应付账款附有现金折扣的，应按照扣除现金折扣后的应付款总额入账。（）A．正确B．错误

A.SynchronizesARPentriesbetweenvPCpeerseveryfiveminutes

B.TriggersamanualupdateofARPentriesfromtheprimarypeertothesecondary

C.EnablesabulkloadingofARPentrieswhenavPCpeerisrestored

D.Usesthepeer-keepalivelinktomaintainARPtableconsistency

A.3DESismuchmoresecurethanDES.

B.BothDESand3DESarestreamciphers.

C.DESuses64bitkeys，althoughtheeffectivekeylengthisonly56bits.

D.ThedecryptionoperationforbothDESand3DESisthesameastheencryptionoperation.

E.DEScanonlybeusedforencryption，whereas3DEScanalsobeusedforauthentication.

A.admin，operator，network-admin，andnetwork-operator

B.admin，read-only，network-admin，andnetwork-operator

C.vdc-admin，vdc-operator，network-admin，andnetwork-operator

D.vdc-admin，vdc-operator，network-admin，andnetwork-operator（forNexus7000）andnetwork-adminandnetwork-operator（forotherNexusswitches）

E.adminandread-only

A.OIA

B.OE1

C.OE2

D.O

A.TheRADIUSVendorSpecificAttributetypeisdecimal26.

B.Aradiusserverthatdoesnotunderstandthevendor-specificinformationsentbyaclientmustrejecttheauthenticationrequest.

C.AvendorcanfreelychoosetheVendor-IDitwantstousewhenimplementingVendorSpecificAttributesaslongasthesameVendor-IDisusedonallofitsproducts.

D.VendorSpecificAttributeMUSTincludetheLengthfield.

E.InCisco’sVendorSpecificAttributeimplementation，vendor-IDof1iscommonlyreferredtoasCiscoAV（AttributeValue）pairs.

F.VendorSpecificAttributesuseaRADIUSattributetypebetween127and255.

A.VPI16

B.DLCI

C.VPIandVCI

D.circuitnumber

E.PVCandSVC

A. L2TP

B. IPsec

C. PPTP

D.RSA

A.IGMPisnotsynchronizedbetweenvPCpeers

B.CiscoFabricServicecarriesIGMPentriesacrossthevPCpeerlink

C.IPARPsynchronizationunderthevPCdomainconfigurationalsosynchronizesIGMP

D.IGMPisfloodedtotheL2domain，andthereisnoneedtosynchronizeitbetweenvPCpeers

A.(config-if)#authentication ppp chap fallback ppp

B.(config-if)#authentication ppp chap pap

C.(config-if)#ppp authentication chap pap

D.(config-if)#ppp authentication chap fallback ppp