2. 计算机
  3. The purpose of a network _____________ is to provide a shell around the network which will protect the system connected to the n

The purpose of a network _____________ is to provide a shell around the network which will protect the system connected to the n

admin2018-11-21  102
问题 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．
选项 A、firewall
B、switch
C、router
D、gateway
答案A
解析 网络防火墙的目的是在网络周围设置一层外壳，用于防止连入网络的系统受到各种威胁。
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