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第2题单选题(1分)
"6500对应1.0硬件的线卡单线卡支持的快速3.3ms的oam数目不建议超过多少?单线卡支持的meg数目是多少?整机支持的meg数目是多少?For6500correspondingtothelinecardof1.0hardware,Thenumberofoamoffast3.3mssupportedbyasinglelinecardhadbetternotexceed().Thenumberofmegsupportedbyasinglelinecardis().Thenumberofmegsupportedbytheintegratedsystemis()."
"1)2000,8000,16000"
"2)1700,4000,16000"
"3)1700,4000,8000"
"4)2000,4000,8000"
参考答案:
3
考生答案:
2
,
第4题单选题(1分)
在PTN网络进行保护方面的规划设计时,以下规划建议错误的是:WhichofthefollowingprotectionplansforPTNnetworkiswrong?
"1)设备级保护包含主控交换板、电源板、TPS等保护方式,在条件允许的情况下建议将保护单板全部配齐。Devicelevelprotectioninvolvesmaincontrolswitchboardprotection,powerboardprotectionandTPSprotection.Ifpossible,configureaprotectionboardforeachofthem."
"2)对于网络侧保护,现场可以采用LSP线性保护、PW双归保护、环网保护。LSPlinearprotection,PWdualhomedprotectionandringnetworkprotectioncanbeadoptedonsitefornetworksideprotection."
3)LACP保护一般应用于核心层设备。LACPprotectionusuallyappliestodevicesatcorelayer.
4)我司提供的所有保护方式的倒换时间都可以做到50ms之内。SwitchinginallprotectionmodessupportedbyZTE'sdevicescanbeimplementedwithin50ms.
参考答案:
4
考生答案:
3
,
第5题单选题(1分)
"移动DLD方案组网场景中,某个桥接BVI接口携带的vlan范围是____。InthenetworkingscenarioofChinaMobileDLDscheme,thevlanrangecarriedinonebridgeBVIinterfaceis()."
1)255
2)128
3)512
4)1024
参考答案:
1
考生答案:
3
,
第12题单选题(1分)
以下哪些专题的优化方式不属于PTN网络安全优化?WhichisnotPTNnetworksecurityoptimization?
1)网络结构优化Networkstructureoptimizatio
2)生存性优化Survivabilityoptimizatio
3)网络资源配置优化Networkresourceconfigurationoptimizatio
4)路由选择优化Routeselectionoptimizatio
参考答案:
3
考生答案:
2
,
第17题单选题(1分)
"对于CES业务在双归场景场景下(核心点和RNC之间),配置PW时建议部署:Indual-homedscenario(betweencorenodeandRNC),whenconfiguringPWforCESservice,whichofthefollowingisrecommended?"
1)双发单收dualtransmitterandsinglereceiver
2)双发双收dualtransmitteranddualreceiver
3)单发双收singletransmitteranddualreceiver
4)单发单收singletransmitterandsinglereceiver
参考答案:
1
考生答案:
4
,
第19题单选题(1分)
"需要配置ETREE业务。对于6100作为根节点来说,能支持____叶子节点;若将6263作为根节点,能支持_____叶子节点。ConfiguretheETREEservice.If6100servesastherootnode,itsupports_______leafnodes.If6263servesastherootnode,itsupports_______leafnodes."
"1)16,128"
"2)32,128"
"3)16,255"
"4)32,255"
参考答案:
4
考生答案:
2
,
第20题单选题(1分)
"PTN网络中处理CES业务故障时,如果发现该业务有PWE3-CSF告警,应该优先采用以下哪种方法来解决:WhenhandlingtheCESservicefaultinthePTNnetwork,whichsolutionispreferredifthisservicehasthePWE3-CSFalarm?"
1)尝试环回本端物理端口,查看告警是否消失Trytoloopbackthephysicalportoflocalendtoviewwhetherthealarmdisappears.
2)查看TMP/TMC是否有对应的OAM告警CheckwhetherTMP/TMChasthecorrespondingOAMalarm.
3)查询对端TDM单板是否有客户侧的LOS等告警CheckwhetherthepeerTDMboardhasclientalarmssuchasLOS.
4)网管查询以及命令行检测驱动是否下发业务Performquerythroughnetworkmanagementandusethecommandlinetocheckwhetherthedriverdeliversservices.
参考答案:
3
考生答案:
1
,
第21题单选题(1分)
"CES业务报文描述错误的是:AboutdescriptionsfortheCESservicepackets,whichofthefollowingiswrong?"
"1)对于控制字中的Lbit,本地TDMAC出现故障需要置位L比特,目前AC出现LOS,AIS,LOF(Framer模式下)和OOF(Framer模式下)告警,会将承载报文L比特位置1,表示净荷不可用,若AC告警消失,置位的L比特被清除。Lbitinthecontrolword:whenlocalTDMACencountersafault,theLbitwillbeset.WhenthecurrentACencountersalarmsLOS,AIS,L"
"2)?控制字中的SequenceNumber为2个字节,是报文序列号标示。SequenceNumberinthecontrolwordisa2-bytefield,indicatingthesequencenumberofapacket."
