MOOC Trust Management and Applications(Xidian University)1462123171 最新慕课完整章节测试答案

Tests

1、单选题：
​A trust relationship involves at least two entities: a trusting subject named ______ and a trusting object named ______.‌
选项：
A: trustee; trustee
B: trustee; trustor
C: trustor; trustee
D: trustor; trustor
答案: 【 trustor; trustee】

2、单选题：
Trust is ____. The level of trust considered sufficient is ____ for each individual in a certain situation.
选项：
A: subjective; the same
B: subjective; different
C: objective; the same
D: objective; different
答案: 【 subjective; different】

3、单选题：
Which one among the following statements is wrong?
选项：
A: Trust is a multifaceted concept.
B: Trust is a vague term that is difficult to define.
C: A system is trusted if and only if its users trust it.
D: Trust is expressed in the same way in multi-agent systems and software engineering.
答案: 【 Trust is expressed in the same way in multi-agent systems and software engineering.】

4、单选题：
Which statement about the relationship between trust and security is correct?
选项：
A: Trust is security.
B: It is more complicated to manage security than trust.
C: If a digital system can ensure system security and user safety, it is trusted by its users.
D: To evaluate the trust of a digital system, security, strength, reliability, availability, or other characters of an entity should be considered.
答案: 【 To evaluate the trust of a digital system, security, strength, reliability, availability, or other characters of an entity should be considered.】

5、单选题：
Which one is not the basic characteristics of trust?
选项：
A: Subjective
B: Measurable
C: Context-aware
D: Dynamic
答案: 【 Measurable】

6、单选题：
‍The term _____ denotes the ability of an entity to determine whether, when, and to whom information about itself is to be released or disclosed.‎
选项：
A: availability
B: security
C: privacy
D: integrity
答案: 【 privacy】

7、单选题：
‎The term applied to publicly assess the trustee regarding its earlier behaviors is _____.‍
选项：
A: reputation
B: honesty
C: trust
D: reliability
答案: 【 reputation】

8、单选题：
​Please indicate which one is not the trustee’s objective property.‎
选项：
A: security
B: integrity
C: predictability
D: assessment
答案: 【 assessment】

9、单选题：
‌Among the following properties, which one is the trustee’s subjective property that influences trust?​
选项：
A: disposition
B: honesty
C: confidence
D: belief
答案: 【 honesty】

10、单选题：
​Among the following properties, which one is not the trustor’s objective property that influences trust.‎
选项：
A: a given set of standards
B: trustor’s standards
C: predictability
D: purpose
答案: 【 predictability】

11、单选题：
‎Please find which one is the trustor’s subjective property.​
选项：
A: competence
B: feeling
C: honesty
D: goodness
答案: 【 feeling】

12、单选题：
​Trust is subjective because ________.‎
选项：
A: trust develops and evolves due to good experience
B: acceptably sufficient trust levels differ for each entity
C: trust is usually non-monotonically changed with time
D: information about trust can be transmitted/received along a chain of recommendations
答案: 【 acceptably sufficient trust levels differ for each entity】

13、单选题：
‍Students trust their teacher to solve a question, while the teacher cannot trust his students to provide the right answer on the same question. This example means trust is _____.‌
选项：
A: directed
B: subjective
C: dynamic
D: conditionally transferable
答案: 【 directed】

14、单选题：
‌Young people would like to trust and use online payment in their daily life. While older people do not trust the online payment and dare not to try it at all. This example shows trust is_____.​
选项：
A: directed
B: subjective
C: dynamic
D: conditionally transferable
答案: 【 subjective】

15、单选题：
‍Experience may influence the present level of trust. This reveals that ______.‎
选项：
A: Trust is measurable
B: Trust depends on history
C: Trust is dynamic
D: Trust is conditionally transferable
答案: 【 Trust depends on history】

16、单选题：
‎People trust their close friends more than nodding acquaintances. This example means trust is _____.‏
选项：
A: subjective
B: dynamic
C: measurable
D: context-dependent
答案: 【 measurable】

17、单选题：
‏We trust our mathematics teacher to solve a mathematical problem, but we cannot trust him to drive a flight if he has no flight driving license. Therefore, trust is _____.‎
选项：
A: subjective
B: dynamic
C: measurable
D: context-dependent
答案: 【 context-dependent】

