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信息安全工程师每日一练试题(2022/11/15)

2022年11月16日来源:信管网 作者:cnitpm

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信息安全工程师每日一练试题内容(2022/11/15)

  • 试题1

    无线局域网鉴别和保密体系WAPI是一种安全协议,也是我国无线局域网安全强制性标准,以下关于WAPI的描述中,正确的是(  )。
    A. WAPI系统中,鉴权服务器AS负责证书的颁发、验证和撤销
    B.WAPI与WIFI认证方式类似,均采用单向加密的认证技术
    C.WAPI中,WPI采用RSA算法进行加解密操作
    D.WAPI从应用模式上分为单点式、分布式和集中式

    查看答案

    试题参考答案:A

    试题解析与讨论:www.cnitpm.com/st/4113322831.html

  • 试题2

    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3

    以下对OSI(开放系统互联)参考模型中数据链路层的功能叙述中,描述最贴切是()
    A、保证数据正确的顺序、无差错和完整
    B、控制报文通过网络的路由选择
    C、提供用户与网络的接口
    D、处理信号通过介质的传输

    查看答案

    试题参考答案:A

    试题解析与讨论:www.cnitpm.com/st/2848820346.html

  • 试题4

    ()不属于对称加密算法
    A、IDEA
    B、DES
    C、RCS
    D、RSA

    查看答案

    试题参考答案:D

    试题解析与讨论:www.cnitpm.com/st/2844714840.html

  • 试题5

    以下选项中,不属于生物识别方法的是()
    A、指纹识别
    B、声音识别
    C、虹膜识别
    D、个人标记号识别

    查看答案

    试题参考答案:D

    试题解析与讨论:www.cnitpm.com/st/284607440.html

  • 试题6

    中间人攻击就是在通信双方毫无察觉的情况下,通过拦截正常的网络通信数据,进而对数据进行嗅探或篡改。以下属于中间人攻击的是(  )。
    A.DNS欺骗
    B.社会工程攻击
    C.网络钓鱼
    D.旁注攻击

    查看答案

    试题参考答案:A

    试题解析与讨论:www.cnitpm.com/st/411318971.html

  • 试题7

    SM3密码杂凑算法的消息分组长度为(  )比特。
    A.64
    B.128
    C.512
    D.1024

    查看答案

    试题参考答案:C

    试题解析与讨论:www.cnitpm.com/st/3899024824.html

  • 试题8

    杂凑函数SHAI的输入分组长度为()比特
    A、128
    B、258
    C、512
    D、1024

    查看答案

    试题参考答案:C

    试题解析与讨论:www.cnitpm.com/st/2851021722.html

  • 试题9

    为了防御网络监听,最常用的方法是()
    A.采用物理传输(非网络)
    B.信息加密
    C.无线网
    D.使用专线传输

    查看答案

    试题参考答案:B

    试题解析与讨论:www.cnitpm.com/st/3273625542.html

  • 试题10

    S/Key口令是一种一次性口令生产方案,它可以对抗()
    A、恶意代码木马攻击
    B、拒绝服务攻击
    C、协议分析攻击
    D、重放攻击

    查看答案

    试题参考答案:D

    试题解析与讨论:www.cnitpm.com/st/2845025503.html

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