"3)对于控制中的Rbit,当检测到丢失N(预先配置的)个连续报文置1(此时本端上报包丢失告警),并回送给远端Rbitinthecontrolword:whenNconsecutivepackets(preset)aredetectedlost,thelocalendsetsRbitto1(now,thelocalendreportsthepacketlossalarm)andreturnsittotheremoteend."
"4)对于控制中的Rbit,当收到M(预先配置的)个连续报文时,退出报文丢失状态,清除R比特置位,并回送远端Rbitinthecontrolword:whenMconsecutivepackets(preset)arereceived,thelocalendexitsthepacketlossstatus,clearstheRbitsetandreturnsittotheremoteend."
参考答案:
2
考生答案:
3
,
第22题单选题(1分)
"PTN设备的MSP的1:1APS的工作通道本端收到AIS后_____倒换;LSP的1:1APS的工作通道本端收到LOC后_____倒换。ForthePTNdevice,thelocalendofworkingchannelfor1:1APSofMSPperformschangeover_______afterreceivingAIS,andthelocalendofworkingchannelfor1:1APSofLSPperformschangeover_______afterreceivingLOC."
1)需要协议交互后;立即afterprotocolinteraction;immediately
"2)立即;需要协议交互后immediately,afterprotocolinteractio"
3)需要协议交互后,需要协议交互后afterprotocolinteraction;afterprotocolinteractio
"4)立即;立即immediately,immediately"
参考答案:
3
考生答案:
1
,
第24题单选题(1分)
"对于ZXCTN62006300Ch.STM-1线卡业务,诊断模式下使用edevstat命令查询wipath模块与GE口数据处理的统计信息,其中表示从GE口接收到数据的包数量项是:ForservicesonZXCTN62006300Ch.STM-1linecard,youcanexecutethecommandedevstatindiagnosismodetoquerydatastatisticsinformationbetweenwipathmoduleandGEport.Amongtheinformation,_indicatesthenumberofpacketsreceivedfromGEport."
1)EnetDevicerx_packets
2)EnetDevicetx_packets
3)TransRxChannel[****]valid_packets
4)TransTxChannel[****]valid_packets
参考答案:
1
考生答案:
2
,
第27题单选题(1分)
U31网管要求的TCP/IP连接数为()TheTCP/IPconnectioncountrequiredbytheU31EMSis().
1)65534
2)65535
3)65536
4)65537
参考答案:
1
考生答案:
2
,
第28题单选题(1分)
"关于veritas主备网管的倒换条件,下列说法不正确的是:Aboutswitchoverconditionsofveritasmaster/slaveEMSs,whichofthefollowingiswrong?"
1)主节点上选择Switch进行人工切换PressthebuttonSwitchonthemasternodetotriggerthemanualswitchover
2)按正常的关机操作来关闭主节点系统Turnoffthemasternodesystemaccordingtothenormalshutdownprocedure
3)直接拔掉主节点电源Cutoffthepowerofthemasternodedirectly
4)手工杀死主节点上的mssql数据库进程Killthemssqldatabaseprocessonthemasternodemanually
参考答案:
2
考生答案:
3
,
第30题单选题(1分)
"关于U31异地主备网管的安装及配置,下列说法不正确的是:AboutinstallationandconfigurationofU31remotemaster/slaveEMSs,whichofthefollowingiswrong?"
1)StorageFoundationHAforWindows主备网管均需要安装BothmasterandslaveEMSsneedtoinstalltheStorageFoundationHAforWindows.
2)Sqlserver2005数据库主备网管均需要安装BothmasterandslaveEMSsneedtoinstalltheSqlserver2005database.
3)NetnumenU31网管软件只需要安装在主网管服务器即可TheNetnumenU31EMSsoftwareonlyneedstobeinstalledonthemasterEMSserver.
4)配置复制服务只需要在主服务器上进行即可Theduplicationservicejustneedstobeconfiguredonthemasterserver
参考答案:
1
考生答案:
3
,
第60题多选题(2分)
"TDMPW双归场景中,AC侧采用STM-1对接时,关于oam-mapping方案部署参数和倒换方式描述正确的是InTDMPWdual-homingscenario,ACsideadoptsSTM-1forconnection.Aboutoam-mappingschemedeploymentparametersandswitchingmodes,whichofthefollowingstatementsarecorrect?"
"1)OAM-MAPPING方案要求BSC是MSP1+1方式,单向1+1和双向1+1均可以。OAM-MAPPINGschemerequiresBSCtobeMSP1+1mode,unidirectional1+1andbidirectional1+1arebothOK."
2)OAM-MAPPING方案要求PW配置1:1单发双收方案OAM-MAPPINGschemerequiresPWtobeconfiguredwith1:1single-transmitdual-receivescheme.
