在Windows操作系统中，（）是内存的一块区域，用于各个应用程序之间相互交换信息。 我的文档。 剪贴板。 回收站。 我的公文包。
To compete in today's fast-paced competitive environment, organizations are increasingly allowing contractors, partners, visitors and guests to access their internal enterprise networks.These users may connect to the network through wired ports in conference rooms or offices, or via wireless access points. In allowing this open access for third parties, LANs become(6) .Third parties can introduce risk in a variety of ways from connecting with an infected laptop to unauthorized access of network resources to(7)activity. For many organizations, however,the operational complexity and costs to ensure safe third party network access have been prohibitive. Fifty-two percent of surveyed CISOs state that they currently use a moat and castle's security approach, and admit that defenses inside the perimeter are weak. Threats from internal users are also increasingly a cause for security concerns. Employees with malicious intent can launch (8) of service attacks or steal (9) information by snooping the network. As they access the corporate network, mobile and remote users inadvertently can infect the network with (10) and worms acquired from unprotected public networks. Hackers masquer-ading as internal users can take advantage of weak internal security to gain access to confidential information.空白处（7）应选择（） A.venomous。 malicious。 felonious。 villainous。
扩展名为WAV的文件属于（）文件格式。 视频。 矢量图形。 动画。 音频。
已知某带权图G的邻接表如下所示，其中表节点的结构为：则图G是（）。 无向图。 完全图。 有向图。 强连通图。
对于二维数组a［1..6，1..8］，设每个元素占两个存储单元，且以列为主序存储，则元素a［4，4］相对于数组空间起始地址的偏移量是（）个存储单元。 28。 42。 48。 54。
话筒是向计算机提供（）的设备。
