单项选择题 The Cisco MDS 9000 Series Multilayer SAN Switches can help lower the total cost of ownership of the most demanding storage environments. By combining a robust and flexible hardware architecture with multiple layers of network and storage-management intelligence, the Cisco MDS 9000 Series helps you build highly available, scalable storage networks with advanced security and unified management.What method does the Cisco MDS 9000 Series use to support trunking?（）

多项选择题 Which two are characteristics of RSVP?（）

多项选择题 Fibre Channel, or FC, is a gigabit-speed network technology primarily used for storage networking.Fibre Channel is standardized in the T11 Technical Committee of the InterNational Committee for Information Technology Standards (INCITS), an American National Standards Institute (ANSI) Caccredited standards committee.Which two of these correctly describe Fibre Channel?（）