单选题防火墙一般都具有网络地址转换功能（Network Address Translation，NAT），NAT允许多台计算机使用一个（）连接网络。AWeb浏览器BIP地址C代理服务器D服务器名
单选题
防火墙一般都具有网络地址转换功能（Network Address Translation，NAT），NAT允许多台计算机使用一个（）连接网络。
A
Web浏览器
B
IP地址
C
代理服务器
D
服务器名
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