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信息安全工程師每日一練試題（2025/3/10）

來源：信管網 2025年03月11日【所有評論】

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信息安全工程師每日一練試題內容（2025/3/10）

試題1
為了應對網絡威脅，人為劃分若干安全區(qū)域，下列不屬于安全區(qū)域的是（）
A．外聯(lián)網
B．公共外部網絡
C．軍事緩沖區(qū)
D．日常網絡區(qū)域
查看答案
試題參考答案：D
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試題2
一個Kerberos系統(tǒng)涉及四個基本實體，其中（）是識別用戶身份并提供TGS會話密鑰。
A．Kerberos客戶機
B．認證服務器（AS）
C．票據(jù)發(fā)放服務器（TGS）
D．應用服務器
查看答案
試題參考答案：D
試題解析與討論：www.njjt123.com/exam/ExamDay.aspx?t1=6&day=2025/3/10
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
試題解析與討論：www.njjt123.com/exam/ExamDay.aspx?t1=6&day=2025/3/10
試題4
訪問控制的正確步驟是（）
①分析管理資產的安全需求；②制定訪問控制策略；③明確訪問控制管理的資產
④建立用戶訪問身份認證系統(tǒng)；⑤根據(jù)用戶類型授權用戶訪問資產；
⑥及時調整訪問策略；⑦運行和維護訪問控制系統(tǒng)
A．①②③④⑤⑥⑦
B．③①②④⑤⑦⑥
C．①②③⑥④⑤⑦
D．①③②④⑥⑤⑦
查看答案
試題參考答案：B
試題解析與討論：www.njjt123.com/exam/ExamDay.aspx?t1=6&day=2025/3/10
試題5
網絡安全等級保護工作主要包括定級、備案、（）、等級測評、監(jiān)督檢查五個階段。
A．安全策略
B．建設整改
C．分類控制
D．應急處置
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試題參考答案：B
試題解析與討論：www.njjt123.com/exam/ExamDay.aspx?t1=6&day=2025/3/10
試題6
WPDRRC模型模型蘊涵的網絡安全能力不包括（）
A．預警能力
B．保護能力
C．反擊能力
D．制裁能力
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試題參考答案：D
試題解析與討論：www.njjt123.com/exam/ExamDay.aspx?t1=6&day=2025/3/10
試題7
云計算平臺物理安全威脅的一個典型例子是（）
A．云服務API接口不安全
B．虛擬機逃逸
C．數(shù)據(jù)中心被雷電擊中
D．跨虛擬機側信道攻擊
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試題參考答案：C
試題解析與討論：www.njjt123.com/exam/ExamDay.aspx?t1=6&day=2025/3/10
試題8
（）的產品特點是部署在不同安全域之間，解析和過濾經過防火墻的數(shù)據(jù)流，集成應用識別和管控、惡意代碼防護、入侵防護、事件關聯(lián)等多種安全功能，同時具備網絡層和應用層訪問控制及過濾功能的網絡安全產品。
A．網絡防火墻
B．數(shù)據(jù)庫防火墻
C．主機防火墻
D．下一代防火墻
查看答案
試題參考答案：D
試題解析與討論：www.njjt123.com/exam/ExamDay.aspx?t1=6&day=2025/3/10
試題9
研究密碼破譯的科學稱為密碼分析學。密碼分析學中，根據(jù)密碼分析者可利用的數(shù)據(jù)資源，可將攻擊密碼的類型分為四種，其中適于攻擊公開密碼體制，特別是攻擊其數(shù)字簽名的是（）。
A、僅知密文攻擊
B、已知明文攻擊
C、選擇密文攻擊
D、選擇明文攻擊
查看答案
試題參考答案：C
試題解析與討論：www.njjt123.com/exam/ExamDay.aspx?t1=6&day=2025/3/10
試題10
電子政務網絡由政務內網和政務外網構成，兩網之間（），政務外網與互聯(lián)網之間（）。
A．邏輯隔離，物理隔離
B．物理隔離，邏輯隔離
C．虛擬隔離，時間隔離
D．時間隔離，虛擬隔離
查看答案
試題參考答案：B
試題解析與討論：www.njjt123.com/exam/ExamDay.aspx?t1=6&day=2025/3/10