信息安全工程師每日一練試題（2022/4/10）
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信息安全工程師每日一練試題內(nèi)容（2022/4/10）
試題1
不屬于物理安全威脅的是（ ）。
A.電源故障
B.物理攻擊
C.自然災(zāi)害
D.字典攻擊查看答案
試題參考答案：D
試題2
電子郵件是傳播惡意代碼的重要途徑，為了防止電子郵件中的惡意代碼的攻擊，用（）方式閱讀電子郵件
A、網(wǎng)頁
B、純文本
C、程序
D、會(huì)話查看答案
試題參考答案：B
試題3
僵尸網(wǎng)絡(luò)是指采用一種或多種傳播手段， 將大量主機(jī)感染bot程序， 從而在控制者和被感染主機(jī)之間形成的一個(gè)可以一對(duì)多控制的網(wǎng)絡(luò)。以下不屬于低尸網(wǎng)絡(luò)傳播過程常見方式的是（）
A.主動(dòng)攻擊漏洞
B.惡意網(wǎng)站腳本
C.字典攻擊
D.郵件病毒查看答案
試題參考答案：C
試題4
容災(zāi)的目的和實(shí)質(zhì)是（）
A.實(shí)現(xiàn)對(duì)系統(tǒng)數(shù)據(jù)的備份
B.提升用戶的安全預(yù)期
C.保持對(duì)信息系統(tǒng)的業(yè)務(wù)持續(xù)性
D.信息系統(tǒng)的必要補(bǔ)充查看答案
試題參考答案：C
試題5
在安全評(píng)估過程中，采?。ǎ┦侄危梢阅M黑客入侵過程，檢測(cè)系統(tǒng)安全脆弱性。
A.問卷調(diào)查
B.人員訪談
C.滲透測(cè)試
D.手工檢查查看答案
試題參考答案：C
試題6
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7
涉及國家安全、國計(jì)民生、社會(huì)公共利益的商用密碼產(chǎn)品與使用網(wǎng)絡(luò)關(guān)鍵設(shè)備和網(wǎng)絡(luò)安全專用產(chǎn)品的商用密碼服務(wù)實(shí)行（）檢測(cè)認(rèn)證制度。
A.備案式
B.自愿式
C.鼓勵(lì)式
D.強(qiáng)制性查看答案
試題參考答案：D
試題8
未授權(quán)的實(shí)體得到了數(shù)據(jù)的訪問權(quán)，這屬于對(duì)安全的（）
A、機(jī)密性
B、完整性
C、合法性
D、可用性查看答案
試題參考答案：A
試題9
PKI中撤銷證書是通過維護(hù)一個(gè)證書撤銷列表CRL來實(shí)現(xiàn)的。以下不會(huì)導(dǎo)致證書被撤銷的是（ ）。
A.密鑰泄漏
B.系統(tǒng)升級(jí)
C.證書到期
D.從屬變更查看答案
試題參考答案：B
試題10
按照行為和功能特性，特洛伊木馬可以分為遠(yuǎn)程控制型木馬、信息竊取型木馬和破壞型木馬等。以下不屬于遠(yuǎn)程控制型木馬的是（）。
A、冰河
B.彩虹橋
C.PC Share
D.Trojan-Ransom查看答案
試題參考答案：D
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