在面向对象方法中，不属于“对象”基本特点的是A．一致性B．分类性C．多态性D． 标识唯一性

A.TherouterthatisdirectlyconnectedtotheIPphonewilllookupthecallednumberinitscallroutingtable.

B.TherouterthatisdirectlyconnectedtotheIPphonewillinformitscallagentwhenaservicerequestisdetected.

C.WhentheIPphoneispickedup，theIPphoneinitiatestheservicerequest.

D.Thedirectlyconnectedrouterpassesthecollecteddigitstoitscallagent，andthecallagentlooksupinitscall-routingtablethecallednumber.

A.It is used for type 1 router LSA

B.Highest IP address of the loopback is used

C.router-id needs to be matched on ospf neighbors

D.router-id is 16 bit

A.Failuredetection

B.Failurereporting

C.IGPLSP/LSAoriginatio

D.Per-hopfloodingtimeofnewlinkstate

E.Numberofhopsthatneedtobenotifiedofnewlinkstate

A.FixtheportchannelconfigurationbetweenFabricInterconnectBandNexus5548BastheportchannelIDsdonotmatch.

B.ModifythebridgepriorityonthefabricinterconnectssothatoneoftheNexus5548swillalwaysbetherootbridge.

C.ModifythebridgepriorityontheNexus5548ssothatoneofthemwillalwaysbetherootbridge.

D.Modifytheportprioritiesonthefabricinterconnectuplinks（PathsBandC）sothattheyareahigherprioritythanportsEth1/4andEth1/9（PathD）.

E.ThisisaninvalidconfigurationasCiscoUCSfabricinterconnectscannotbedirectlyconnected.

A.AVF

B.AVG(active virtual gateway)

C.Active Router

D.Standby Router

A.propagationdelay

B.voicepacketserializationdelay

C.congestedegressqueues

D.headeroverhead

E.packetsdroppedbecauseofCRCerrors

A.MPLSLDPmustbeenabled.

B.BGProutingprotocolmustberunning.

C.Namedaccess-listsmustbeconfigured.

D.Symmetricalroutingisrequired.

E.Domainnamemustbedefined

A. addresses chosen by a company to communicate with the Internet

B. addresses that cannot be routed through the public Internet

C. addresses that can be routed through the public Internet

D. a scheme to conserve public addresses

E. addresses licensed to enterprises or ISPs by an Internet registry organization

A.Message Integrity

B.Compression

C.Authentication

D.Encryption

E.Error Detection

A.AllowsincomingTCPconnectionsdestinedtoport179

B.AllowsincomingTCPconnectionssourcedfromport179

C.AllowsincomingTCPconnectionsfrom1.1.1.1anddestinedto，orsourcedfromport179

D.AllowsincomingTCPconnectionsfrom1.1.1.1thataredestinedtoport179

E.AllowsincomingTCPconnectionsfrom1.1.1.1thataresourcedfromport179