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 p

题目
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.

A.entity
B.person
C.component
D.thing

相似考题

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 manyTrusted 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 ofall 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.A.withB.onC.ofD.for72A.entityB.personC.componentD.thing73A.No longerB.neverC.alwaysD.often74A.SPB.IdMC.InternetD.entity75A.rustB.costC.IdMD.solution请帮忙给出每个问题的正确答案和分析,谢谢!

参考答案和解析
答案:A
解析:
更多“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 thin”相关问题
  • 第1题:

    Knowledge we gained in school is very important,()we will depend in the future.

    A、in which

    B、of which

    C、to which

    D、on which


    正确答案:D
    解析:从句中动词是 depend,同介词on搭配

  • 第2题:

    We trust that you will be able to accept our offer, which shall() against reply by cable

    A、kept open

    B、keep valid

    C、be kept firm

    D、be keeping open


    参考答案:C

  • 第3题:

    As you will see in our price-list, we have offered very competitive prices, supplying you our best quality goods.We solicit that you will favor us with your orders, which shall always have our best attention.(英译中)


    参考答案:贵公司将会从我方价格表中看到,我方向贵公司提供了价廉物美的商品。敬请贵公司向我方订货,我方会精心关照的。

  • 第4题:

    The sentence "But we pay for our sensitivity." in the third paragraph implies that______.

    A) we should pay a debt for, our feeling

    B) we have to be hurt when We feel something

    C) our pain is worth feeling

    D) when we feel pain, we are suffering it


    正确答案:D
    答案:D
    [试题分析]综合理解题。
    [详细解答]根据上下文,因为下一句指出We can feel pain when the slightest thing is wrong with any part of our body.显然,这里pay for不是“付钱”的意思,而是指“为…付出”。因此,D为最佳答案。

  • 第5题:

    If no importance is attached to collecting information,we cannot survive in such a(n)_competitive society,because it is the basis on which we make our decisions.

    A.intensively
    B.forcefully
    C.intensely
    D.powerfully

    答案:C
    解析:
    intensely“激烈地”,intensely competitive society竞争激烈的社会;A.intensively“集中地”;B.forcefully“强有力地”;D.powerfully“强大地”。

  • 第6题:

    Which of the following is Not True?

    A. Advertisement makes contribution to our pockets and we may know everything
    B. We can buy what we want
    C. Products of good quality don't need to be advertised
    D. Advertisement makes our life colorful
    19. Which of the following is Not True?

    答案:C
    解析:
    A、B、D项均可在文中找到依据;C项说法错误,优质产品也可能需要广告的宣传。

  • 第7题:

    Text 3 Scientists have found that although we are prone to snap overreactions,if we take a moment and think about how we are likely to react,we can reduce or even eliminate the negative effects of our quick,hardwired responses.Snap decisions can be important defense mechanisms;if we are judging whether someone is dangerous,our brains and bodies are hardwired to react very quickly,within milliseconds.But we need more time to assess other factors.To accurately tell whether someone is sociable,studies show,we need at least a minute,preferably five.It takes a while to judge complex aspects of personality,like neuroticism or openmindedness.But snap decisions in reaction to rapid stimuli aren't exclusive to the interpersonal realm.Psychologists at the University of Toronto found that viewing a fastfood logo for just a few milliseconds primes us to read 20 percent faster,even though reading has little to do with eating.We unconsciously associate fast food with speed and impatience and carry those impulses into whatever else we're doing.Subjects exposed to fastfood flashes also tend to think a musical piece lasts too long.Yet we can reverse such influences.If we know we will overreact to consumer products or housing options when we see a happy face(one reason good sales representatives and real estate agents are always smiling),we can take a moment before buying.If we know female job screeners are more likely to reject attractive female applicants,we can help screeners understand their biases—or hire outside screeners.John Gottman,the marriage expert,explains that we quickly“thin slice”information reliably only after we ground such snap reactions in“thick sliced”longterm study.When Dr.Gottman really wants to assess whether a couple will stay together,he invites them to his island retreat for a much longer evaluation;two days,not two seconds.Our ability to mute our hardwired reactions by pausing is what differentiates us from animals:doges can think about the future only intermittently or for a few minutes.But historically we have spent about 12 percent of our days contemplating the longer term.Although technology might change the way we react,it hasn't changed our nature.We still have the imaginative capacity to rise above temptation and reverse the highspeed trend.
    The time needed in making decisions may_____

    A.vary according to the urgency of the situation
    B.prove the complexity of our brain reaction
    C.depend on the importance of the assessment
    D.predetermine the accuracy of our judgment

