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信息安全工程師每日一練試題（2022/11/15）在線測(cè)試：m.xiexiliangjiufa.com/exam/ExamDay.aspx?t1=6&day=2022/11/15
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信息安全工程師每日一練試題內(nèi)容（2022/11/15）
試題1
無(wú)線局域網(wǎng)鑒別和保密體系WAPI是一種安全協(xié)議，也是我國(guó)無(wú)線局域網(wǎng)安全強(qiáng)制性標(biāo)準(zhǔn)，以下關(guān)于WAPI的描述中，正確的是（ ）。
A. WAPI系統(tǒng)中，鑒權(quán)服務(wù)器AS負(fù)責(zé)證書(shū)的頒發(fā)、驗(yàn)證和撤銷(xiāo)
B.WAPI與WIFI認(rèn)證方式類(lèi)似，均采用單向加密的認(rèn)證技術(shù)
C.WAPI中，WPI采用RSA算法進(jìn)行加解密操作
D.WAPI從應(yīng)用模式上分為單點(diǎn)式、分布式和集中式查看答案
試題參考答案：A
試題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
試題參考答案：D、C、A、B、A
試題3
以下對(duì)OSI（開(kāi)放系統(tǒng)互聯(lián)）參考模型中數(shù)據(jù)鏈路層的功能敘述中，描述最貼切是（）
A、保證數(shù)據(jù)正確的順序、無(wú)差錯(cuò)和完整
B、控制報(bào)文通過(guò)網(wǎng)絡(luò)的路由選擇
C、提供用戶與網(wǎng)絡(luò)的接口
D、處理信號(hào)通過(guò)介質(zhì)的傳輸查看答案
試題參考答案：A
試題4
（）不屬于對(duì)稱(chēng)加密算法
A、IDEA
B、DES
C、RCS
D、RSA查看答案
試題參考答案：D
試題5
以下選項(xiàng)中，不屬于生物識(shí)別方法的是（）
A、指紋識(shí)別
B、聲音識(shí)別
C、虹膜識(shí)別
D、個(gè)人標(biāo)記號(hào)識(shí)別查看答案
試題參考答案：D
試題6
中間人攻擊就是在通信雙方毫無(wú)察覺(jué)的情況下，通過(guò)攔截正常的網(wǎng)絡(luò)通信數(shù)據(jù)，進(jìn)而對(duì)數(shù)據(jù)進(jìn)行嗅探或篡改。以下屬于中間人攻擊的是（ ）。
A.DNS欺騙
B.社會(huì)工程攻擊
C.網(wǎng)絡(luò)釣魚(yú)
D.旁注攻擊查看答案
試題參考答案：A
試題7
SM3密碼雜湊算法的消息分組長(zhǎng)度為（ ）比特。
A.64
B.128
C.512
D.1024查看答案
試題參考答案：C
試題8
雜湊函數(shù)SHAI的輸入分組長(zhǎng)度為（）比特
A、128
B、258
C、512
D、1024查看答案
試題參考答案：C
試題9
為了防御網(wǎng)絡(luò)監(jiān)聽(tīng)，最常用的方法是（）
A.采用物理傳輸（非網(wǎng)絡(luò)）
B.信息加密
C.無(wú)線網(wǎng)
D.使用專(zhuān)線傳輸查看答案
試題參考答案：B
試題10
S/Key口令是一種一次性口令生產(chǎn)方案，它可以對(duì)抗（）
A、惡意代碼木馬攻擊
B、拒絕服務(wù)攻擊
C、協(xié)議分析攻擊
D、重放攻擊查看答案
試題參考答案：D
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