采用物流中心的服务，电子商务企业可获得以下（）好处。
A. 节省费用，减少资本积压
B. 集中主业
C. 分散主业
D. 减少库存
E. 增加库存
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Which two statement best describes the Cisco Unified Wireless Network？ （）
A. The Cisco Unified Wireless Network provides the framework to segregate wired and wireless networks to deliver the best security for companies that are deploying WLANs
B. The Cisco Unified Wireless Network provides the framework to integrate and extend wired and wireless networks to deliver the lowest-possible total cost of ownership for companies that are deploying WLANs
C. The Cisco Unified Wireless Network extends wireless awareness into important elements of the network infrastructure， providing the same level of security for WLANs that organizations have come to expect from their VPNs
D. The Cisco Unified Wireless Network extends wireless awareness into important elements of the network infrastructure， providing the same level of security， sociability， reliability， ease of deployment， and management for WLANs that organizations have come to expect from their wired LAN
具有()情形的场所，建设单位应当向公安机关消防机构申请消防设计审核和竣工消防验收。
A. 建筑总面积为10000平方米得博物馆的展示厅
B. 建筑总面积为3000平方米得商场
C. 建筑总面积为800平方米的幼儿园
D. 建筑总面积为600平方米的网吧
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