大工16春《专业英语(计算机英语)》在线测试2答案

一、(共 20 道试题,共 80 分。)

1. ( ), softwr us in orport ntworks (intrnts n xtrnts) to prvnt unuthoriz popl from ssing th ntwork.
. Firwll
. Mom
. Hyprtxt
. TP
正确答案:
2. ( ) lso ll progrm, is th sris of omputr lngug o instrutions tht tlls th omputr how to prform tsks.
. Softwr
. Hrwr
. ompilr
. Intrprtr
正确答案:
3. ( ) is highly intllignt vi tht supports onntivity twn oth lik n unlik LNs,n twn LNs n WNs or MNs.
. routr
. rptr
. swith
. rig
正确答案:
4. ( ), short for moultor/moultor, vi tht onvrts igitl signls into rprsnttion of nlog form(moultion) to sn ovr phon lins; riving mom thn onvrts th nlog signl k to igitl signl(moultion).
. Srvr
. Ntwork
. Mom
. Gtwy
正确答案:
5. ( ) hnnl llows simultnous mssg xhng in oth irtions.It rlly onsists of two simplx hnnls, forwr hnnl n rvrs hnnl,linking th sm points.
. hlf-uplx
. full-uplx
. simplx
. non of th ov
正确答案:
6. ( ) is n ronym for lol r ntwork.It is group of omputrs n othr vis isprs ovr rltivly limit r n onnt y ommunitions link.
. LN
. WN
. MN
. Non of th ov
正确答案:
7. Th PU xuts progrms o in lowr lvl lngug ll th ( ).
. utility progrm
. lngug trnsltor
. mhin lngug
. kup
正确答案:
8. ( ) is softwr tht looks t n ntir high-lvl progrm for trnslting it into mhin lngug.
. ompilr
. intrprtr
. instrution
. pross
正确答案:
9. ( ) progrms r us to rovr lt or mg(orrupt) fils.
. t rovry
. Systm ll
. Systm rsh
. Systm softwr
正确答案:
10. In ( ) mo, th ommunition is uniirtionl, lik on-wy strt. Only on of th two sttions on link n trnsmit;th othr n only riv.
. hlf-uplx
. full-uplx
. simplx
. non of th ov
正确答案:
11. Linux is n oprting systm similr to ( ) tht is oming mor n mor populr.
. Winows 98
. Winows 2000
. Winows XP
. Unix
正确答案:
12. ( ) is vi tht funtions s oth routr n rig.
. Rptr
. Swith
. Gtwy
. routr
正确答案:
13. ( ), iffrn twn th lowst n highst frqunis trnsmitt in prtiulr hnnl or systm.
. mplitu
. nwith
. rig
. Ntwork
正确答案:
14. ( ), th protool for trnsfrring HTML fils on th W.
. HTML
. ISP
. lint
. Srvr
正确答案:
15. Two typs of softwr r ( ) n pplition softwr.
. systm softwr
. systm ll
. systm rsh
. systm hrwr
正确答案:
16. Th ( ) is utomtilly lo into RM soon ftr you turn on, or "oot" th omputr.
. pplition softwr
. oprting softwr
. shll
. ompilr
正确答案:
17. In ( ) ntwork, ll miroomputrs n othr ommunition vis r onnt to ontinuous loop.
. us
. str
. tr
. ring
正确答案:
18. ( ) is th numr of tims wv rpts uring spifi tim intrvl,tht is how mny tims it omplts yl in on son.
. mplitu
. Frquny
. nlog signls
. igitl signls
正确答案:
19. ( ) is init y th hight of wv within givn prio of tim.
. mplitu
. Frquny
. nlog signls
. igitl signls
正确答案:
20. In ( ) ntwork, ll miroomputrs n othr ommunitions vis r onnt to ntrl hu, suh s fil srvr or host omputr, usully vi (UTP).
. us
. str
. tr
. ring
正确答案:

二、(共 10 道试题,共 20 分。)

1. Uplo, to sn fils from usr's miroomputr to nothr omputr. ompr with ownlo.( )
. 错误
. 正确
正确答案:
2. Oprting systm is st of progrms tht prform spifi tsks for usrs.( )
. 错误
. 正确
正确答案:
3. LN, ommunitions ntwork tht ovrs wi gogrphil r, suh s stt or ountry.( )
. 错误
. 正确
正确答案:
4. ++ is n ojt-orint progrmming lngug.( )
. 错误
. 正确
正确答案:
5. vi rivrs r spiliz progrms sign to llow prtiulr input or output vis to ommunit with th rst of th omputr systm.( )
. 错误
. 正确
正确答案:
6. rig, intrf tht nls WNs to ommunit.( )
. 错误
. 正确
正确答案:
7. Lngug trnsltors onvrt th progrmming instrutions into lngug tht omputrs unrstn n pross.( )
. 错误
. 正确
正确答案:
8. Usr intrf ontrols how you ntr t or instrutions n how informtion is isply on th omputr srn.( )
. 错误
. 正确
正确答案:
9. Gtwy, intrf tht nls issimilr ntworks to ommunit with on nothr.( )
. 错误
. 正确
正确答案:
10. pplition softwr onsists of progrms tht prform spifi tsks for usrs.( )
. 错误
. 正确
正确答案:

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