信息安全工程师每日一练试题（2022/4/20）
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信息安全工程师每日一练试题内容（2022/4/20）
试题1
以下关于安全套接层协议（SSL）的叙述中，错误的是（）
A、是一种应用层安全协议
B、为TCP/IP连接提供数据加密
C、为TCP/IP连接提供服务器认证
D、提供数据安全机制查看答案
试题参考答案：A
试题解析与讨论：www.cnitpm.com/st/284953163.html
试题2
在安全评估过程中，采取（）手段，可以模拟黑客入侵过程，检测系统安全脆弱性。
A.问卷调查
B.人员访谈
C.渗透测试
D.手工检查查看答案
试题参考答案：C
试题3
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4
以下关于认证技术的描述中，错误的是（ ）。
A.身份认证是用来对信息系统中实体的合法性进行验证的方法
B.消息认证能够验证消息的完整性
C.数字签名是十六进制的字符串
D.指纹识别技术包括验证和识别两个部分查看答案
试题参考答案：C
试题5
攻击者通过对目标主机进行端口扫描，可以直接获得（）。
A.目标主机的口令
B.给目标主机种植木马
C.目标主机使用了什么操作系统
D.目标主机开放了那些端口服务查看答案
试题参考答案：D
试题6
密码工作是党和国家的一项特殊重要工作，直接关系国家政治安全、经济安全、国防安全和信息安全。密码法的通过对全面提升密码工作法治化水平起到了关键性作用。密码法规定国家对密码实行分类管理，密码分类中不包含（）
A.核心密码
B.普通密码
C.商用密码
D.国产密码查看答案
试题参考答案：D
试题解析与讨论：www.cnitpm.com/st/502285.html
试题7
PKI是一种标准的公钥密码的密钥管理平台，数字证书是PKI的基本组成部分。在PKI中，X.509数字证书的内容不包括（）。
A.加密算法标识
B.签名算法标识
C.版本号
D.主体的公开密钥信息查看答案
试题参考答案：A
试题8
在非安全的通信环境中，为了保证消息来源的可靠性，通常采用的安全防护技术是（）
A.信息隐藏技术
B.数据加密技术
C.消息认证技术
D.数字水印技术查看答案
试题参考答案：C
试题9
以下选项中,不属于生物识别方法的是（ ）。
A.掌纹识别
B.个人标记号识别
C.人脸识别
D.指纹识别查看答案
试题参考答案：B
试题10
2018年10月，含有我国SM3杂凑算法的IS0/IEC10118-3: 2018《信息安全技术杂凑函数第3部分：专用杂凑函数》由国际标准化组织（ISO）发布，SM3算法正式成为国际标准。SM3的杂凑值长度为（ ）。
A、8 字节
B、16字节
C、32字节
D、64字节查看答案
试题参考答案：C
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