    答案:D
    解析:
    细节题【命题思路】本题主要考查考生对于段落具体信息的把握和理解,考生应能精准掌握与题相关内容,选出对原文相关内容同义置换的正确选项,并能排除无中生有,偷换概念和张冠李戴等干扰选项。【直击答案】根据题干关键词time定位到第一段if we take a moment…hardwired responses处。该处说明我们做决定所花的时间决定了我们判断的准确性。第二段第二句话以But这一转折连词引导,为重点关注信息,“但是,我们需要更多的时间来评估其他要素。”而本段的第三、四句,也很明显地揭示出本题正确答案,尤其是第三句中的“accurately”一词和D项中的“accuracy”为同词异形,故此项为正确答案。【排除干扰】A项无中生有,本文并没有出现类似信息,也不能从文章中总结得出。B项无中生有,本文主要在讲快速决定,而非大脑的复杂性。C项与原文不符,排除。

  • 第8题:

    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.

    A. TRUST
    B. COST
    C. IDM
    D. SOLUTION

    答案:A
    解析:

  • 第9题:

    共用题干
    Protection of Wildlife
    Demands for stronger protection for wildlife in Britain some hide the fact that similar are felt ill the rest Europe.Studies by the Council of Europe,of which 21 countries are members,have shown that 1 percent of reptile species and 24 percent of butterflies are in danger of dying out.
    European concern for wildlife was outlined by Dr. Peter Baum,an expert in the environment and nature resources division of the council,when he spoke at a conference arranged by the ad- ministrators of a British national park.The park is one of the few areas in Europe to hold the council's diploma for nature reserves of the highest quality,and Dr. Peter Baum had come to present it to the park once again.He was afraid that public opinion was turning against national parks,and that those set up in the 1960s and 1970s could not be set up today.But Dr. Baum clearly remained a strong supporter of the view that natural environments needed to be allowed to survive in a peace in their own right.
    No area could be expected to survive both as a true nature reserve and as tourist attraction,he went on .The short view that reserves had to serve immediate human demands for outdoor recrea- tion should be replaced by full acceptance of their importance as places to preserve nature for the future.
    “We forget that they are the guarantee of life systems,on which any built-up area ultimately depends,”Dr. Baum went on,“We could manage without most industrial products,but we could not manage without nature.However,our natural environment areas,which are the original parts of our countryside,have shrunk to become mere islands in a spoiled and highly polluted land mass.”

    Although we all depend on the resources of nature for our survival,______.
    A: industrial products are replacing all our natural resources
    B: it is only on islands that nature survives
    C:we have forgotten what our original countryside looked like
    D: we have allowed areas of countryside to be spoilt by industrial development

    答案:D
    解析:
    第一段的第二句提到,拥有21个成员国的欧洲委员会所作的研究显示,1%的爬行动物和24%的蝴蝶类正濒临威胁甚至绝迹,由此可见答案为D。


    第二段中提到鲍姆博士是来此地再次为该公园颁发证书的。由此可见答案为选项 A。


    第二段最后一句说,鲍姆博士立场鲜明地坚持应当让国家环境不受干扰地生存,理应如此。最后一段说,但是,我们的自然环境区,它们是农村最初的组成部分,已经退减成为被破坏污染了一片地区中的小岛而已了。综合两句意思,可推断出答案应为选项 D。


    第三段中,鲍姆认为,没有一个地区能有望做既是真正的自然保护区而又是旅游区而存在。由此可见,他是否定自然保护区存在的可能性,选项A、D可排除。同时第二段最后一句,鲍姆博士立场鲜明地坚持应当让国家环境不受干扰地生存。可见选项B 也可排除。


    最后一段指出,我们的自然环境保护区,它们是农村最初的组成部分,已经退减成为被破坏污染了一片地区中的小岛而已了。可见农村环境已被破坏,所以选项D是正确答案。

  • 第10题:

    We have received your letter of September 12,()we are glad to know that you are interested in our electric heaters.

    • A、which
    • B、at which
    • C、from which
    • D、in which

    正确答案:C

  • 第11题:

    单选题
    We are beginning to learn that we __________.
    A

    can control our physical environment

    B

    can never control our biological environment

    C

    have no control over our physical environment

    D

    can control both our biological and physical environments


    正确答案: D
    解析:
    第二段第二句提到“We are only beginning to learn that we can control our biological environment as well as our physical one.”(我们只是开始了解到我们可以控制我们的生物环境和自然环境),故D项正确。

  • 第12题:

    问答题
    Practice 2  We must work passionately and indefatigably to bridge the gulf between our scientific progress and our moral progress. One of the great problems of mankind is that we suffer from a poverty of the spirit which stands in glaring contrast to our scientific and technological abundance. The richer we have become materially, the poorer we have become morally and spiritually.  Every man lives in two realms, the internal and the external. The internal is that realm of spiritual ends expressed in art, literature, morals and religion. The external is that complex of devices, techniques, mechanisms and instrumentalities by means of which we live. Our problem today is that we have allowed the internal to become lost in the external. We have allowed the means by which we live to outdistance the ends for which we live. So much of modern life can be summarized in that suggestive phrase of Thoreau: “Improved means to an unimproved end. “ This is the serious predicament, the deep and haunting problem, confronting modern man. Enlarged material powers spell enlarged peril if there is not proportionate growth of the soul. When the external of man’s nature subjugates the internal, dark storm clouds begin to form. (Martin Luther King: Where Do We Go from Here: Chaos or Community?)

