You install Windows Vista on a new computer by using the retail installation media. You install a new hardware device. You are not prompted for any drivers and the installation completes successfully. You discover that an updated driver is available for the hardware device. You need to install the updated driver. What should you do?（） A。 B。 C。 D。
以下各罪必须是共同犯罪的是（） 串通投标罪。 虚假广告罪。 假冒专利罪。 非法经营罪。
朱某伪造赵某签发一张汇票给李某，那么，这张汇票上的票据责任（） 应当由朱某承担。 应当由赵某承担。 应当由朱某和赵某共同承担。 朱某和赵某都不承担。
Which three can be symptoms of the growth phase in the Cisco SBR methodology?（） Facilitate Employee Reachability。 Unable to provide rapid secure access to customer history, data or buying behavior。 Need to provide XYZ LTD with a basic up-to-date website。 Provide rapid access for geographically dispersed employees。 Need to facilitate customer reachability。 Provide a Website on par with competitor。
某企业本期有关资料如下：单位直接材料成本10元，单位直接人工成本5元，单位变动性制造费用7元，固定性制造费用总额4000元，单位变动性销售与管理费用4元，固定性销售与管理费用1000元。期初存货量为零，本期生产量1000件，销售量600件，单位售价40元。要求分别采用完全成本法和变动成本法计算下列指标：期间成本；
For a lightweight access point to participate in aggressive load balancing，it must have heard the client for how many seconds？（）
