why can faults cause outage what is fault cause analysis what is fault impact analysis what is fault causal analysis fault causes correlation why use fault analysis and correlation why is a fault causal? how to find fault causal analysis which data set can be used as the basis for fault causal analysis? fault causal analysis definition what is fault-cause analysis for telecommunications what is fault-cause analysis fault causal analysis fault effects in network if faults cause outages why do they occur fault-cause analysis definition what is fault analysis what is the purpose of fault causal analysis? what would cause an outage what is fault causal analysis