Which two WAN access methods are specified for a simplified and cost-effective Cisco Single-Site Secure Network Foundation Deployment Design？（） Frame-Relay。 Leased Line。 MPLS。 DSL。 Cable。 Wirele。
临界形核功
Which statement regarding the site-survey process is correct？（） In a multifloor building， the access point layout from the survey of one floor can be directly applied to the remaining floors。 Access points can be installed in the same place on every floor， without worrying about co-channelinterference。 You can survey with a Cisco AIR-ANT5959 in a plenum environment。 Identify all hazardous and restricted areas that might require extra or special survey and installationwork。
Which tool allows a LAN client to determine which router should be the first hop to a particular remote destination, allowing simplified client configuration and processing without creating a single point of failure?（） Proxy ARP。 IRDP。 Dynamic Routing Protocol。 VRRP。
当发动机转速一定时，燃油经济性指标随发动机负荷变化的关系称为（）。 速度特性。 负荷特性。 外特性。 部分特性。
金融互换市场中，下列哪一个交易主体进入市场的目的是为了进行投机性交易（）。