    正确答案: 【参考译文】
    我们必须热情不倦地努力,以拉近科学发展和道德进步之间的巨大差距。苦于心灵的贫瘠,是我们人类的一大问题,这与科技的丰足形成了触目惊心的对照。我们在物质上愈是富足,我们在道德和精神上就愈是贫乏。
    人人都活在内在与外在这两大领域之中。内在领域即精神领域,以艺术、文学、道德、宗教的方式来呈现。外在领域由我们赖以生存的设备、工艺、机械和工具所组成。我们当今的问题在于,我们听任内在领域迷失在外在领域之中,听任生存的手段远远超前于生存的目的。现代生活在诸多方面都可引用梭罗那句启发性的警言来作结论:“改善了方法,却未能改善目标。”这就是现代人所遭遇到的一个重大困境,一个严重问题。如果心灵没有跟着一起成长,那么物质力量愈大,所招致的危险也就越大。一旦人性中的外在力量胜过了内在力量,乌云暴雨便会开始形成。
    解析: 暂无解析

  • 第13题:

    Directions: The following is an introduction of a company. After reading it, you should give brief answers to the five questions ( No.56 to No. 60) that follow. The answers (in not more than 3 words)should be written after the corresponding numbers on the Answer Sheet.

    Ditis Hong Kong Ltd is a manufacturer of security products and peripheral equipment, knowledge-based company. All of our managers has high technical education and fluently spoken English, Chinese, Japanese and Russian. We major in professional digital security products. Our products with advanced technology, stable performance, cost-effective, stylish design, excellent quality, has won the trust of customers and a wide range of popular.

     Being a professional manufacturer of security products, we value Innovation, Dedication and Superiority, and satisfy our customers by adding new designs and features to our products according to customers' needs.

      Our service & knowledge is second to none. We really appreciate your business and hope to deal with you again.

      We sincerely welcome customers to visit and give us your advice.

    41.What kind of company is Ditis Hong Kong Ltd?

        Ditis Hong Kong Ltd is a manufacturer of ________ and peripheral equipment, knowledge-based company.

    42. What’s the educational background of the managers in Ditis Hong Kong Ltd?

      All of our managers has ________________.

    43. What’s the major products of the company?

      They major in ______________ products. 

      44. How can the company satisfy its customers?

    It satisfies its customers by adding ____________ to our products according to customers' needs

      45. How about the service and knowledge of the company?

    Our service & knowledge is ___________.


    答案:41, security products;42,high technical education;43,security products;

    44,designs and features;45,second to none。

    解析:

    41,来自“Ditis Hong Kong Ltd is a manufacturer of security products and peripheral equipment, knowledge-based company. ”Ditis Hong Kong Ltd 是一家专业生产安全产品和外部设备产品的知识型公司。

    42,来自“All of our managers has high technical education and fluently spoken English, Chinese, Japanese and Russian. ”我们所有的经理都受过高等技术教育,英语、汉语、日语和俄语口语流利。

    43,来自“Being a professional manufacturer of security products”是一家专业的安全产品制造商。

    44,来自“by adding new designs and features to our products according to customers' needs.”根据客户的需要,为产品添加新的设计和特色。

    45,来自“Our service & knowledge is second to none. ”我们的服务和知识是首屈一指的。






  • 第14题:

    Neither ______ entirely on the agent when we buy insurance.

    A: we should depend

    B: should we depend

    C: we depend

    D: depend we


    参考答案:B

  • 第15题:

    Since our terms of payment are acceptable to other buyers, we trust you will agree to do business with us on these terms.(英译中)


    参考答案:因其他买主接受我方付款条款,相信你们会同意在此条款上与我们达成交易。

  • 第16题:

