单项选择题
In a Cisco Unified Computing System， What is the "designated receiver" port in end-host mode used for？（）
A. Sending all broadcasts B. Receiving all traffic from upstream switches C. Receiving broadcast traffic D. Negotiating spanning tree with upstream switches E. Learning MAC addresses from upstream switches
多项选择题 WhicharevalidstatementsaboutCiscoVirtualInterfaceCard（VIC）？（）
单项选择题 WhatistheapplianceportusedtoconnecttoinaCiscoUnifiedComputingSystem？（）
多项选择题 Whichtwostatementsaboutend-hostmodeinSANconnectivityinaCiscoUCSenvironmentaretrue？（）
