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A.Server’sCNAdoesnotsupportDCBXandPFCTLVwasnotnegotiated.

B.A"no-drop"classhasnotbeenconfiguredforFCoE

C.ThesystemisrunningwiththedefaultQOSpolicies.

D.Thelinkisoversubscribed.

A.IPsourceaddressisforged

B.IPdestinationaddressisforged

C.IPTCPsourceportisforged

D.IPTCPdestinationportisforged

E.Noneofabove

t security on SwitchA to allow only PC_A to access the switched network through port fa0/1. If any other device is detected, the port is to drop frames from this device. The administrator configured the interface and tested it with successful pings from PC_A to RouterA, and then observes the output from these two show commands.Which two of these changes are necessary for SwitchA to meet the requirements? （）

A.Port security needs to be globally enabled.

B.Port security needs to be enabled on the interface.

C.Port security needs to be configured to shut down the interface in the event of a violation.

D.Port security needs to be configured to allow only one learned MAC address.

E.Port security interface counters need to be cleared before using the show command.

F.The port security configuration needs to be saved to NVRAM before it can become active.

A. hello packets

B. SAP messages sent by other routers

C. LSAs from other routers

D. beacons received on point-to-point links

E. routing tables received from other link-state routers

F. TTL packets from designated routers

A.MP-BGProuting

B.Staticrouting

C.Policyrouting

D.Autoroute

E.Forwardingadjacency

A.showflogidatabase

B.showsystemfclogin

C.shownpvflogi-table

D.shownpvfcnsdatabase

E.showinterfacevfcXflogi

F.showinterfaceflogi

A.VMPSserverlookupisrequired

B.Easytoconfigure

C.Easyofadds，moves，andchanges

D.BasedonMACaddressoftheconnecteddevice

A. Each OSPF area requires a loopback interface to be configured.

B. Areas may be assigned any number from 0 to 65535.

C. Area 0 is called the backbone area.

D. Hierarchical OSPF networks do not require multiple areas.

E. Multiple OSPF areas must connect to area 0.

F. Single area OSPF networks must be configured in area 1.

A.Priorityflowcontrol

B.Buffer-to-buffercredits

C.TCPretransmission

D.Ethernetchecksum

E.QoSpolicies

A.MP-BGP

B.LDP

C.DirectedLDP

D.MTP

E.BGP

F.IGP