多项选择题
A. They are known as fabric routing
B. They cannot span multiple switches
C. Their connectivity is supported by Layer 2
D. They enable devices in different VSAN fabrics to communicate
E. They require that multiple switch fabrics be merged before they can function
多项选择题 WhattwodescriptionsbestdefineDWDM？（）
单项选择题 Refer to the exhibit. The Cisco Nexus 100v in the VMware vSphere solution effectively creates an additional accesslayer in the virtualized data center network， which of the following 1000v characteristics can thedesigner take advantage of？（）
单项选择题 Whatisthemostcommonmodeforafirewall？（）