Network testing is carried to check the health status and 
address the problems fased by the network such as low 
bandwidth , delay ,jitter ,congestion etc.
     It is carried on nodes facing issue or noded that are 
expected to give better results.
checking the hardware requirments.
policys on the node ,ACLs
misconfiguration , and proper allocation of resources are 
common task to be handeled. 
checking IDS and IPS are also major task