2023年诺西文档资料开发工程师笔试题

TestforCandidates

Directions:

1.Pleas.answc.aLth.quesiion.i.anothe.paper.（请在此夕卜•张白纸上答.

2.Fil.i.you.nam.i.lh.paper.（在白纸上写上你的I名字

3.Tr.t.finis.th.exa.withi..hour.（尽量.1小时内完毕

PartIPleasegivetheEnglishandChinesedescriptionstothefollowing

abbreviations（20p,2point/question.

e.g.BGP.Borde.Gatewa.Protocol.边界网关协议

l.ADSL:

2.SIP:

3.AAA:

4.PPPoE:

5.DSLAM:

6.CDMA:

7.ATM:

8.RADIUS:

9.POTS:

10.P-CSCF:

PartIIThereisonlyonecorrectanswerforeachquestion,pleasemarktherightone

with"Y”(lOp,1point/question.

Il.Th.rang.o..H.t..kH.i.reservc.fo.analo.voic.traffic.ADS.occupic.frcqucncie.abov.th

a.range.Wha.i.th.uppe.boundar.fo.curren.ADS.implementations?

A..kHz

B..kHz

C.L.MHz

D.4.kHz

12.Whic.laye.o.lh.OS.referenc.mode.i.responsibl.fo.ensurin.reliabl.end-to-

en.deliver.o.data?

A.Application

B.Presentation

C.Session

□.Transport

E.Neiwork

F.Data-Link

13.

FourLANswitchesareconnectedtogetherasshowninthefigurebelow:

SwitchA

Stud.th.figur.carefully.Wha.i.th.purpos.o.th.Spannin.Tre.Protoco.(ST.tha.i.opcratin.i.

th.switc.topology?

A.T.elec..particula.switc.a.backu.designate.switch.

B.T.preven.frame.fro.loopin.an.hav.on.activ.Lwork.

C.T.work.

D.T.lear.th.MA.work.

E.T.distribut.VLA.work.

14.Wtoco.i.use.t.fin.th.hardvvar.addres.o..loca.device?

A.RARP

B.ARP

C.IP

D.ICMP

E.BootP

15.Yo.wan.t.implenien..mechanis.tha.automate.th.I.configuration.includin.Laddress.

subne.mask.defaul.gateway.an.DN.information.Wtoco.wiLyo.us.t.accomplis.this?

A.SMTP

B.SNMP

C.DHCP

D.ARP

16.Whic.clas.o.I.wor.ID?

A.CIas.A

B.Clas.B

C.Clas.C

D.Clas.D

E.CIas.E

17.I.yo.us.eithe.Telne.o.FTP.whic.i.th.highes.laye.yo.ar.usin.t.transmi.data?

A.Application

B.Presentation

C.Session

□.Transport

18.Th.Do.mode.(als.calle.th.TCP/I.stac.ha.fou.layers.Whic.laye.o.th.Do.mode.i.equi

valen.t.th.Networ.laye.o.th.OS.model?

A.Application

B.Host-to-Host

C.Internet

D.Networ.Access

19.

Th.followin.illustrauo.show..dat.s(ruc(ur.header.W(oco.i.(hi.heade.from?

Sourceport(16)Destinationport(16)

Sequencenumber(32)

Acknowledgmentnumber(32)

Header

length(4)Reserved(6)Codebits(6)Window(16)

Checksum(16)Urgent(16)

Options(0or32ifany)

A.IP

B.ICMP

C.TCP

D.UDP

E.ARP

F.RARP

20.PA.allow.whic.o.th.following?

A.One-to-on.I.addres.tninslaiio.diroug.th.CP.router

B.Many-to-on.I.addres.translalio.throug.th.CP.router

C.Application-specifi.por.number.t.b.manuall.configuie.fo.translation

D.Stati.I.addres.translations

PartHIThereareatleasttwocorrectanswersfbreachquestion,pleasemarkthe

rightanswerswith"7”(20p.2point/question.

2LWha.ar.th.dccima.an.hcxadccima.cquivalcnt.o.th.binar.numbc.l0011101.(Choos.t

wo.

A.139

B.157

C.185

D.0x9D

E.0xD9

F.0xl59

22.Whic.o.th.followin.dcscrib.th.DHC.Discove.message.(Choos.two.

A.I.use.FF:FF:FF:FF:FF:F.a..layc..broadcast.

B.Luse.UD.a.th.Ttocol.

C.I.use.TC.a.th.Ttocol.

D.I.doe.no.us..laye..destinatio.address.

23.Whic.statement.ar.tru.regardin.ICM.packets.(Choos.two.

A.The.acknowledg.receip.o..TC.segment.

B.The.guarante.datagra.delivery.

C.Tblems.

D.The.ar.encapsulate.wichi.I.datagrams.

E.The.ar.encapsulate.withi.UD.datagrams.

24.Whic.o.th.foliowin.ar.TCP/Lprotocol.use.a.th.Applicaio.laye.o.th.OS.model.(Ch

oos.three.

A.IP

B.TCP

C.Telnet

D.FTP

E.TFTP

25.Whic.o.(h.followin.ar.privat.I.addresses?

A.

B.9

C.6

D.0

E.3

F.

26.Whic.o.th.fbllowin.ar.reason.wh.WF..th.co

rrec.queue?

A.Tbine.WF.queue.ha.bee.exceeded.

B.Th.queu.lengt.fo.th.flc.ha.passe.th.WRE.niinimu.dio.threshold.

C..h.WF.queu.lengt.fo.th.queu.wher.th.newl.arrive.packe.shoul.b.place.ha.exceede.t

h.CDT.

D.EC.feedbac.ha.bee.signaled.rcquestin.tha.th.TC.sende.slo.down.

27.Whic.o.th.following.ar.no.function.o.th.LA.Emulatio.Clicn.(LEC?

A.Control

B.Dat.forwarding

C.Addres.resolution

D.ELA.assignment

28.Wvid.authenticatio.services?

A.PIX

B.Logging

C.RADIUS

D.TACACS+

E.Firewal.featur.set

29.LOSPF.wher.ca..route.ge.th.route.I.from?

A.Loopbac.Laddress

B.Lowes.I.erfac.whe.OSP.starts

C.Highcs.I.crfac.whc.OSP.starts

D.MA.addrcs.o.Ecrfacc

E.OSP.proccs.ID

30.Whic.methodologie.ar.use.t.facilitat.ADS.connectivit.t.subscribers?

A.PPPoE

B.VoIPoFR

C.PPPoA

D.QoS

Lon.Ter.Busines.Support.Netvvor.Systern.Par..Answe.th.followin.questions.3I.PIeas.

translat.th.foliowin.paragraph.fro.Chines.t.English.th.ls.sentenc.i.a.example.(20p.abou.20

Chines.word.一种虚拟路由器是一种路由设备中静态或动态线程R勺集合.提供类似物

理路由器的路由和转发.务.从虚拟专用网(VPN)顾客的角度来看，虚拟路由器应

当与物理路由器尽量地相似。换言之.除了极个别状况外，虚拟路由应当在各方面

(配置、管理、检测、故障排除)都象一种专用口勺.理路白器.虚.路由器包括如下功

能.1.对任意路由协议组合的配.2.对网络的检.3.故障排.每.VP.均有一种逻辑上独立

的路由域，这.S.就可以更好地为顾客提供相称灵活的虚拟路.器服务，而无需为每

一.VP.准备一种物理路由

^r..virtua.roule.i..collectio.o.lhreads.eilhe.stati.o.dynamic.i..routin.device.(vide.iout

in.an.forwardi