选择目标市场的基础是（)。A．市场定位B．市场细分C．市场调查D．市场策略制定

A.Itislocallysignificant.

B.Itisgloballysignificant.

C.ItisneededtoidentifyauniqueinstanceofanOSPFdatabase.

D.ItisanoptionalparameterrequiredonlyifmultipleOSPFprocessesarerunningontherouter.

E.AllroutersinthesameOSPFareamusthavethesameprocessIDiftheyaretoexchangeroutinginformation.

A.ItsupportsVLSM.

B.Itisusedtoroutebetweenautonomoussystems.

C.Itconfinesnetworkinstabilitytooneareaofthenetwork.

D.Itincreasesroutingoverheadonthenetwork.

E.Itallowsextensivecontrolofroutingupdates.

F.ItissimplertoconfigurethanRIPv2.

A.10Mbps

B.11Mbps

C.54Mbps

D.100Mbps

A.VTP

B.802.1Q

C.RSTP

D.STP

A.FTP traffic from 192.169.1.22 will be denied

B.No traffic, except for FTP traffic will be allowed to exit E0

C.FTP traffic from 192.169.1.9 to any host will be denied

D.All traffic exiting E0 will be denied

E.All FTP traffic to network 192.169.1.9/29 will be denied

A.hellopackets

B.SAPmessagessentbyotherrouters

C.LSAsfromotherrouters

D.beaconsreceivedonpoint-to-pointlinks

E.routingtablesreceivedfromotherlink-staterouters

F.TTLpacketsfromdesignatedrouters

A.HostAisnotonthesamesubnetasitsdefaultgateway

B.TheaddressofSwitchAisasubnetaddress

C.TheFa0/0interfaceonRouterAisonasubnetthatcannotbeused

D.Theserialinterfacesoftheroutersarenotonthesamesubnet

E.TheFa0/0interfaceonRouterBisusingabroadcastaddress

A.Theportisexperiencingerrors.

B.Theportisadministrativelydisabled.

C.Theportisblockedbyspanningtree.

D.Theporthasanactivelinkwithnormaltrafficactivity.

A.access-list 101 in

B.access-list 101 out

C.ip access-group 101 in

D.ip access-group 101 out

A.127.0.0.1

B.172.16.0.1

C.192.168.0.5

D.223.0.0.1

E.224.0.0.5

F.254.255.255.255