单项选择题
A. network unification B. remote access C. mobility services D. network management
What two choices can you make when redundancy is requir...
多项选择题What two choices can you make when redundancy is required from a branch office to a regional office?（）
A. multiple Frame Relay PVCs B. dualWan links to the regional office C. dualWan links to another branch office D. single links - one to the regional office and one to another branch office
You are the Cisco Network Designer in Cisco.com. Which ...
单项选择题You are the Cisco Network Designer in Cisco.com. Which of these is a Layer 2 transport architecture that provides packet-based transmission optimized for data based on a dual ring topology?（）
A. DynamicTrunking Protocol B. Resilient Packet Ring C. Synchronous Digital Hierarchy D. Coarse Wave Division Multiplexing
You are the network consultant from Cisco.com. Please p...
单项选择题You are the network consultant from Cisco.com. Please point out which Layer 2 access designs does not support VLAN extensions?（）
A. Flex Links B. loop-free U C. looped square D. looped triangle