3)OAM-MAPPING方案要求PW配置1+1双发单收方案OAM-MAPPINGschemerequiresPWtobeconfiguredwith1+1dual-transmitsingle-receivescheme.
"4)该场景在和bsc对接时,PTN侧断发纤,PTN不做倒换动作PTNdeviceconnectstoBSC.TheTXopticalfiberatPTNsideisinterrupted,PTNdevicedoesnotswitch."
参考答案:
34
考生答案:
12
,
第32题多选题(2分)
"对于经过L3VPN网络转发的报文(统一方式隧道),从入口到出口的变化情况说法正确的是()AboutchangesofthepacketforwardedbyL3VPNnetwork(pipemode:uniformmode)fromingressinterfacetoegressinterface,whichofthefollowingstatementsarecorrect?"
1)报文完全没有变化Thepacketdoesnotchangeatall.
2)报文净荷没有变化Payloadofthepacketdoesnotchange.
3)报文的TTL有变化TTLofthepacketchanges.
4)报文的校验和有变化Checksumofthepacketchanges.
参考答案:
234
考生答案:
34
,
第33题多选题(2分)
"配置静态L3VPN承载在TP隧道上时,哪些步骤是必须的?ToconfigurestaticL3VPNtobecarriedonTPtunnel,whichofthestepsarerequired?"
"1)配置VRF中的RT,RDConfigureRT,RDinVRF"
2)配置到达PEER制定进入tunnelSettunnelasthepathfromthisendtopeerend
3)配置VRFglobal静态路由ConfigureVRFglobalstaticroute
4)配置私网入出标签Configureprivatenetworkin/outlabel
参考答案:
234
考生答案:
124
,
第34题多选题(2分)
"下列关于时钟时间的OAM功能中,哪些描述是正确的AboutOAMfunctionofclocktime,whichofthefollowingdescriptionsarecorrect?"
1)时钟频率增加了参考源内部不同备选源和主用参考源之间频率偏差的比较Clockfrequencyaddscomparisonoffrequencydeviationbetweendifferentstandbysourcesandactivereferencesourceinsidethereferencesource.
2)时间PTP方面增加了passive端口的同步信息和slave端口之间的同步信息的比较TimePTPaddscomparisonbetweensyncinformationofpassiveportandsyncinformationofslaveport.
3)时钟实现了跨节点进行频率比较的功能Theclockimplementsinter-nodefrequencycomparisonfunction.
4)时间PTP方面实现了自动进行非对称补偿的功能TimePTPimplementsasymmetriccompensationfunctionautomatically.
参考答案:
123
考生答案:
1234
,
第35题多选题(2分)
"61V3.00.10B53版本,支持SQM功能的业务单板有()。Inversion61V3.00.10B53,theserviceboardssupportingSQMfunctioninclude()."
1)OIGE8
2)OIGE8-YW32
3)OEIFGE
4)OIX6G
参考答案:
124
考生答案:
24
,
第36题多选题(2分)
SQM可以检测UU侧的转发通道情况,支持检测的业务类型包括。SQMcandetecttheforwardingchannelsituationofUUside.Theservicetypessupportingdetectioninclude().
1)NativeL3
2)L3VPN
3)NativeL2
4)L2VPN
参考答案:
1234
考生答案:
24
,
第38题多选题(2分)
不同设备支持的通用流测试实例数描述正确的有()。Whichofthefollowingstatementsaboutcommontraffictestinstancenumbersupportedbydifferentdevicesaretrue?()
1)ZXCTN6150/6180每业务单板支持8个通用流发射端、16个通用流反射端。EachserviceboardofZXCTN6150/6180supports8commontrafficemissionendsand16commontrafficreflectionends.
2)ZXCTN6150/6180每业务单板支持4个通用流发射端、8个通用流反射端。。EachserviceboardofZXCTN6150/6180supports4commontrafficemissionendsand8commontrafficreflectionends.
3)6120s主控板只有前4个端口支持通用流测试。6120smaincontrolboardonlyhasfourportssupportingcommontraffictest.
"4)608系列产品中,只有608P支持通用流功能;608G不支持通用流功能。For608seriesproducts,only608Psupportsthecommontrafficfunction;608Gdoesnotsupportthecommontrafficfunction."
参考答案:
23
考生答案:
134
,
第46题多选题(2分)
关于6500设备加载补丁说法不正确的是?Whichofthefollowingstatementsaboutthepatchesloadedtothe6500equipmentarewrong?()
1)所有热补丁都不需要复位单板。Allhotpatchesdonotneedtoresetboard.
2)所有冷补丁都不需要复位单板。Allsoftpatchesdonotneedtoresetboard.
"3)有的冷补丁需要倒换主控板,有的则需要复位交换板,也有的需要复位所有线卡。Somesoftpatchesneedtoswitchmaincontrolboard,someneedtoresetswitchboard,andsomeneedtoresetalllinecards."
