The purpose of a network（ ）is to provide a shell around the network which will protect the system connected to the network from various threats.A.firewallB.switchC.routerD.gateway
The purpose of a network（ ）is to provide a shell around the network which will protect the system connected to the network from various threats.
A.firewall
B.switch
C.router
D.gateway
相关考题：
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