问题
单项选择题
To keep certain information private and secure while providing remote access for employees, many businesses are creating intranets. An intranet is an (71) organizational internet that is guarded against outside access by a special (72) feature called a firewall (which can be software, hardware, or a combination of the two).
A．interconnection
B．security
C．isolation
D．access
答案
参考答案：B
解析：[参考译文] 为了让员工可以远程访问私密和安全的信息，许多组织建立了企业网。企业网是一种组织内部(internal)的网络，它能通过特殊的安全(security)装置——防火墙(由软件、硬件或二者结合构成)防止来自外部的访问。