目前，会计专业技术资格分为（)个级别。A．2B．3C．4D．5

A.PacketsaredistributedacrosstheportsinthechannelbasedonboththesourceanddestinationMACaddresses.

B.PacketsaredistributedacrosstheportsinthechannelbasedonboththesourceanddestinationIPaddresses.

C.PacketsarebalancedacrosstheportsinthechannelbasedfirstonthesourceMACaddress，thenonthedestinationMACaddress，thenontheIPaddress.

D.PacketsaredistributedacrosstheaccessportsinthechannelbasedfirstonthesourceIPaddressandthenthedestinationIPaddresses.

A.networkmanagement

B.improvingQoS

C.determiningbudget

D.reducingcosts

E.increasingcompetitiveness

F.improvingcustomersupport

A.Thereare20neighborsintheEIGRPneigbortable.

B.EIGRPisrunningnormallyandreceivingIPv4routingupdates.

C.Theswitchhasnotestablishedanyneighborrelationships.Furthernetworktestingandtroubleshootingmustbeperformedtodeterminethecauseoftheproblem.

D.EIGRPstatuscannotbedetermined.Thecommandshowipeigrptopologywoulddeterminetheroutingprotocolstatus.

A.VLAN30isnotoperationalduetothefactthattherearenopacketorbytecountsindicated.

B.TheIPCiscoExpressForwardingconfigurationiscapableofsupportingIPv6.

C.CiscoExpressForwardingloadbalancinghasbeendisabled.

D.SVIVLAN30connectsdirectlytothe10.1.30.0/24networkduetoavalidgleanadjacency.

ort traffic between clients on the 172.16.10.0/24 network and the file server on th e 172.16.20./24 network. You have been asked to review the implementation plan for the OSPF project. Which statement about the plan is true?（）

A. It is complete as written.

B. It should include a task that shuts down all unused interfaces.

C. It sho uld include tasks that enable and verify OSPF authentication.

D. It should include a task that establishes a file transfer baseline before and after the configuration is changed.

A.SourceIPandMACfilteringonVLANs10and11willoccur.

B.TheswitchwilldroptheconfiguredMACandIPaddresssourcebindingsandforwardallothertraffic.

C.DHCPsnoopingwillbeautomaticallyenabledontheaccessVLANs.

D.IPSourceGuardisenabled.

E.StaticIPsourcebindingcanonlybeconfiguredonaroutedport.

A.TheinterfaceisconfiguredcorrectlyforLayer3routingcapabilities.

B.TheinterfaceneedsanadditionalconfigurationentrytoenableIProutingprotocols.

C.TheinterfacesubcommandiproutingisrequiredtoenableIProutingontheinterface.

D.AnSVIinterfaceisrequiredtoenableIProutingfornetwork192.20.135.0.

en host on the 172.16.10.0/24 and 172.16.20./24 networks. You have been asked to review the implementation plan for this project. Which statement about the plan is true?（）

A. It is complete as written.

B. It should include a task to configure multipath to equal a value of 2 on R1 and R4.

C. It should use a ping instead of a traceroute to validate that load balancing has been activated.

D. It should conta in a task that documents the changes made to the configurations.

Anewfloorhasbeenaddedtotheenterprisecampusnetwork，providingclientaccessfordesktopPCs，laptops，andIPphonesforemployeesandguests.Duringverification，afewdesktopPCshavelimitedcorporateaccessbutnotInternetaccess.MostotherdesktopPCs，alllaptops，andIPphonesareworkingcorrectly.AdditionalinformationindicatesthatthedesktopPCsareobtainingIPhostaddressesfromtheDHCPserver，whichisintendedforonlytheIPphones.Whereshouldtroubleshootingaboutthisconnectivityissuebefocused？（）

A.DNS

B.first-hopredundancyprotocol

C.DHCPserverandoptions

D.VLANmapping

E.clientnetworkconfiguration

F.routingprotocols

n hosts on the 172.16.10.0/24 and 172.16.20./24 networks. You have been ask ed to review the implementation plan for this project. Which statement about the plan is true?（）

A. It is complete as written.

B. It should include a task to configure EIGRP multipath equal to 2 on R1 and R4.

C. It should inc lude a task to implement OSPF because it handles unequal cost load balancing most efficiently using variance.

D. It should include a task that establishes a baseline before and after the configuration has been changed.