Which technology allows centralized storage services to be shared across different VSANs？（）

多项选择题AsecurityanalysisatThePotomacCanalCompanyrecommendsinstallinganIDSapplianceandafirewallappliance.TheseappliancesshouldconnectdirectlyintoaLayer3switch.AloadbalancerandSSLterminationhavealsobeenrecommended.Potomac’smanagementhaveexpressedconcernoverthecost.Yousuggestusingintegratedblades.Whatisoneadvantageandonedisadvantageofyourdesignproposal？（）

A. The data center would need several devices to achieve its goal.
B. Increased usage of standalone devices is cost-effective.
C. Using integrated blades would only require two devices.
D. Putting all security devices in a single chassis provides a single point of failure.

单项选择题YouaretheCiscoNetworkDesignerinCisco.com.WhichlayerNASoperatingmodeareACLfilteringandbandwidththrottlingonlyprovidedduringpostureassessment？（）

A. Layer 2
B. Layer 3
C. Layer 4
D. out-of-band

单项选择题ToensurevoicepacketsarekeptwithintheCommittedInformationRate（CIR）ofaFrameRelaylink，whatshouldbeusedintheCPE？（）

A. prioritization
B. classification
C. fragmentation
D. traffic shaping

单项选择题WhichQoSrequirementappliestostreamingvideotraffic？（）

A. one-way latency of 150 ms to 200 ms
B. jitter of 30 ms or less
C. packet loss of 2 percent or less
D. 150bps of overhead bandwidth

单项选择题TheCiscoMDS9000SeriesMultilayerSANSwitchescanhelplowerthetotalcostofownershipofthemostdemandingstorageenvironments.Bycombiningarobustandflexiblehardwarearchitecturewithmultiplelayersofnetworkandstorage-managementintelligence，theCiscoMDS 9000Serieshelpsyoubuildhighlyavailable，scalablestoragenetworkswithadvancedsecurityandunifiedmanagement.WhatmethoddoestheCiscoMDS9000Seriesusetosupporttrunking？（）

A. ISL
B. VLAN Trunk
C. VoQ
D. Enhanced ISL