从社会化的基本活动来看，可以把社会化的内容概括为：学习基本生活技能、掌握基本社会规范、确定生活

A.Accessattackscanconsistofpasswordattacks，trustexploitation，portredirection，andman-in-the-middleattacks.

B.Accessattackscanconsistofpasswordattacks，pingsweeps，portscans，andman-in-the-middleattacks.

C.Accessattackscanconsistofpacketsniffers，pingsweeps，portscans，andman-in-the-middleattacks.

D.Reconnaissanceattackscanconsistofpasswordattacks，trustexploitation，portredirectionandInternetinformationqueries.

E.Reconnaissanceattackscanconsistofpacketsniffers，portscans，pingsweeps，andInternetinformationqueries.

F.Reconnaissanceattackscanconsistofpingsweeps，portscans，man-in-middleattacksandInternetinformationqueries.

A.usingQoStechniquessuchasTrafficPolicingtoratelimitsuspectedtraffictopreventDoSattacks

B.automaticreconfigurationsofthesecuritydevicesbasedoncurrentsecuritythreats

C.containmentandcontrolofsecuritythreats

D.applicationsecurity

E.anti-xdefenseF-virtualfirewall

A.Protectssignalswhenaringswitchfails

B.Protectssignalswhenmultiplespanswitchesfail

C.Protectspre-emptibletrafficfrombeingdroppedwhenaringswitchoccurs

D.Protectssignalsagainstanycombinationoflinkfailureineachring

A. it is a layer 2 messaging protocol which maintains vlan configurations across network.

B. it includes an 8-bit field which specifies the priority of a frame.

C. it is used exclusively for tagging vlan frames and dose not address network reconvergence following switched network topology changes.

D. it modifies the 802.3 frame header,and thus requires that the FCS be recomputed.

E. it is a trunking protocol capable of carring untagged frames.

A.providesadvancedsecuritysuchashardwareencryptionacceleration

B.providesinvestmentprotectionthroughincreasedmodularity

C.comesequippedwithatleastone1000-basedTXinterlace

D.containsintegratedwirelessaccessusingthe802.11g/bstandard

E.containsintegratedweb-basedmanagementtoolsforeasyconfigurationandmaintenance

A.DownstreamRSerrorcorrectioneffectivenessisreduced

B.Thedownstreamlinerateandthroughputremainsunchanged，butFECefficiencyisreduced

C.TheupstreamDSLbandwidthisreduced，sincelesscarriersbecomeavailableforupstreamtraffic

D.ThedownstreamDSLbandwidthisincreased