18、单选题：
‍If Entity A trusts B and B trusts C, most possibly A could trust C under a certain condition. This implies that ________.‍
选项：
A: trust is measurable
B: trust depends on history
C: trust is dynamic
D: trust is conditionally transferable
答案: 【 trust is conditionally transferable】

19、单选题：
​The approach to handling the dynamic adaption of the trust relationship between two entities is called ______.‍
选项：
A: learning
B: reasoning
C: trust management
D: trust value
答案: 【 trust management】

20、单选题：
‏______ is an important feature for making trust calculations.‌
选项：
A: Compositionality
B: History-dependency
C: Subjectivity
D: Transferability
答案: 【 Compositionality】

21、单选题：
‍Which one among the following statements is wrong?‎
选项：
A: Trust is highly related to security.
B: If entity A trusts B and B trusts C, then A must trust C.
C: Trust is a concept hard to define because it is itself a vague term.
D: A trust value can be used to represent the different degrees of trust an entity may have in another.
答案: 【 If entity A trusts B and B trusts C, then A must trust C.】

22、单选题：
​In a digital system, trust is an assessment of the ______ based on the ______’s criteria and a number of trust attributes.​
选项：
A: trustor, trustor
B: trustor, trustee
C: trustee, trustee
D: trustee, trustor
答案: 【 trustee, trustor】

Tests

1、单选题：
​Trust model is the method to specify,     , setup and ensure trust relationships.‎
选项：
A: predict
B: evaluate
C: formulate
D: maintain
答案: 【 evaluate】

2、单选题：
‎Most existing trust models are based on the understanding of trust characteristics, accounting for       influencing trust.​
选项：
A: context
B: recommendations
C: factors
D: reputations
答案: 【 factors】

3、单选题：
‏In the one of the earliest formalizations of trust in computing system, the author integrated the various facets of trust from the disciplines of      , psychology, philosophy sociology.​
选项：
A: engineering
B: mathematics
C: economics
D: physics
答案: 【 economics】

4、单选题：
‍The main objective of trust modeling is      .       ‎
选项：
A: to digitalize trust for computer processing
B: trust evaluation
C: trust prediction
D: trust maintaining
答案: 【 to digitalize trust for computer processing】

5、单选题：
​A big number of trust models target at some special properties, such as reputations, recommendations and risk, but they seldom support multi-property of trust that includes the factors related to a trustee, the factors related to a trustor and              .​
选项：
A: recommendation
B: context
C: reputation
D: relationship
答案: 【 context】

6、单选题：
​One trust modeling approach is to conceptualize trust based on user studies through a psychological or sociological approach, and trust models based on this approach cannot quantify       for machine processing.​
选项：
A: recommendation
B: trust
C: reputation
D: context
答案: 【 trust】

7、单选题：
‎Many trust models applied in various computing paradigms use computational, linguistic or             methods.‏
选项：
A: finite increment
B: numerical
C: graphical
D: semi-graphical
答案: 【 graphical】

8、单选题：
‌The trust model aims to process and control trust using             methods.‏
选项：
A: numerical
B: graphical
C: digital
D: semi-graphical
答案: 【 digital】

9、单选题：
‍Based on            , we can classify trust models into linguistic models, graphic models, and mathematic models.‍
选项：
A: description method
B: modeled contents
C: trust expression
D: the dimension of trust expression
答案: 【 description method】

10、单选题：
​Based on             , we can classify trust models into single-property models and multi-property models.‍
选项：
A: description method
B: modeled contents
C: trust expression
D: the dimension of trust expression
答案: 【 modeled contents】

11、单选题：
‌Based on           , trust models can be classified into models with binary ratings and models with numeral rations.‌
选项：
A: description method
B: modeled contents
C: trust expression
D: the dimension of trust expression
答案: 【 trust expression】

12、单选题：
‌Based on           , trust models can be classified into the models with a single dimension and multiple dimensions.​
选项：
A: description method
B: modeled contents
C: trust expression
D: the dimension of trust expression
答案: 【 the dimension of trust expression】

13、单选题：
‏            is a technical approach of representing trust for digital processing, in which the factors influencing trust will be evaluated by a continuous or discrete real number, referred to as a trust value.​
选项：
A: Trust prediction
B: Trust management
C: Trust evaluation
D: Trust analysis
答案: 【 Trust evaluation】

14、单选题：

‎In Bayesian Inference, given net evidence and the prior probability , the combined trust level corresponding to event  is the posterior probability of and can be expressed as               .

