lightweight access point has been connected to a catalyst 3550 24-pwr switch， and on power-up the access point fails. What is the problem with the switch？（） the power supply has inadequate wattage.。 power is incorrectly configured on the port.。 it does not support 802.3af poe.。 power is not enabled on the port.。
李某为自己的高档数码照相机买了保险。后因赵某使用不当，造成严重毁损，属于保险范围的损失。在这种情况下，保险公司（） 有权拒赔。 应当先赔偿李某的损失后，取得代位求偿权向赵某追偿。 可以先向赵某索培，后赔偿李某损失。 损失应当由赵某赔偿。
收入资本化法
一般车用汽油发动机的扭矩储备系数为（）。 5%-10%。 10%-30%。 20%-40%。 30%-50%。
You have a computer that runs Windows Vista. You upgrade the network adapter driver on the computer. After the upgrade, you can no longer access network resources. You open Device Manager and see a warning symbol next to the network adapter. You need to restore access to network resources. What should you do?（） A。 B。 C。 D。
Telepresence and video conferencing have been an increasingly important component of the overall collaboration marker, which indicator is the best measure of the continued importance of these technologies going forward?（）
