在双代号时标网络计划中，关键线路是指（)。A．没有虚工作的线路B．持续时间最长的工作所在的线路C．没

A.switchedvirtualcircuit

B.virtualcircuitstatus

C.simpleflowcontrol

D.multicasting

E.permanentvirtualcircuit

A.Smallercompaniesareatlessriskthanlargerenterprises，sotheirsecurityneedsarenotasgreat.

B.Businessstrategyshoulddirectlyrelatetothesecuritypolicyandbudget.

C.ThedesignatedsecurityexpertshouldreporttotheITdepartment，sincethatiswherethesolutionwillbeimplemented.

D.Securityshouldbeacontinuousprocess.

E.Securitysolutionsshouldcomefrommultiplevendorstomakeiteasiertocoordinatesecurityeventsfromthepointoforigin.

A.EBGPv4withasendingcommunity

B.IGPandLDP

C.EBGPv4withasendinglabel

D.IGPandEBGPv4

E.IGPandRSVP

A.Joinedhorizons

B.Packetforwardingloops

C.ciscoExpressForwardingload-balancinginconsistency

D.Asymmetricroutingthroughoutthenetwork

A. telnet access does not require a password

B. nat

C. no broadcast

D. chanage of destination address in the ipv6 header

E. chanage of source address in the ipv6 header

F. autoconfiguration

A.CiscolOSMatrixNavigator

B.CiscoFeatureNavigator

C.CiscolOSPackagePlanner

D.CiscolOSSecurityPlanner

E.CiscoDynamicConfigurationTool

A.FCSerrors

B.Runts

C.Multiplecollisions

D.Alignmenterrors