Which statement about vlan operation on cisco catalyst switches is true?

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问题 Which statement about vlan operation on cisco catalyst switches is true?

选项 A、 when a packet is received from an 802．1Q trunk,the vlan id can be determined from the source MAC address table．
B、 unkown unicast frames are retransmitted only to the ports that belong to the same vlan
C、 ports between switches should be configured in access mode so that vlans can span across the ports
D、 broadcast and multicast frames are retransmitted to ports that are configured on different vlan．

答案B

解析 A通过源mac地址确定vlan，不正确；
B未知单播帧只在本vlan传播，正确；
C交换机之间应该设置为trunk；
Dvlan能分割广播域，广播不能跨vlan传输。

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Which statement about vlan operation on cisco catalyst switches is true?

思科640802

思科认证

Foryears,sportsfanaticshaveturnedtostatisticstohelpthemgaugetherelativestrengthorweaknessesofdifferentteams,

WhileAmericanshavebecomeevermoredependentuponelectricityintheirdailylives,acrucialpartofthesystemthatsupport

Anewstudysuggeststhatcontrarytomostsurveys,peopleareactuallymorestressedathomethanatwork.Researchersmeasured

InParagraphs1and2,thetextshowsPTK’s______.Anappropriatetitleforthetextismostlikelytobe______.

In2008,MarkLynas,anenvironmentalactivist,wasunsparinginhiscriticismofgenetically-modified(GM)foodcompanies,call

UsingFacebookmakespeoplesadder,atleastaccordingtosomeresearch.Burjustwhatisitaboutthesocialnetworkthattakes

Threemakesatrend.TheWashingtonPostCo.Fridayannouncedthatitwouldlooktosellitsiconicheadquartersbuildingindow

在foxpro中,要浏览多个数据库的字段，以下说法中正确的是()并允许进行字段的修改。A．使用listfields命令 B．browsefields命令C．前两者都不对 D．不能在command命令窗口中实现

YouarethedomainadministratorforEzonexam.com.ThenetworkcontainsaWindows2000domainandtwoWindowsNTdomains.TheWi

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