许多饭店员工浴室用水安装了智能插卡取水装置，安装前后用水量进行比较，往往节水量较大，其主要原因是（）。
A. 员工节水的意识有了大幅度提高
B. 智能表计量更准确
C. 智能表限制了用水量
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南北石窟是丝路北道上的重要石窟，被誉为“南北石窟双明珠”。其中北石窟寺的特级石窟，被称为“七佛窟”的是（）窟。
As a critical part of the design for the Enterprise Campus network， which of the following two aretrue concerning intrusion detection and prevention solution？ （）
A. IDS is capable of both inline and promiscuous monitoring， while IPS is only capable ofpromiscuous monitoring
B. IDS will stop malicious traffic from reaching its intended target for certain types of attacks.
C. IPS processes information on Layer 3 and 4 as well as analyzing the contents and payload ofthe packets for more sophisticated embedded attacks （Layers 3 to 7）
D. IPS inspects traffic statefully and needs to see both sides of the connection to function properly
E. IDS placement at the perimeter of Data Center outside the firewall generates many warningsthat have relatively low value because no action is likely to be taken on this informatio
关于制动跑偏、甩尾的原因。甲认为：车架变形是制动跑偏.甩尾的原因。乙认为：单侧悬挂弹簧弹力不足是其中之一。丙认为：前悬挂弹簧弹力不足是其中之一。看法正确的是（）。
A. 甲和乙
B. 乙和丙
C. 丙和甲
D. 均错
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