"4)加载热补丁包时不需要复位单板,可以白天操作。Loadinghotpatchpackagedoesnotneedtoresetboard,sotheoperationcanbeperformedindaytime."
参考答案:
124
考生答案:
23
,
第51题多选题(2分)
"关于ICCP的部署,说法正确的是:AboutICCPdeployment,whichofthefollowingdescriptionsarecorrect?"
"1)DNI-PW和arp热备必须使用同一个iccp会话,否则可能导致dni-pw倒换异常DNI-PWandarphotstandbymustusethesameiccpsession,otherwisedni-pwswitchingmaybecomeabnormal."
"2)对于v2.0及v1.0,Iccp会话必须走nativeip方式,所以桥接点间不可以使用基础免配Forv2.0andv1.0,iccpsessionmusttakenativeipmode,sothebasicdataconfiguration-freecannotbeusedbetweenthebridgingnodes."
"3)ICCP通道需要部署主备路由,同时部署静态路由bfdICCPchannelneedstobedeployedwithmaster/slaveroutes,andmeantimedeployedwithstaticroutebfd."
"4)对于arp热备和dni-pw,要求主备桥接点上绑定的iccp会话一致。Forarphotstandbyanddni-pw,theiccpsessionsboundonthemaster/slavebridgingnodesshouldbethesame."
参考答案:
234
考生答案:
1234
,
第52题多选题(2分)
"关于联动部署原理及配置,下列说法正确的是:Aboutlinkagedeploymentprinciplesandconfiguration,whichofthefollowingstatementsarecorrect?"
"1)对于桥接点,一般部署L3到L2的联动。当桥接点上行L3隧道所在光路中断时,断掉L2VPN所在线卡的N侧端口,使PW发生倒换。Forthebridgingnode,weusuallydeployL3-to-L2linkage.WhentheopticalpathwhereuplinkL3tunnelofthebridgingnodelocatesgetsinterrupted,disconnectN-sideportofthelinecardwhereL2VPNlocatestomakePWtoswitch."
"2)桥接点落地分离场景,需要部署L3N到U的联动,当落地点下行L3隧道所在光路中断时,断掉IPFRR主用路由所在端口,使远端ipfrr倒换。Inthescenariowherethebridgingdeviceandthelandingdeviceareindependentofeachother,itisnecessarytodeployL3N-to-Ulinkage.WhentheopticalfiberwherethedownlinkL3tunnelofthelandingdevicepassesthroughisinterrupted,thelandingdevicedisablestheportassociatedwithIPFRRmasterroute,makingthepeer-enddevicetogothroughIPFRRswitching."
"3)桥接点落地分离场景,需要部署L3U到N的联动,当IPFRR主备路由所在端口down时,让L3VPN的N侧隧道产生loc,触发vpn-VPN倒换。Inthescenariowherethebridgingdeviceandthelandingdeviceareindependentofeachother,itisnecessarytodeployL3U-to-Nlinkage.WhentheportwhereIPFRRmaster/slaverouteslocateisdown,makeNsidetunnelofL3VPNtogenerateloctotriggervpn-VPNswitching."
"4)为了防止主桥接点上L2VPN所在n侧端口故障,下行vpnfrr不倒换,导致业务中断,也需要在桥接点上部署L2到L3的联动。WhenN-sideportonmasterbridgepointwhereL2VPNlocatesgoesfaulty,thedownlinkvpnfrrmaynotswitch,sotheservicesgetinterrupted.Therefore,itisnecessarytodeployL2-to-L3linkageonthebridgepoint."
参考答案:
23
考生答案:
123
,
第54题多选题(2分)
"关于网关网元功能,下面描述正确的是AboutthegatewayNEfunction,whichofthefollowingdescriptionsarecorrect?"
"1)网管到非网关网元方向的TCP建链报文中,网关网元将更改源IP和源TCP端口号InTCPlinksetuppacketfromtheEMStothenon-gatewayNE,thegatewayNEmodifiesthesourceIPandsourceTCPportID."
"2)非网关网元到网管方向上,网关网元将更改目的IP和TCP目的端口号Inthedirectionfromthenon-gatewayNEtotheEMS,thegatewayNEmodifiesthedestinationIPandTCPdestinationportID."
"3)网管到非网关网元方向的TCP建链报文中,网关网元将更改目的IP和TCP目的端口号IntheTCPlinksetuppacketfromtheEMStothenon-gatewayNE,thegatewayNEmodifiesthedestinationIPandTCPdestinationportID."
"4)非网关网元到网管方向上,网关网元将更改报文中的源IP和TCP源端口号Inthedirectionfromthenon-gatewayNEtotheEMS,thegatewayNEmodifiesthesourceIPandTCPsourceportIDinthepacket."
