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WLANs are increasingly popular because they enable cost-effective connections among people, applications and data that were not possible, or not cost-effective, in the past. For example, WLAN-based applications can enable fine-grained management of supply and distribution (1) to improve their efficienty and reduce (2) .WLANs can also enable entirely new business processes. To cite but one example, hospitals are using WLAN-enabled point-of-care applications to reduce errors and improve overall (3) care. WLAN management solutions provide a variety of other benefits that can be substantial but difficult to measure. For example, they can protect corporate data by preventing (4) through rogue access points. They help control salary costs, by allowing IT staffs to manage larger networks without adding staff. And they can improve overall network mananement by integrating with customers' existing systems, such as OpenView and UniCenter. Fortunately, it isn't necessary to measure these benefits to justify investing in WLAN management solutions, which can quickly pay for themselves simply by minimizing time-consuming(5) and administrative chores. 空白处（4）应选择（）
“表情角度”也属于水平角度。
血淋与尿血的鉴别要点，在于（）
诗句“人生识字忧患始。”出自谁的笔下？
《外宾乘车证管理办法》第七条规定，外宾乘车证分为（）。
沟通交流的层次中最高层次是 ( )
为购建或生产满足资本化条件的资产发生的应予资本化的借款费用，应计入财务费用账户。
布芮顿伍兹制度为何又被称作黄金-美元准备制？
软化灶是指局部脑组织的（ ）。
货物运输保险常采用的方式是（）
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