‏选项：
A:
B:
C:
D:
答案: 【 】

15、单选题：
‍The Dempster-Shafer Theory is a mathematical theory of evidence, which allows one to combine evidence from              and arrive at a belief degree by considering all available evidence.  ‎
选项：
A: the same source
B: 2 sources
C: 3 sources
D: different sources
答案: 【 different sources】

16、单选题：
​Subjective Logic expresses trust with multiple dimensions: belief, disbelief and              .‏
选项：
A: trust
B: semi trust
C: distrust
D: uncertainty
答案: 【 uncertainty】

17、单选题：
‍In semiring, the trust inference problem is viewed as a generalized shortest path problem on a           .‎
选项：
A: weighted directed graph
B: directed graph
C: undirected graph
D: graph
答案: 【 weighted directed graph】

18、单选题：
‍In contrast with traditional logic theory, where binary sets have two-valued logic: true or false, fuzzy logic variables may have a truth value that ranges in degree between             .‎
选项：
A: -1 and 1
B: -1 and 0
C: 0 and 1
D: -2 and 2
答案: 【 0 and 1】

19、单选题：
‍A Fuzzy Cognitive Map is a combination of           and Neural Networks‏
选项：
A: Semiring
B: Fuzzy Logic
C: Subjective Logic
D: Bayesian Inference
答案: 【 Fuzzy Logic】

20、单选题：
‎Cloud model is a promising theory to express            , thus suitable for modeling trust.‍
选项：
A: uncertainty
B: context
C: reputation
D: recommendation
答案: 【 uncertainty】

Tests

1、单选题：
​Trust has many characteristics. Which of the following is wrong?‌
选项：
A: Trust is subjective
B: Trust is context-dependent
C: Trust is static
D: Trust is conditionally transferable
答案: 【 Trust is static】

2、单选题：
‌Trust modeling methods can be classified into three categories based on the method of modeling. Which one of the following does not belongs to them?‏
选项：
A: Models with linguistic description
B: Models with graphic description
C: Models with mathematic description
D: Models with subjective impression
答案: 【 Models with subjective impression】

3、单选题：
‍What is the security foundation of trusted computing technologies?​
选项：
A: Trusted Platform Module (TPM)
B: A non-volatile storage
C: A set of platform configuration registers
D: An engine for cryptographic operations
答案: 【 Trusted Platform Module (TPM)】

4、单选题：
‍What are the main functions of TCP?‍
选项：
A: Memory reading and writing, secure storage and sealed storage, platform measurement, platform attestation
B: Memory curtaining, secure storage and sealed storage, platform measurement, platform attestation
C: Memory curtaining, trusted computing and secure storage, platform measurement, platform attestation
D: Memory curtaining, secure storage and sealed storage, platform collaborations
答案: 【 Memory curtaining, secure storage and sealed storage, platform measurement, platform attestation】

5、单选题：
‏Which application can TCP support?​
选项：
A: Distributed computing
B: Grid computing
C: Evolutionary biology
D: Authenticated booting and secure software installation
答案: 【 Authenticated booting and secure software installation】

6、单选题：
​When TCP is applied for privacy support, how many credentials should the TPM send to CA? ‎
选项：
A: One
B: Two
C: Three
D: None
答案: 【 Three】

7、单选题：
‌Which of the following is not a disadvantage of TCP?‌
选项：
A: Power of TCP could be abused
B: Lack concerning on system security
C: Risk of trust in manufacturers and vendors
D: Lack dynamic maintain of Trust
答案: 【 Lack concerning on system security】

8、单选题：
‎The information that a reputation-based trust management system can rely on in the process of trust evaluation does not include:‏
选项：
A: The feedback of the requester’s users
B: Performance observation on the services provided by the requester
C: The certificates issued by the third authorized parties
D: Statement of the evaluated node
答案: 【