参考答案:
34
考生答案:
1234
,
第56题多选题(2分)
"为了提高监控可靠性,可部署主备网关网元,关于其部署,说法正确的是:Topromotemonitoringreliability,youcandeploymaster/slavegatewayNEs.Aboutthedeployment,whichofthefollowingdescriptionsarecorrect?"
"1)当接入网元与网管间为L2网络时,需要在主备接入网元的接口上或QX口上启用VRRP功能。WhenL2networkrunsbetweentheaccessNEandtheEMS,itisnecessarytoenableVRRPfunctionontheinterfaceorQXinterfaceofthemaster/slaveaccessNEs."
"2)当接入网元与网管间为L3网络时,需要在主备接入网元上配置至网管的静态路由方式。WhenL3networkrunsbetweentheaccessNEandtheEMS,onthemaster/slaveaccessNEs,itisnecessarytoconfigurethestaticroutemodetotheEMS."
"3)当是VRRP方式时,主备网关网元之间必须有直连光路,以交互vrrp心跳报文。IncaseofVRRPmode,theremustbedirectly-connectedopticalpathandexchangevrrpheartheatpacketbetweenmasterandslavegatewayNEs."
"4)当接入网元与网管间为L3网络时,DCN网络也需要配置指向PTN设备的静态路由,通过metric确定下行路由。WhenL3networkrunsbetweentheaccessNEandtheEMS,DCNnetworkalsoneedstobeconfiguredwiththestaticroutepointingtothePTNdeviceanddownlinkrouteisdeterminedthroughmetric."
参考答案:
24
考生答案:
134
,
第57题多选题(2分)
"关于OSPF划域规则,以下说法正确的是:AboutOSPFareaallocatingrules,whichofthefollowingdescriptionsarecorrect?"
1)一个子网建议不超过20个非骨干域Onesub-netshouldnothavemorethan20non-backboneareas.
"2)对于ABR而言,该网元的LOOPBACKIP以及和area0域对接的接口IP都分配为area0域,和非area0域对接的接口IP为与此非area0域相同的域号ForABR,LOOPBACKIPaddressandtheinterfaceIPaddressofthisNEconnectedtoarea0belongtoarea0.TheinterfaceIPaddressconnectedtonon-area0hastheareaIDsametothisnon-area0."
"3)对于非area0域节点,需配置stub区域Fornon-area0areanode,itisnecessarytoconfigurestubarea."
"4)对于area0域网元非ABR而言,整网网元的所有接口IP以及LOOPBACK均为area0域Fornon-ABRofarea0NE,interfaceIPandLOOPBACKaddressesofalltheNEsonthenetworkbelongtoarea0."
参考答案:
1234
考生答案:
234
,
第62题判断题(1分)
arp热备部署目的是保证上下行流量不一致时,桥接点下行正常转发。Thepurposeofarphotstandbyistoensurethatdownlinktrafficofthebridgepointcanbeforwardednormallywhenuplinktrafficanddownlinktrafficareinconsistent.
参考答案:
是
考生答案:
否
,
第63题判断题(1分)
"对于U31中英文版本的切换,必须像E300那样要通过修改环境变量。ToachieveswitchoverbetweenChineseandEnglishversionsofU31,itisnecessarytomodifytheenvironmentvaribleofthesystemlikeE300."
参考答案:
否
考生答案:
是
,
第64题判断题(1分)
1588V2PTP报文既可以在PPS+TOD接口上承载,也可以在FE/GE/XGE上承载。1588V2PTPpacketcanbecarriedeitheronPPS+TODinterfaceorFE/GE/XGE.
参考答案:
否
考生答案:
是
,
第66题判断题(1分)
网管向非网关网元发出的目的地址为网关网元的地址,源端口号为网关网元分配的端口号。ThedestinationaddresssentfromEMStoanon-gatewayNEisanaddressofGNE.ThesourceportnumberistheoneassignedbyGNE.
参考答案:
否
考生答案:
是
,
第68题判断题(1分)
"在PTN的三层MCC网络规划中,MCCvlan必须全网唯一。InPTN'sL3MCCnetworkplanning,MCCvlanmustbeuniquethroughoutthenetwork."
参考答案:
否
考生答案:
是
,
,
,
,
,
第2题单选题(1分)
"关于联通ipran场景中,IPG控制平面部署,说法错误的是:IntheIPRANscenarioofChinaUnicom,aboutIPGcontrolplanedeployment,whichofthefollowingiswrong?"
"1)核心汇聚层启用ISIS,当核心层设备+汇聚层+9000扩展子架设备小于200时核心汇聚层设备均部署ISIS-L2;ThecoreconvergencelayerisenabledwithISIS.Whenthenumberofdevicesatthecorelayer,theconvergencelayerandthe9000extensionsubrackissmallerthan200,thedevicesatthecoreconve"
"2)核心汇聚层设备大于等于200时,建议核心层设备部署ISIS-L2,汇聚层部署L1;Whenthenumberofdevicesatthecoreconvergencelayerislargerthan200,werecommendthedevicesatthecorelayerbedeployedwithISIS-L2,andtheconvergencelayerbedeployedwithL1."
