[多项选择] The Cisco IOS SLB feature is a Cisco IOS-based solution that provides server load balancing. This feature allows you to define a virtual server that represents a cluster of real servers, known asa server farm. When a client initiates a connection to the virtual server, the IOS SLB load balances theconnection to a chosen real server, depending on the configured load balance algorithm orpredictor. Which three implementation modes may be used to deploy SLB? () A. Router mode B. One-arm mode C. Three-arm mode D. Bridge mode inline