信息安全工程师每日一练试题（2022/9/4）
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信息安全工程师每日一练试题内容（2022/9/4）
试题1
网络流量数据挖掘分析是对采集到的网络流量数据进行挖掘，提取网络流量信息，形成网络审计记录。网络流量数据挖掘分析主要包括：邮件收发协议审计、网页浏览审计、文件共享审计、文件传输审计、远程访问审计等。其中文件传输审计主要针对（ ）协议。
A．SMTP
B．FTP
C．Telnet
D．HTTP查看答案
试题参考答案：B
试题2
基于公开密钥的数字签名算法对消息进行签名和验证时，正确的签名和验证方式是（ ）。
A.发送方用自己的公开密钥签名，接收方用发送方的公开密钥验证
B.发送方用自己的私有密钥签名，接收方用自己的私有密钥验证
C.发送方用接收方的公开密钥签名，接收方用自己的私有密钥验证
D.发送方用自己的私有密钥签名，接收方用发送方的公开密钥验证查看答案
试题参考答案：D
试题3
BLP机密性模型中，安全级的顺序一般规定为：公开＜秘密＜机密＜绝密。两个范畴集之间的关系是包含、被包含或无关。如果一个BLP机密性模型系统访问类下：
文件E访问类：（机密：财务处，科技处｝；
文件F访问类：（机密：人事处，财务处｝；
用户A访问类：｛绝密：人事处｝；
用户B访问类：（绝密：人事处，财务处，科技处｝。
则以下表述中，正确的是（ ）
A．用户A不能读文件F
B．用户B不能读文件F
C．用户A能读文件E
D．用户B不能读文件E查看答案
试题参考答案：A
试题解析与讨论：www.cnitpm.com/st/522436218.html
试题4
入侵防御系统IPS的主要作用是过滤掉有害网络信息流，阻断入侵者对目标的攻击行为。IPS的主要安全功能不包括（ ）。
A．屏蔽指定IP地址
B．屏蔽指定网络端口
C．网络物理隔离
D．屏蔽指定域名查看答案
试题参考答案：C
试题5
深度流检测技术是一种主要通过判断网络流是否异常来进行安全防护的网络安全技术,深度流检测系统通常不包括（ ）。
A.流特征提取单元
B.流特征选择单元
C.分类器
D.响应单元查看答案
试题参考答案：D
试题解析与讨论：www.cnitpm.com/st/389673923.html
试题6
无线传感器网络(WSN)是由部署在监测区域内大量的廉价微型传感器节点组成， 通过无线通信方式形成的一个多跳的自组织网络系统。以下WSN标准中， 不属于工业标准的是（）。
A.ISA100.11a
B.WIA-PA
C.Zigbee
D.WirelessHART查看答案
试题参考答案：C
试题解析与讨论：www.cnitpm.com/st/50207115.html
试题7
Trust is typically interpreted as a subjective belief in the reliability， honesty and security of an entity on which we depend （ ）our welfare .In online environments we depend on a wide spectrun of things , ranging from computer hardware,software and data to people and organizations. A security solution always assumes certain entities function according to specific policies.To trust is precisely to make this sort of assumptions , hence , a trusted entity is the same as an entity that is assumed to function according to policy . A consequence of this is that a trust component of a system must work correctly in order for the security of that system to hold, meaning that when a trusted（ ）fails , then the sytems and applications that depend on it can（ ）be considered secure.An often cited articulation of this principle is:＂ a trusted system or component is one that can break your security policy” ( which happens when the trust system fails ). The same applies to a trusted party such as a service provider ( SP for short )that is , it must operate according to the agreed or assumed policy in order to ensure the expected level of securty and quality of services . A paradoxical conclusion to be drawn from this analysis is that security assurance may decrease when increasing the number of trusted components and parties that a service infrastructure depends on . This is because the security of an infrastructure consisting of many.
Trusted components typically follows the principle of the weakest link , that is ,in many situations the the overall security can only be as strong as the least reliable or least secure of all the trusted components. We cannot avoid using trusted security components,but the fewer the better. This is important to understand when designing the identity management architectures,that is, fewer the trusted parties in an identity management model , stronger the security that can be achieved by it.
The transfer of the social constructs of identity and trust into digital and computational concepts helps in designing and implementing large scale online markets and communities,and also plays an important role in the converging mobile and Internet environments.Identity management (denoted Idm hereafter ) is about recognizing and verifying the correctness of identitied in online environment .Trust management becomes a component of （ ）whenever different parties rely on each other for identity provision and authentication . IdM and Trust management therefore depend on each other in complex ways because the correctness of the identity itself must be trusted for the quality and reliability of the corresponding entity to be trusted.IdM is also an essential concept when defining authorisation policies in personalised services.
Establishing trust always has a cost, so that having complex trust requirement typically leads to high overhead in establishing the required trust. To reduce costs there will be incentives for stakeholders to “cut corners”regarding trust requirements ,which could lead to inadequate security . The challenge is to design IdM systems with relatively simple trust requirements.Cryptographic mechanisms are often a core component of IdM solutions,for example,for entity and data authentication.With cryptography,it is often possible to propagate trust from where it initially exists to where it is needed .The establishment of initial（ ）usually takes place in the physical world,and the subsequent propagation of trust happens online,often in an automated manner.
（71）A.with
B. on
C. of
D. for
（72）A.entity
B.person
C.component
D.thing
（73）A. No longer
B. never
C. always
D.often
（74）A. SP
B. IdM
C.Internet
D.entity
（75）A.trust
B.cost
C.IdM
D. solution查看答案
试题参考答案：D、C、A、B、A
试题解析与讨论：www.cnitpm.com/st/389944612.html
试题8
身份认证是证实客户的真实身份与其所声称的身份是否相符的验证过程。目前，计算机及网络系统中常用的身份认证技术主要有：用户名/密码方式、智能卡认证、动态口令、生物特征认证等。其中不属于生物特征的是（）。
A.指纹
B.手指静脉
C.虹膜
D.击键特征查看答案
试题参考答案：D
试题9
恶意软件是目前移动智能终端上被不法分子利用最多、对用户造成危害和损失最大的安全成胁类型。数据显示，目前安卓平台恶意软件主要有（ ）四种类型。
A.远程控制木马、话费吸取类、隐私窃取类和系统破坏类
B.远程控制木马、话费吸取类、系统破坏类和硬件资源消耗类
C.远程控制木马、话费吸取类、隐私窃取类和恶意推广
D.远程控制木马、话费吸取类、系统破坏类和恶意推广查看答案
试题参考答案：A
试题10
以下网络攻击中，（）属于被动攻击
A、拒绝服务攻击
B、重放
C、假冒
D、流量分析查看答案
试题参考答案：D
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