试讨论金属晶体缺陷对其固态相变形核过程的影响。
Which Cisco product is a software component that blocks unwanted connections and provides other gateway security functions for small business?（） ["Cisco Firewall Services Module (FWSM)","Cisco Secure Access Control Server (ACS)","Cisco Private Internet Exchange (PIX) Firewall","Cisco Internetwork Operating System (IOS) Firewall"]
患者吴某，男，83岁，呼吸衰竭，神志不清，咳痰无力，使用口咽通气道，护士给予的护理措施不正确的是：（） ["定时检查口咽通气道是否保持通畅","检查牙齿松动情况","使用胸部振颤法促进排痰","给予翻身叩背","指导患者有效咳痰"]
道路用石灰稳定土的石灰剂量是指石灰干重占（）的百分率。 ["干石灰土重","石灰土重","干土重","原状土重"]
Your customer has deployed a Cisco Wireless Location Appliance within its warehouse environment. However，employees there have been experiencing problems when tracking objects using active RFIDtags. The RFID tag data is not being collected. On which device would you verify that RFIDs have beenenabled？（） ["Cisco WCS","access point","location manager","wireless controller"]
计算机网络有哪几种拓扑结构？
