(57)A.包过滤防火墙、应用层网关防火墙和状态检测防火墙 B.包过滤防火墙、应用层网关防火墙和代理防火墙 C.包过滤防火墙、代理防火墙和软件防火墙D.状态检测防火墙、代理防火墙和动态包过滤防火墙
●按照检测数据的来源可将入侵检测系统(1DS)分为_(58)_。
(58)A.基于主机的IDS和基于网络的IDS
B.基于主机的IDS和基于域控制器的IDS
C.基于服务器的IDS和基于域控制器的IDS
D.基于浏览器的IDS和基于网络的DS
●如果使用大量的连接请求攻击计算机,使得所有可用的系统资源都被消耗殆尽,最终计算机无法再处理合法用户的请求,这种手段属于_(59)_攻击。
(59)A.拒绝服务 D.口令入侵 C.网络监听 D.IP欺骗
●_(60)_不属于我国《计算机信息系统安全保护等级划分准则》规定的计算机系统安全保护能力的五个等级之一。
(60)A.用户自主保护级 B.访问控制级 C.系统审计保护级 D.结构化保护级
● 在一个办公室内,将6台计算机用交换机连接成网络,该网络的屋里拓扑结构为_(61)_。
(61)A.星型 B 总线型 C 树型 D.环型
● 属于物理层的互连设备是_(62)_。
(62)A 中继器 B 网桥 C.交换机 D.路由器
● TCP/IP网络的体系结构分为应用层、传输层、网络互联层和网络接口层。属于传输层协议的是_(63)_。
(63)A.TCP和ICMP B.IP和FTP C.TCP和UDP D.ICMP和UDP
● 在WWW服务器与客户机之间发送和接收HTML文档时,使用的协议时_(64)_。
(64)A.FTP B.Gopher C.HTTP D.NNTP
● 为了在Internet上浏览网页,需要在客户端安装浏览器,不属于浏览器软件的时_(65)_。
(65)A.Internet Explorer B.Fireworks C.Hot Java D.Netscape Communicator
● _(66)_means"Any HTML document on an HTTP Server".
(66)A.Web Server B.Web page C.Web Browser D.Web site
● The term"_(67)_program"means a program written in high-level language.
(67)A.compiler B.executable C.source D.object
● Very long, complex expressions in program are difficult to write correctly and difficult to _(68)_.
(68)A.defend B.detect C.default D.debug
● In C language, functions are important because they provide a way to _(69)_code so that a large complex program can be written by combining many smaller parts.
(69)A.modify B.modularize C.block D.board
● The standard _(70)_ in C language contain many useful functions for input and output, string handling, mathematical computations, and system programming tasks.
(70)A.database B.files C.libraries D.subroutine
● In _(71)_ programming, the user determines the sequence of instructions to be executed,not the programmer.
(71)A.top-down B.structure C.data-driven D.event-driven
● _(72)_ is a clickable string or graphic that points to another Web page or document.
(72)A.Link B.Anchor C.Browser D.Hyperlink
● One solution to major security problems is _(73)_,which are frequently installed to fix known security holes.
(73)A.patches B.compensations C.complements D.additions