2020年网络信息安全技术知识竞赛题库及答案（共145题）1.____B____情景属于授权Authorization。a.用户使用加密软件对自己编写的Office文档进行加密以阻止其他人得到这份拷贝后看到文档中的内容b.用户在网络上共享了自己编写的一份Office文档并设定哪些用户可以阅读哪些用户可以修改c.某个人尝试登录到你的计算机中但是口令输入的不对系统提示口令错误并将这次失败的登录过程纪录在系统日志中d.用户依照系统提示输入用户名和口2.入侵检测系统的第一步是___A____。a.信息收集b.数据包过滤c.数据包检查d.信号分析3.数据保密性安全服务的基础是___C___。a.数字签名机制b.c.d.4.__B__a.b.c.d.5.__A__a.b.c.d.6.____C_____a.b.c.d.7.____D____a.b.c.d.8.____C_____ISO/OSIb.c.d.9._C___a.IDSb.Snifferc.d.IPSec10.____B_____a.IPb.c.d.11.___C___a.b.c.d.12.__A__a.b.c.d.13.ISO___B___a.b.c.d.14.____D___a.b.c.d.15.___C____a.b.c.d.""16.___B___Audita.Officeb.3c.d.Office17.ISO7498-255___B____a.b.c.d.18.____B____a.b.c.d.19.____C___a.b.c.d.20.___C_____a.b.c.d.21.5af5Ba.b.c.d.22.___B____a.b.c.d.23.____B____a.b.c.d.24.__A__b.c.d.25.___A____a.b.c.d.26.__B___a.b.c.d.27.__B__a.b.c.d.28.__A__a.b.c.d.29.___D___a.b.c.d.30.__C__a.b.c.d.31.__D__a.b.c.d.32.__D_____.a.b.d.33.___A_____a.b.c.d.34.Internet___B___a.b.c.d.35.__D_____a.b.c.d.36.__D__a.b.c.d.37.___C___a.WANb.c.d.38.__C__a.b.c.d.39.__A__a.b.c.d.40._C____a.b.c.41.___A____a.b.c.d.42.____A___a.b.c.d.43._A___a.b.c.d.44.___B____a.b.c.d.45.PKI__A__a.PublicKeylnstituteb.PrivateKeylnfrastructurec.PublicKeylnfrastructured.PrivateKeylnstitute46.____A_____a.b.c.d.47.__D__a.DSAb.c.d.RSA48.__B____a.b.c.IPd.49.207090"""7"TCSEC__B___a.b.c.d.50.__A_____a.b.c.d.51.___C_____a.b.c.d.52.___C__a.BINDb.c.d.53.___B____a.b.c.d.54.___D____a.b.c.d.55.____A___a.b.c.d.56.__A__a.b.c.d.57.A___C_____a.8b..c.d.58.____D___a.b.c.d.59.__A__a.b.c.d.60.PKI_B___a.b.c.d.61.___D___a.b.c.d.62._B___a.b.c.d.63.__C__a.b.IPc.d.64.__C__a.b.c.d.65.__C____a.b.c.d.66.5__B_____b.c.d.67.PGPPrettyGoodPrivacy___A____a.b.WEBc.FTPd.68.1999__A__a.GB17859b.GB17799c.GB15408d.GB1443069._C___a.DDOSb.c.d.70.PKI__A__a.b.c.d.71.___D____a.b.c.d.72.___A___a.b.c.d.CA73.__A____a.b.c.CIHd.74.Windows____C___a.b.c.75.___C___a.PRGb.DBFc.COMEXEd.C76.___A_____a.b.c.d.77.___A___a.b.c.d.78.InternetAa.b.c.Internetd.79._D___a.b.c.d.80.__B__a.b.c.d.81.__C____a.b.c.d.82.__D__a.b.c.d.83._____A____Authenticationa.Officec.d.Office84.__A__a.b.c.d.85._____C__a.b.c.d.86.____C___a.b.c.d.TCP/IP87.OSI___C_____a.b.c.d.88.GBl7859__A__a.TCSECb.CCc.BS7799d.ITSEC89.__D____a.b.c.d.90.__A___a.b.c.d.1291.___A_____a.b.c.d.92._____B_____a.b.c.d.93.____A____a.b.c.d.PKI94.ISO7498-288___D___a.b.c.d.95.____D___a.b.c.d.96.___B_____a.b.c.d.97.___A_______a.b.c.d.98.PKI__C__a.b.c.d.1399.__A__a.b.c.d.100.____C____a.b.c.d.101.__B__a.b.c.d.102.__D____a.b.c.d.103.____C____a.b.c.d.104.""__C_____a.b.c.d.105.__C_____a.b.c.FTP10GBd.IP106.__A___a.b.c.d.107.GB17859-1999___A___a.5c.10d.3108.CAISO___C____a.b.c.d.109.____B____a.b.c.d.110.RSA__A_____a.RSAb.RSAc.RSADESd.RSA111.PDRRD___A____a.b.c.d.112.__A__a.b.c.d.113.ISO__A___a.5b.6c.4d.7114._____C____a.b.c.d.115._B___a.b.c.d.116.__D__a.b.c.d.117."_C___"a.b.c.d.118.__C__a.b.LINUXc.d.119.Windows2003___A_____a.b.c.IPd.120.(IDSIntrusionDetectionSystem)___C___a.b.c.d.121.____B_____a.b.c.d.122.___A___a.b.c.IPd.123./___A___a.b.c.d.__B____a.b.c.d.125.___D______a.b.c.d.126.__A___a.b.c.d.127.___C_____a.b.c.d.128._C___a.b.NATc.d.()129.____C___a.b.c.d.130._A____a.b.c.d.131.___A___a.b.c.d.132._D_____a.b.d.133.__D__a.b.c.d.134.___D___a.b.c.d.135.DOS___A_____a.b.c.d.136.___D____a.b.4c.d.8++137.____B____a.b.c.d.138.HashCa.b.c.d.139.Windows2000___B__a.b.c.d.140.___A____a.b.c.d.141.____D____3b.c.d.142.ISO_D___a.b.c.d.143.__A__a.b.c.d.144.___A___a.b.c.d.145.UnixWindowsNT__D____a.Db.Ac.Bd.C
