信息安全工程師每日一練試題（2022/4/20）
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信息安全工程師每日一練試題內(nèi)容（2022/4/20）
試題1
以下關(guān)于安全套接層協(xié)議（SSL）的敘述中，錯(cuò)誤的是（）
A、是一種應(yīng)用層安全協(xié)議
B、為TCP/IP連接提供數(shù)據(jù)加密
C、為TCP/IP連接提供服務(wù)器認(rèn)證
D、提供數(shù)據(jù)安全機(jī)制查看答案
試題參考答案：A
試題2
在安全評估過程中，采?。ǎ┦侄?，可以模擬黑客入侵過程，檢測系統(tǒng)安全脆弱性。
A.問卷調(diào)查
B.人員訪談
C.滲透測試
D.手工檢查查看答案
試題參考答案：C
試題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
試題參考答案：D、C、A、B、A
試題4
以下關(guān)于認(rèn)證技術(shù)的描述中，錯(cuò)誤的是（ ）。
A.身份認(rèn)證是用來對信息系統(tǒng)中實(shí)體的合法性進(jìn)行驗(yàn)證的方法
B.消息認(rèn)證能夠驗(yàn)證消息的完整性
C.數(shù)字簽名是十六進(jìn)制的字符串
D.指紋識別技術(shù)包括驗(yàn)證和識別兩個(gè)部分查看答案
試題參考答案：C
試題5
攻擊者通過對目標(biāo)主機(jī)進(jìn)行端口掃描，可以直接獲得（）。
A.目標(biāo)主機(jī)的口令
B.給目標(biāo)主機(jī)種植木馬
C.目標(biāo)主機(jī)使用了什么操作系統(tǒng)
D.目標(biāo)主機(jī)開放了那些端口服務(wù)查看答案
試題參考答案：D
試題6
密碼工作是黨和國家的一項(xiàng)特殊重要工作，直接關(guān)系國家政治安全、經(jīng)濟(jì)安全、國防安全和信息安全。密碼法的通過對全面提升密碼工作法治化水平起到了關(guān)鍵性作用。密碼法規(guī)定國家對密碼實(shí)行分類管理，密碼分類中不包含（）
A.核心密碼
B.普通密碼
C.商用密碼
D.國產(chǎn)密碼查看答案
試題參考答案：D
試題7
PKI是一種標(biāo)準(zhǔn)的公鑰密碼的密鑰管理平臺，數(shù)字證書是PKI的基本組成部分。在PKI中，X.509數(shù)字證書的內(nèi)容不包括（）。
A.加密算法標(biāo)識
B.簽名算法標(biāo)識
C.版本號
D.主體的公開密鑰信息查看答案
試題參考答案：A
試題8
在非安全的通信環(huán)境中，為了保證消息來源的可靠性，通常采用的安全防護(hù)技術(shù)是（）
A.信息隱藏技術(shù)
B.數(shù)據(jù)加密技術(shù)
C.消息認(rèn)證技術(shù)
D.數(shù)字水印技術(shù)查看答案
試題參考答案：C
試題9
以下選項(xiàng)中,不屬于生物識別方法的是（ ）。
A.掌紋識別
B.個(gè)人標(biāo)記號識別
C.人臉識別
D.指紋識別查看答案
試題參考答案：B
試題10
2018年10月，含有我國SM3雜湊算法的IS0/IEC10118-3: 2018《信息安全技術(shù)雜湊函數(shù)第3部分：專用雜湊函數(shù)》由國際標(biāo)準(zhǔn)化組織（ISO）發(fā)布，SM3算法正式成為國際標(biāo)準(zhǔn)。SM3的雜湊值長度為（ ）。
A、8 字節(jié)
B、16字節(jié)
C、32字節(jié)
D、64字節(jié)查看答案
試題參考答案：C
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