安徽2025自考[计算机科学]英语二考前冲刺练习题.docxVIP

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安徽2025自考[计算机科学与技术]英语（二）考前冲刺练习题

一、选择题（每题1分，共20分）

1.WhatistheprimarypurposeoftheInternet?

A.Toprovideentertainment

B.Tofacilitateglobalcommunication

C.Tosellproductsonline

D.Tostoredatalocally

2.WhichofthefollowingisNOTapartoftheOSImodel?

A.Physicallayer

B.Datalinklayer

C.Userinterfacelayer

D.Networklayer

3.Inprogramming,whatdoestheacronymAPIstandfor?

A.ApplicationProgrammingInterface

B.AdvancedProgrammingInstrument

C.AutomateProgrammingIntegration

D.ApplicationProtocolIdentifier

4.Whichdatabasemodelismostsuitableforstoringhierarchicaldata?

A.Relationalmodel

B.Networkmodel

C.Hierarchicalmodel

D.Object-orientedmodel

5.Whatisthemainadvantageofcloudcomputing?

A.Highcost

B.Limitedscalability

C.Reducedmaintenance

D.Decreasedsecurity

6.Whichofthefollowingisaclient-sidescriptinglanguage?

A.Java

B.Python

C.JavaScript

D.C++

7.Whatdoesthetermbandwidthrefertoinnetworking?

A.Datatransferrate

B.Networklatency

C.Signalstrength

D.Networkprotocol

8.Whichofthefollowingisatypeofmalware?

A.Trojanhorse

B.Firewall

C.Antivirus

D.Router

9.WhatisthedefaultportnumberforHTTP?

A.20

B.21

C.80

D.443

10.WhichofthefollowingisadatastructurethatfollowstheLIFO(LastInFirstOut)principle?

A.Queue

B.Stack

C.Tree

D.Graph

11.Whatistheprocessofconvertinghigh-levelprogrammingcodeintomachinecodecalled?

A.Compilation

B.Interpretation

C.Debugging

D.Optimization

12.Whichofthefollowingisausecaseforblockchaintechnology?

A.Securetransactions

B.Datastorage

C.Networkcommunication

D.Databasemanagement

13.Whatisthemainpurposeofafirewallinanetwork?

A.Toincreasespeed

B.Tofiltertraffic

C.Tostoredata

D.Toreducelatency

14.Whichofthefollowingisatypeofdatabasetransaction?

A.Read-only

B.Write-only

C.Read-write

D.Execute-only

15.Whatisthetermfortheproc