【单选题】
配置DNS服务器的时候,需要注意的不包括___
A. 不限制动态更新
B. 采用分层的DNS体系结构
C. 关闭DNS服务器的递归功能
D. 使用最新版本的DNS服务器软件,并及时安装补丁
查看试卷,进入试卷练习
微信扫一扫,开始刷题

答案
A
解析
暂无解析
相关试题
【单选题】
关于Web欺骗描述,不正确的信息是___
A. 攻击者不完全可以截获并使用这些信息
B. 攻击者可以修改受害者的确认数据
C. 攻击者可以通过修改受害者和Web服务器两方中任何一方数据来进行破坏活动
D. 攻击者可以获得用户的账户和密码
【单选题】
不属于防范Web欺骗的方法是?___
A. 禁用JavaScript、ActiveX或者让任何其他在本地执行的脚本语言
B. 确保应用有效并能适当的跟踪用户
C. 配置网络浏览器使它总能显示当前的URL,但不用经常查看它
D. 培养用户注意浏览器地址线上现实的URL的好习惯
【单选题】
三种基本的IP欺骗技术包括?___
A. 简单的IP地址变化、DDoS攻击分布式拒绝攻击、利用UNIX系统中的信任关系
B. 简单的IP地址变化、使用源路由截取数据包、DDoS攻击分布式拒绝攻击
C. 简单的IP地址变化、使用源路由截取数据包、利用UNIX系统中的信任关系
D. DDoS攻击分布式拒绝攻击、使用源路由截取数据包、利用UNIX系统中的信任关系
【单选题】
源路由机制通过IP数据包报头的源路由选项字段来工作,它允许数据包的发送者在这一选项里设定接收方返回的数据包要经过路由表。包括两种类型___
A. 宽松的源站选择
B. 严格的源站选择
C. 以上都不是
D. 以上都是
【单选题】
邮件系统的传输,包含了哪三大部分___
A. 用户代理、传输代理、投递代理
B. 用户代理、主机代理、投递代理
C. 用户代理、传输代理、主机代理
D. 传输代理、主机代理、投递代理
【单选题】
按漏洞利用方式分类,DOS攻击可以分为___
A. 特定资源消耗类和暴力攻击类
B. 固定速率和可变速率
C. 系统或程序崩溃类和服务降级类
D. 特定资源消耗类和服务降级类
【单选题】
以下几种典型的DOS攻击技术中,哪种是使用ICMP Echo请求包来实现攻击的。___
A. Fraggle攻击
B. Smurf攻击
C. SYN洪水
D. 泪滴(分片攻击)
【单选题】
无论是DOS攻击还是DDOS攻击,都是___
A. 攻击目标服务器的带宽和连通性
B. 分布式拒绝服务攻击
C. 利用自己的计算机攻击目标
D. 组成一个攻击群,同一时刻对目标发起攻击
【单选题】
以下关于smurf攻击的描述,正确的是___
A. 攻击者最终的目标是在目标计算机上获得一个帐号
B. 它不依靠大量有安全漏洞的网络作为放大器
C. 它是一种接受服务形式的攻击
D. 它使用TCP/IP协议来进行攻击
【单选题】
攻击者进行拒绝服务攻击,实际上是让服务器实现以下效果除了___。
A. 迫使服务器的缓冲期满,不接受新的请求
B. 大量垃圾文件侵占内存
C. 使用IP欺骗
D. 迫使服务器把合法用户的连接复位,影响合法用户的连接
【单选题】
为什么需要网络扫描器 ___
A. 由于网络技术的飞速发展,网络规模迅猛增长和计算机系统日益复杂,导致新的系统漏洞层出不究
B. 由于系统管理员的疏忽或缺乏经验,导致旧有的漏洞依然存在
C. 许多人出于好奇或别有用心,不停的窥视网上资源
D. 以上都是
【单选题】
以下不属于CIH的特征的是哪一项?___
A. CIH病毒是第一个能破坏FLASH ROM中的BIOS指令的病毒
B. CIH病毒利用VxD技术逃过了当时所有的反病毒软件的检测
C. CIH病毒是第一个流行的攻击PE格式64位保护模式程序的病毒
D. CIH发作时破坏硬盘上的引导区,导致硬盘数据丢失
推荐试题
【填空题】
enlighten, discard, restore, fluctuate,prejudice ,
profit , rival, motivate,implement, investigate
2 A strong police force has been placed between the two [ ]group in the village to prevent fighting and killing.___
【填空题】
enlighten, discard, restore, fluctuate,prejudice ,
profit , rival, motivate,implement, investigate
3 Although personally we believe this to be of only secondary importance, its potential role in [ ] innovative acts cannotbe.___
【填空题】
enlighten, discard, restore, fluctuate,prejudice ,
profit , rival, motivate,implement, investigate
4Though many things have been changed culturally, there is a commitment and sense of responsibility that have not yet been [ ] in today's society___
【填空题】
enlighten, discard, restore, fluctuate,prejudice ,
profit , rival, motivate,implement, investigate
5 Western nations have older and shrinking populations since they entered the 21stcentury and their [ ] birth rates have also posed problems___
【填空题】
enlighten, discard, restore, fluctuate,prejudice ,
profit , rival, motivate,implement, investigate
6 She didn't want to marry him and was [ ] against him because he had only a bachelor's degree and didn't meet her expectations for marriage.___
【填空题】
enlighten, discard, restore, fluctuate,prejudice ,
profit , rival, motivate,implement, investigate
7 The president is in trouble and will have to work hard to [ ] his credibility after people discovered that he was not telling the truth.___
【填空题】
enlighten, discard, restore, fluctuate,prejudice ,
profit , rival, motivate,implement, investigate