"3)如果原核心汇聚小于200,后续汇聚扩展超过200时,新增汇聚可放到ISIS-L1中Ifthenumberofdevicesattheoldcoreconvergencelayerissmallerthan200,whenthenumberattheconvergencelayerlaterincreasesto200,thenewdevicescanbedeployedintheISIS-L1."
"4)当核心汇聚层超过256个网元以上的时候,需要开启ISIS多进程Whenthenumberofdevicesatthecoreconvergencelayerexceeds256,itisnecessarytoenabletheISISmulti-process."
参考答案:
4
考生答案:
2
,
第3题单选题(1分)
"9000设备32R2以上版本,当下行OutgressPE的VLL/VFI/VRFQOS模式设置为_模式,下行PE不更改客户报文优先级,并根据外层EXP调度。Withthe9000devicesrunningversion32R2andlaterversions,whenVLL/VFI/VRFQOSmodeofthedownlinkegressPEissetto__mode,thedownlinkPEdoesn’tmodifyprioritiesoftheclientpackets,andschedulesthemaccordingtotheouterEXP."
1)Uniform
2)pipe
3)short-pipe
4)long-pipe
参考答案:
2
考生答案:
1
,
第6题单选题(1分)
"对于我司PTN设备支持的1588V2时间同步方案中,时间消息必须在1PPS的上升沿多长时间内传完?Forthe1588V2timesynchronizationschemesupportedbyZTE’sPTNdevices,howlongwillittaketofinishthesubmittingoftimemessages(1PPS)?"
1)10ms
2)50ms
3)100ms
4)200ms
参考答案:
3
考生答案:
1
,
第7题单选题(1分)
关于业务时钟的优化方案,以下说法正确的是:Whichofthefollowingstatementsabouttheoptimizationschemeofserviceclockistrue?
1)部署PTN网络系统时钟同步对CES业务及以太网业务都没有关系。ThedeploymentofsystemclocksynchronizationonthePTNnetworkhasnothingtodowiththeCESserviceandEthernetservice.
"2)CES业务一般比较重要的是发送时钟,在条件允许的情况下,一般建议部署系统时钟(设备还未实现差分时钟功能的情况下)。FortheCESservice,thetransmitclockismoreimportant.Asallowed,itisrecommendedthatyoudeploythesystemclock(incasethatthedifferentialclockfunctionisnotimplemented)."
"3)CES业务发送时钟不论部署系统时钟还是自适应时钟没有区别,不需要进行网络调整优化。ForthetransmitclockoftheCSEservice,youcandeployeitherthesystemclockoradaptiveclock.Itisnotnecessarytoadjustandoptimizethenetwork."
"4)以太业务如果部署同步以太后,可以大大降低业务的传递时延。FortheEthernetservice,aftersynchronousEthernetisdeployed,thetransportdelayoftheservicecanbereducedgreatly."
参考答案:
2
考生答案:
4
,
第9题单选题(1分)
在PTN网络进行保护方面的规划设计时,以下规划建议错误的是:WhichofthefollowingprotectionplansforPTNnetworkiswrong?
"1)设备级保护包含主控交换板、电源板、TPS等保护方式,在条件允许的情况下建议将保护单板全部配齐。Devicelevelprotectioninvolvesmaincontrolswitchboardprotection,powerboardprotectionandTPSprotection.Ifpossible,configureaprotectionboardforeachofthem."
"2)对于网络侧保护,现场可以采用LSP线性保护、PW双归保护、环网保护。LSPlinearprotection,PWdualhomedprotectionandringnetworkprotectioncanbeadoptedonsitefornetworksideprotection."
3)LACP保护一般应用于核心层设备。LACPprotectionusuallyappliestodevicesatcorelayer.
4)我司提供的所有保护方式的倒换时间都可以做到50ms之内。SwitchinginallprotectionmodessupportedbyZTE'sdevicescanbeimplementedwithin50ms.
参考答案:
4
考生答案:
3
,
第11题单选题(1分)
"在现网的网络建设中,出现9008替换6300的场景,关于解决方案,说法不正确的是:Duringnetworkconstructionforanexistingnetwork,when9008isusedtoreplace6300,whichofthefollowingsolutionsiswrong?"
"1)由于6000与9000设备标签范围及处理方式的不同,无法直接进行脚本转换升级替换。Since6000and9000aredifferentinequipmentlabelrangesandprocessingmodes,6000cannotbereplacedby9000throughthescriptconversiondirectly."
"2)如果网络结构简单,可以考虑采用扩缩容工具对9008进行扩容后,在对6300进行缩容处理。Ifthenetworkissimpleinstructure,acapacityexpansionandcontractiontoolcanbeusedtoadd9008andlaterremove6300."
