there are any issues or irregularities in the traffic or performance of the network. They are normally deployed in different parts of the network, such as the data center, core, access and distribution layers. Network sensors are designed to detect changes in the performance of the network and generate alerts when they identify any anomalies. They can be used to detect and report on any unauthorized activity such as unauthorized access, denial of service attacks, and malicious software. Network sensors can also be used to monitor the performance of network services and applications to ensure that they are functioning optimally. Network sensors are an essential part of any network infrastructure and can provide invaluable insight into the performance of the network.