2. 计算机
  3. WLANs　are　increasingly　popular　because　they　enable　cost-effective　connections　among　people,　applications　and　data　that　were　not　

WLANs　are　increasingly　popular　because　they　enable　cost-effective　connections　among　people,　applications　and　data　that　were　not　

admin2009-05-15  38
问题 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(166)to　improve　their　efficienty　and　reduce(167).　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(168)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(169)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(170)and　administrative　chores.
选项 A、chores
B、chains
C、changes
D、links
答案B
解析
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