On a cisco aironet 1240ag series standalone access point， the radio led is dark blue and blinking， but the status led and ethernet led are both off. what does this indicate？（） ["a firmware upgrade is in progress.","an access point buffer overflow is occurring.","the access point is booting.","the internal radio has faile."]
报纸编辑的最重要的战略决策是（） ["制定报道计划","确定采访对象","制定编辑方针","组织选择稿件"]
You are at a client site. It is a medium-sized business and needs a Cisco Catalyst switch that offers high availability and security. What type of Catalyst switches would you recommend？（） [" Catalyst 2960 Series"," Catalyst 3750 Series"," Catalyst 4900 Series"," Catalyst 6500 Serie"]
激励功能是金融衍生工具的衍生（延伸）功能之一。
远期外汇交易合约的流动性比较强。
利率敏感性缺口
