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4片74181ALU和1片74182CLA器件相配合，具有（)进位传递功能。A．串行进位B．组内并行进位，组间并行进

4片74181ALU和1片74182CLA器件相配合，具有()进位传递功能。

A．串行进位

B．组内并行进位，组间并行进位

C．组内并行进位，组间串行进位

D．组内串行进位，组间并行进位

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第1题

WhatisthepurposeoftheNBARprotocoldiscovery?()

A.tobuildaPacketDescriptionLanguageModule（PDLM）filetobeusedinprotocolmatching

B.todiscoverapplicationsandbuildclassmapsfordataclassification

C.tolookintotheTCPorUDPpayloadandclassifypacketsbasedonthecontent

D.tobuildadatabaseofallapplicationdatathatpassesthroughtherouterandqueuethedataaccordingly

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第2题

ATT(Attached)bitneedstobesetinthelinkstatePDUsinanIS-ISlevel-1-2routertoindicatethattheyareapotentialexitpointoutofthearea.()

A.True

B.False

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第3题

Whatisthestatisticalreserve?()

A.BandwidththatisreservedforSVCstorouteoveratrunk

B.BandwidththatisreservedonatrunksothatABRconnectionscanburst

C.Bandwidthonatrunkthatisreservedforcontroltrafficandcannotbeusedbyconnections

D.Bandwidththatcannotbeallocatedtoconnectionsbutcanbeusedtoaccommodatestatistical variationsinthetraffic

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第4题

In which solution is a router ACL used?()

A. protecting a server frome unauthorized acces

B. controlling path selection,based on the route metric

C. reducing router CPU utilization

D. filterring packets that are passing through a router

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第5题

WhichtwoCiscoWirelessControlSystem(WCS)statementsaretrue?()

A.theWCSBaseversionincludesallthefeaturesoftheWCSLocationversionaswellasadditionalenhancements

B.theWCSBaseversionprovideson-demandlocationofrogueaccesspointsandclientstowithin33feet（10meters）

C.WCSaddsagraphicalviewofmultipleCiscoWirelessLANcontrollersandmanagedaccesspoints

D.WCSincludesanetworkmanagementtoolwhichissimilartoasitesurveytool

E.WCSusestheCDPprotocoltocommunicatewiththecontrollers

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第6题

WhatisTCI?()

A.TagCallingInterface

B.TagControlIdentifier

C.ToSClassInterface

D.TagControlInformation

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第7题

Inwhichmodesdoesselectivepacketdiscard(SPD)operate?()

A.normal

B.discard

C.random

D.full

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第8题

WhatisadrawbacktousingtheIntServmodel?()

A.RSVPthatsignalsQoSrequestsperindividualflow

B.notscalabletolargeimplementations

C.admissioncontrolnotsupported

D.useofdynamicportnumbers

E.UDPnotsupported

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第9题

What is the function of the command switchport trunk native vlan 999 on a switch?()

A. It designates VLAN 999 for untagged traffic.

B. It blocks VLAN 999 traffic from passing on the trunk.

C. It creates a VLAN 999 interface.

D. It designates VLAN 999 as the default for all unkown tagged traffic.

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第10题

Whatisthebestdescriptionofserializationdelay?()

A.thetimeittakesforaLayer3switchoraroutertoswitchapacketfromaninboundinterfacetothequeueoftheoutboundinterface

B.thetimeittakesforapropagatefromsourcetodestination

C.thetimeittakestoplaceaframeonthephysicalmediumfortransport

D.thetimeapacketresidesintheoutboundqueueofarouter

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