单项选择题
A. it is not used in multicast
B. it determines the virtual address group for a multicast destination
C. it dynamically registers individual hosts in a multicast group on a specific LAN
D. it is used on WAN connections to determine the maximum bandwidth of a connection
E. it determines whether Bidirectional PIM or PIM sparse mode will be used for a multicast flow
单项选择题 Whichcontentnetworkingdeviceallowsbandwidthconfigurationsettingssothatstreaming contentwillnotinterferewithothernetworktraffic？（）
单项选择题 WhichtechnologyallowscentralizedstorageservicestobesharedacrossdifferentVSANs？（）
多项选择题 AsecurityanalysisatThePotomacCanalCompanyrecommendsinstallinganIDSapplianceandafirewallappliance.TheseappliancesshouldconnectdirectlyintoaLayer3switch.AloadbalancerandSSLterminationhavealsobeenrecommended.Potomac’smanagementhaveexpressedconcernoverthecost.Yousuggestusingintegratedblades.Whatisoneadvantageandonedisadvantageofyourdesignproposal？（）