多项选择题 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 as a server farm.When a client initiates a connection to the virtual server, the IOS SLB load balances the connection to a chosen real server, depending on the configured load balance algorithm or predictor.Which three implementation modes may be used to deploy SLB? （）

多项选择题 What are two considerations to using IP Multicast delivery? （）

单项选择题 （）dBm is the recommended radius of a cell for a voice-ready wireless network.