8 To study a number of subjects in the humanities has been both enjoyable and [ ]providing me with a new and different perpective on the world in which we live.___
【填空题】
enlighten, discard, restore, fluctuate,prejudice ,
profit , rival, motivate,implement, investigate
9 People are concerned about the environment issue because air and water pollution notonly affects everyone's health but also makesit difficult for businesses to [ ].___
【填空题】
enlighten, discard, restore, fluctuate,prejudice ,
profit , rival, motivate,implement, investigate
10 Instead of ignoring or envying successful students, I made it my mission to [ ]the mysterious causes of their success and greatness.___
【填空题】
be measured in , come in handy , be exhausted from ,
impose on , attached to, cling to , pay a big price , revolve around
1Though he was 80 years old, blind and hardly able to walk, his family [ ]him so much that they could hardly bear the thought of his death.___
【填空题】
be measured in , come in handy , be exhausted from ,
impose on , attached to, cling to , pay a big price , revolve around
2The support our volunteers provide to the community as well as society cannot [ ] purely practical terms, and their continuing contribution is vital.___
【填空题】
be measured in , come in handy , be exhausted from ,
impose on , attached to, cling to , pay a big price , revolve around
3 Please don't forget the Tourist Guide , which should [ ] when you travel to different places in Asia And Europe for the next few weeks.___
【填空题】
be measured in , come in handy , be exhausted from ,
impose on , attached to, cling to , pay a big price , revolve around
4 These people living in this area are still [ ] their traditions which give their life meaning and help them in answering many questions.___
【填空题】
be measured in , come in handy , be exhausted from ,
impose on , attached to, cling to , pay a big price , revolve around
5You will [ ]for not learning Enghsh; yod never know how much you will miss without being able to speak English.___
【填空题】
be measured in , come in handy , be exhausted from ,
impose on , attached to, cling to , pay a big price , revolve around
6 If you [ ] travel and trying to adjust to a new time zone, you may not be ready to face the new challenging environmen yet.___
【填空题】
be measured in , come in handy , be exhausted from ,
impose on , attached to, cling to , pay a big price , revolve around
7 The general manager of the company intends to introduce new management courses, and tighter controls will be [ ] management to raise efficiency.___
【填空题】
be measured in , come in handy , be exhausted from ,
impose on , attached to, cling to , pay a big price , revolve around
8 Class discussions next week will [ ] the importance of love, communication and a close relationship between parents and their children.___
【单选题】
1:___负责特约商户资料的审核 报送和保管,负责特约商户的日常管理 结算资金的监控分析,负责布放POS机具和对POS机具的检查 维护 监控。
A. 收单业务员
B. 客户经理岗
C. 信息管理岗
D. 风险专管员
【单选题】
10:持卡人进行消费时,除刷卡时系统没有响应外,只要有操作过程,即收银员输入相关信息,并提交,没有打印签购单。此时商户或持卡人都应打___银联客服进行查询。
A. 95516
B. 96288
C. 9618998
D. 96148
【单选题】
1:空白成品卡丢失10张以下,受理机具被侧录致使银行卡账户信息泄露3张以下,特约商户发生涉嫌欺诈交易金额10万元以下的属于___。
A. 银行卡风险一类事件
B. 银行卡风险二类事件
C. 银行卡风险三类事件
D. 银行卡风险四类事件