单项选择题 A virtual storage area network (VSAN) is a collection of ports from a set of connected Fibre Channel switches, that form a virtual fabric. Which technology allows centralized storage services to be shared across different VSANs?（）

单项选择题 Scalability is provided in the server farm module by which of the following design strategies?（）

单项选择题 You are the Cisco Network Designer in Cisco.com. What is the term for a logical SAN which provides isolation among devices physically connected to the same fabric?（）