"3)对于结构复杂的汇聚点,只能采用新扩容9008,在通过新建光路到9008下,执行业务割接方式的方法,无法采用别的方法。Foraconvergencenodeincomplexstructure,youcanonlyfollowthewayofdeployingthe9008devices,thencreatinganewopticalpathtothem,andthencuttingovertheservicestothem.Otherw"
"4)若采用扩缩容方式,若6300上有落地业务,则无法直接缩容处理。Incapacityexpansionandcontractionmode,ifthereareservicesterminatedat6300,then6300cannotberemoveddirectly."
参考答案:
3
考生答案:
1
,
第13题单选题(1分)
"L2VPN+CE方案场景中,1、若告知当前CE作为基站网关,基站网关只使用VRRP主备方式,2、且CE不支持L2交换功能,3、VRRP报文走的是L3心跳线方式;4、一个基站一个网段那么PTN这一侧应该采用什么部署方式来保证流量正常收发以及基本的可靠性方案?InL2VPN+CEscheme:1.IfthecurrentCEservesasgatewayofthebasestation,thelatercanonlyuseVRRPmaster/slavemode.2.CEdoesnotsupportL2switchfunction.3.VRRPpacketusesL3heartbeatlinemode.4.Onebasestationuseonenetworksegment.Then,PTNsideshouldusewhichdeploymentmodetoensurenormaltrafficreceptionandtransmissionandbasicreliabilityscheme?"
1)PTN采用DNI-PW,单发双收方案。TheschemethatPTNusesDNI-PWwithsingletransmissionandconcurrentreception
2)PTN采用DNI-PW,单发单收方案。TheschemethatPTNusesDNI-PWwithsingletransmissionandsinglereception
"3)PTN采用oam-mapping,单发单收方案,且部署arp双发;TheschemethatPTNusesoam-mappingwithsingletransmissionandsinglereception,beingdeployedwitharpconcurrenttransmission"
"4)PTN采用oam-mapping,单发双收方案,且部署arp双发;TheschemethatPTNusesoam-mappingwithsingletransmissionandconcurrentreception,beingdeployedwitharpconcurrenttransmission"
参考答案:
4
考生答案:
3
,
第14题单选题(1分)
"6500对应1.0硬件的线卡单线卡支持的快速3.3ms的oam数目不建议超过多少?单线卡支持的meg数目是多少?整机支持的meg数目是多少?For6500correspondingtothelinecardof1.0hardware,Thenumberofoamoffast3.3mssupportedbyasinglelinecardhadbetternotexceed().Thenumberofmegsupportedbyasinglelinecardis().Thenumberofmegsupportedbytheintegratedsystemis()."
"1)2000,8000,16000"
"2)1700,4000,16000"
"3)1700,4000,8000"
"4)2000,4000,8000"
参考答案:
3
考生答案:
2
,
第15题单选题(1分)
"下列关于TDM的oam-mapping保护场景中,BSC侧配置MSP单向1+1保护,下面描述正确的是:()。Intheoam-mappingprotectionscenarioaboutTDM,BSCsideisconfiguredwithMSPunidirectional1+1protection.Whichofthefollowingstatementsistrue?"
"1)A.OAM-MAPPING方案要求BSC是MSP1+1方式,单向1+1和双向1+1均可以。OAM-MAPPINGschemerequiresthatBSCshouldbeinMSP1+1mode,eitherunidirectional1+1orbidirectional1+1."
2)B.OAM-MAPPING方案要求PW配置1:1单发双收方案。OAM-MAPPINGschemerequiresPWtoconfigure1:1singletransmissionandconcurrentreceptionscheme.
3)C.OAM-MAPPING方案要求PW配置1+1双发单收方案。OAM-MAPPINGschemerequiresPWtoconfigure1+1concurrenttransmissionandsinglereceptionscheme.
"4)D.该场景在和bsc对接时,PTN侧断发纤,PTN也会执行倒换动作。Underthisscenario,inthecaseofinterconnectionwithbsc,thetransmissionfiberisinterruptedatPTNside.PTNalsoperformstheswitchoveraction."
参考答案:
3
考生答案:
1
,
第17题单选题(1分)
"关于OAM类故障处理,下列说法正确的是:()AboutOAMtypefaulthandling,whichofthefollowingiscorrect?"
"1)若A网元报TMC-LOC,而Z网元无告警,可能是A网元下发异常,PW和隧道未绑定导致IfNEAreportsTMC-LOC,butarelevantalarmdoesnotoccurtoNEZ,itmaybebecausedeliveryofNEAisabnormalandPWandtunnelarenotbound."
"2)若A网元报TMP/TMC-RDI,而Z网元无告警,A可能是误告警,可以通过环回检测确认。IfNEAreportsTMP/TMC-RDI,butarelevantalarmdoesnotoccurtoNEZ,itmaybebecauseNEAdeliversthefalsealarmwhichcanbeconfirmedbyloopbackdetection."
