题目内容

Incomputing,passwordsarecommonlyusedtolimit__toofficialusers.Yetthewidespreaduseofpasswordshasseriousproblems.Officeworkersnowhavetorememberan_oftwelvesystempasswords.Intheorytheyshouldusedifferentpasswordsforeachsite,butthesewouldbeimpossibletoremember.Somanypeopleusethesamepasswordforall.Anadditionalproblemisthatthemajorityusesimplewordssuchashello,ornamesoffamilymembers,insteadofmoresecure_ofnumbersandletters,suchas6ANV76Y.Thispermitscomputerhackers(黑客)todownloaddictionaries,whichwillquicklyfindthewordandallowthemaccess.Therefore,itisclearthattheideaofpasswords,whichhavebeenusedas___devicesforthousandsofyears,mayneedrethinking.

查看答案

搜索结果不匹配？点我反馈

更多问题

使用FORMAT命令加参数S,在硬盘上不会产生的文件是

A. COMMAND.COM
B. IO.SYS
C. AUTOEXEC.BAT
D. MSDOS.SYS

下列硬件故障诊断方法中，哪一个不可取()

A. 插拔法
B. 替换法
C. 隔离法
D. 反复开关机

下面哪个品牌不是常见声卡芯片品牌（）

A. 创新
B. 傲锐
C. Intel
D. YAMAHA

下面哪一种主板芯片是集成显卡的（）

A. KX133
B. KT266
C. 80845G
D. KT333