格式化文本的方法有（）

A.PortsecuritycanbeconfiguredforportssupportingVoIP.

B.Withportsecurityconfigured，fourMACaddressesareallowedbydefault.

C.ThenetworkadministratormustmanuallyentertheMACaddressforeachdeviceinorderfortheswitchtoallowconnectivity.

D.Withsecurityconfigured，onlyoneMACaddressesisallowedbydefault.

E.PortsecuritycannotbeconfiguredforportssupportingVoIP.

A. The route to 10.2.0.0/16 was redistributed into EIGRP.

B. A default route has been redistributed into the EIGRP autonomous system.

C. R1 is configured with the ip summary - address command.

D. R1 is sourcing a n external EIGRP route from Null0.

E. The router at 10.1.1.2 is configured with the ip default - network 0.0.0.0 command.

F. R1 is configured with the variance command.

A.PSD

B.TIF

C.JPG

D.Bitmap

lified as a feasible successor. In the event that the current successor goes down, what process will EIGRP use in the selection of a new successor?（）

A. EIGRP will automatically use the route with the lowest advertised distance (AD) .

B. The route will transition to the active state.

C. The route will transition to the passive state.

D. EIGRP will find the interface with the lowest MAC address.

E. EIGRP will automatically use the route with the lowest feasible distance (FD).

A.SpanningtreePortFastcannotbeconfiguredonaportwhereavoiceVLANisconfigured.

B.StickysecureMACaddressescannotbeusedonaportwhenavoiceVLANisconfigured.

C.SpanningtreePortFastcannotbeconfiguredonaportwhenastickysecureMACaddressisused.

D.Theswitchportmustbeconfiguredasatrunk.

A.文本被设置了间距

B.运用了交互式封套

C.文本被填色

D.文本中有英文

A. Router(config-if)# encapsulation frame-relay q933a

B. Router(config-if)# encapsulation frame-relay ansi

C. Router(config-if)# encapsulation frame-relay ietf

D. Router(config-if)# encapsulation frame-relay isl

E. None of the above

erdeviceisconnectedtotheportafterthemaximumnumberofdeviceshasbeenreached，evenifoneormoreoftheoriginalMACaddressesareinactive？（）

A.TheportwillpermitthenewMACaddressbecauseoneormoreoftheoriginalMACaddressesareinactive.

B.TheportwillpermitthenewMACaddressbecauseoneormoreoftheoriginalMACaddresseswillageout.

C.BecausethenewMACaddressisnotconfiguredontheport，theportwillnotpermitthenewMACaddress.

D.AlthoughoneormoreoftheoriginalMACaddressesareinactive，theportwillnotpermitthenewMACaddress.

A.框架模式

B.正常模式

C.增强模式

D.草图模式

A. to identify valid numbers for incoming calls

B. to define the type of ISDN switch at the central office

C. to specify the list of outgoing phone numbers used by the router

D. to associate a dial configuration with a physical interface

E. to define interesting traffic that will enable the link