This is one questions and I know how many I am allowed a day The PCI specification notes that all systems and network devices connected to a system

This is one questions and I know how many I am allowed a dayThe PCI specification notes that all systems and network devices connected to a system that stores, transmits or processes cardholder data is in scope and must comply with PCI specifications. To avoid having the whole network subject to PCI specifications, how would you segment the network to reduce the scope of compliance?300 words with references