When you use Microsoft Windows Media Player to begin playback of a music file， you receive the following error message： "You do not have the rights to play this file." You need to configure Windows Media Player to ensure playback of protected digital media. What should you do？ （） ["Disable the Set clock on devices automatically option.","Enable the Automatically check if protected files need to be refreshed option.","Enable the Update music files by retrieving media info from the Internet option.","Enable the Download usage rights automatically when I play or sync a file option."]
下图BZ4-8所示的变压器零序电流保护接线是否可用?并说明理由。
Which of the following statements explains why it is normally best to have more than one controller-based access point participate in the containment of one rogue access point？（） ["clients connected to the rogue access point must be able to connect to the containment controller-based access point.","multiple controller-based access points will load-balance the containment task using fewer resources than a single access point.","clients connected to the rogue access point may be out of the range of the controller-based access point providing containment.","each controller-based access point can handle only a limited amount of clients connected to the rogue access points."]
商业票据原是一种古老的商业信用工具，产生于18世纪，真正作为货币市场工具而大量使用是（）后期。
The Training and Events section of Cisco.com contains information about additional Cisco educational resources that enable you to further your professional opportunities. Which program is found in Training and Events？ （） [" Software Application Support plus Upgrades"," Cisco Partner Consultative Support"," Partner E-Learning Connection"," Cisco Partner Specializations Program"]
总资产周转率是用来测定（）对（）所做贡献程度的指标。
