单项选择题 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?（）

多项选择题 You are operating a multi-vendor network and are considering adding redundancy at the access level. Which routing redundancy solution should you implement?（）

多项选择题 When HSRP is configured on a network, which two of these items are provided, which are shared between the routers that run HSRP ?（） (choose two)