What is the act of watching a network and determining its current state?

network baselining

network defining

network viewing

network monitoring

network monitoring

Explanation:

network monitoring is the act of watching a network and determining its current state. SNMP (Simple Network Monitoring Protocol) is the protocol commonly used for network monitoring. Several SNMP based tools are available for this purpose, such as, Nagios, OpenNMS, SolarWinds etc. The SNMP tools extract the network state information using SNMP agents deployed on individual network nodes.