"3)若A向Z做LB检测通,说明A与B间的基础数据无任何问题IfLBdetectionfromNEAtoNEZispassed,itindicatesbasicdatabetweenAandBhasnoproblem."
"4)当出现不期望UNPhb,UNPeriod,UNMep等时,一定是两端MEP配置不一致导致的。UnexpectedUNPhb,UNPeriodandUNMepmustbecausedbyunconsistentMEPconfigurationsontwoends."
参考答案:
2
考生答案:
4
,
第20题单选题(1分)
关于PTN割接工具的叙述错误的是()WhichofthefollowingstatementsaboutthePTNcutovertoolisfalse?
"1)在进行业务添加时,若将隧道伪线添加进割接前业务,出于安全考虑,割接过程中仍将保留原有业务的隧道和伪线。Whenaddingservices,ifyouaddthetunnelPWtoservicesconfiguredbeforecutover,tunnelsandPWoftheoriginalservicearestillkeptforsecurityduringthecutover."
"2)创建割接后业务,实际调用的就是创建各类业务的界面,所以创建过程与业务视图下场景创建操作相同即可。Actually,thepageforcreatingvariouskindsofservicesisinvokedtocreateservicesthathavebeencutover.Therefore,thecreationoperationisthesameasthescenariocreationoperationintheservice."
"3)割接操作实际上就是从设备上删除原业务,将新业务由网管下发到设备的过程。Thecutoveroperationistodeletetheoriginalservicesoftheequipment,andissuenewservicesfromtheEMStotheequipment."
"4)如选中的是组,则针对组进行割接;如选中的是计划,则针对计划内的所有组进行割接。Ifagroupisselected,itindicatestocutoverthegroup;ifaplanisselected,itindicatestocutoverallthegroupsintheplan."
参考答案:
1
考生答案:
2
,
第21题单选题(1分)
"6500接入网元时,采取dcn监控方式,当接入网元不能ping通时,以下处理错误的是:()。Whenthe6500devicegetsaccesstoanNE,dcnmonitoringmodeisused.WhentheaccessNEcannotbepingedthrough,whichofthefollowingmeasurestobetakeniswrong?()"
"1)检查SAIA板要运行正常,可以用showprocessor命令查看单板状态。CheckwhethertheSAIAboardisrunningnormally.Ifitisrunningnormally,youcanruntheshowprocessorcommandtocheckboardstatus."
2)检查dcn域内是否有网管服务器的ip地址,可以用showdcnfib查看,保证dcn转发表中要有网管服务器的ip地址。CheckwhetherthereistheIPaddressofEMSserverinthedcndomain.YoucanruntheshowdcnfibcommandtoviewsoastoensurethatthedcnforwardingtablehastheIPaddressofEMSserver.
3)网管上建立的网元IP地址使用的是mngip。NEIPaddresscreatedontheEMSusesmngip.
"4)该问题发生时,一般同网管服务器关系不大,主要是接入网元的dcn配置问题会影响监控不通。Whenthisproblemoccurs,itisgenerallynotrelatedtoEMSserver.ItismainlycausedbythedcnconfigurationproblemofaccessNE,whichleadstomonitoringfailure."
参考答案:
4
考生答案:
3
,
第24题单选题(1分)
新配置一条隧道,发现隧道一端上报loc告警,分析原因不可能是:Atunnelisbuilt.OneendofitisfoundtoreporttheLOCalarm.Sowhichofthefollowingisnotthetruereason?
"1)隧道两端PEOAMchanneltype参数不一致Theparameters""PEOAMchanneltype""attwoendsofthetunnelarenotconsistent."
2)基础数据配置错误Basicdataconfigurationiswrong.
3)某段链路光功率异常Opticalpowerofasectionoflinkisabnormal.
"4)oam参数两端不一致Theparameters""OAM""attwoendsaredifferent."
参考答案:
1
考生答案:
4
,
第25题单选题(1分)
"PTN设备的MSP的1:1APS的工作通道本端收到AIS后_____倒换;LSP的1:1APS的工作通道本端收到LOC后_____倒换。ForthePTNdevice,thelocalendofworkingchannelfor1:1APSofMSPperformschangeover_______afterreceivingAIS,andthelocalendofworkingchannelfor1:1APSofLSPperformschangeover_______afterreceivingLOC."
1)需要协议交互后;立即afterprotocolinteraction;immediately
"2)立即;需要协议交互后immediately,afterprotocolinteractio"
3)需要协议交互后,需要协议交互后afterprotocolinteraction;afterprotocolinteractio
"4)立即;立即immediately,immediately"
参考答案:
3
考生答案:
2
,
第30题单选题(1分)
U31网管要求的TCP/IP连接数为()TheTCP/IPconnectioncountrequiredbytheU31EMSis().
1)65534
2)65535
3)65536
4)65537
参考答案:
1
考生答
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