单项选择题
A. It will only become active after a software failure
B. It will only become active after a hardware failure
C. It requires that Cisco N3F· be enabled in order to work successfully
D. It synchronizes the MAC·， FIB·， and adjacency tables between Active and Standby Route Processors
多项选择题 WhichtwocharacteristicsaretrueofIVRs？（）
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？（）