    When we discuss the English language,we illuminate our weaknesses,prejudices and ambitions.Language creates communities,and some of these are solidarities of complainers and pedants.A statement about proper English is a statement not only about the language,but also about people-about who the proper English are,or just about who the proper users of English are.Typically,the celebrants and defenders of proper English are celebrating or defending something other than language.Where does our sense of the sproper'come from?In arguing about what is right and what wrong in any language,we appeal to authority.This authority is embodied in academies,the Ministry of Education(or its equivalent)and universities,as well as in the pronouncements of people who have appointed themselves authorities and have become known as such.We commonly accept these judges'pronouncements.There are also geographical criteria.These are evident in statements such as'Natives of Perugia speak the best Italian'or'People in Alsace have funny accents'.Typically,we feel that there are certain environments in which our language is decently used,and we favour the usage that obtains there.(48)Sometimes,too,we defer to the example of a significant literary figure,saying that so-and-so is a model of correctness.A broader view is that'correct English is that which is used by the best writers',but who are they,and what are the criteria for their being so esteemed?The definition tends to be circular:the best writers are the ones who best use the resources of English.When we appeal to aesthetics,our arguments become vague.The aesthetically sensitive arbiter will argue that whatever is beautiful in language is good.(49)The problem here would seem to be that the desire for beautiful language concentrates on language as an object-on the sensory pleasure it affords rather than on what it signifies.Besides,as we know from our observation of others,the constant pursuit of beauty can be embarrassing.Alternatively,we may claim that the most elegant usage is that of the social elite.Perhaps this now seems an absurd position,but not long ago it would have been perfectly normal.The democratic option is to say that all doubtful matters should be decided by ballot,or just to say that the majority is right.We also appeal to logic.(50)Although there are discrepancies between logic and the ways we use language,we frequently use arguments from logic(or from what we imagine to be logic)in order to justify our choice of words or find fault with others'choices.In practice we tend to find our usual practices logical and anything else illogical.'Logic'is often a mask for arrogance and extreme patriotism.


    答案:
    解析:
    这种权威具体表现为研究院、教育部(或同等功能的机构)和大学,还体现在那些自诩为权威并以此著称的人所发表的声明中。

  • 第17题:

    Which of the following is NOT true?__________

    A.Advertisement makes contribution to our pockets and we may know everything
    B.We can buy what we want
    C.Good quality products don't need to be advertised
    D.Advertisement makes our life colorful

    答案:C
    解析:
    A选项说广告可以为我们的荷包做贡献而且我们可以知道很多事情,符合文章内容。B选项说我们可以买到我们想买的东西,文章里说的是我们买东西的时候很多时候都是根据广告的内容去买的,所以也符合文章内容。C选项说好品质的东西不需要做广告,文中没有提到。D选项说广告使我们的生活更加多彩,文章说了诸多广告的好处,可以推断出这个结论。故选C。

  • 第18题:

    12. Our service personnel work for clients on a wide variety of sites, many of _______are tough industrial environments that are unsuitable for laptops or PDAs.


    A.whom
    B.them
    C.which
    D.that

    答案:C
    解析:

  • 第19题:

    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.

    A.with
    B.on
    C.of
    D. for

    答案:B
    解析:

  • 第20题:

    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.

    A.SP
    B.IdM
    C.Internet
    D.entity

    答案:B
    解析:

  • 第21题:

    共用题干
    第二篇

    Protection of Wildlife

    Demands for stronger protection for wildlife in Britain sometimes hide the fact that similar needs are felt in the rest Europe.Studies by the Council of Europe,of which 21 countries are members, have shown that 1 percent of reptile species and 24 percent of butterflies are in danger of dying out.
    European concern for wildlife was outlined by Dr. Peter Baum,an expert in the environment and nature resources division of the Council,when he spoke at a conference arranged by the administrators of a British national park.The park is one of the few areas in Europe to hold the Council's diploma for nature reserves of the highest quality,and Dr. Baum had come to present it to the park once again.He was afraid that public opinion was turning against national parks,and that those set up in the 1960s and 1970s could not be set up today. But Dr. Baum clearly remained a strong supporter of the view that natural environments needed to be allowed to survive in peace in their own right.
    No area could be expected to survive both as a true nature reserve and as tourist attraction,he
    went on.The short view that reserves had to serve immediate human demands for outdoor recreation should be replaced by full acceptance of their importance as places to preserve nature for the future.
    "We forget that they are the guarantee of life systems,on which any built-up area ultimately depends,"Dr. Baum went on,"We could manage without most industrial products,but we could not manage without nature.However,our natural environment areas,which are the original parts of our countryside,have shrunk to become mere islands in a spoiled and highly polluted land mass."

    Although we all depend on the resources of nature for our survival,________.
    A:industrial products are replacing all our natural resources
    B:it is only on islands that nature survives
    C:we have forgotten what our original countryside looked like
    D:we have allowed areas of countryside to be spoilt by industrial development

    答案:D
    解析:
    第一段的第二句提到,拥有21个成员国的欧洲委员会所作的研究显示, 1%的爬行动物和24%的蝴蝶类正濒临灭绝,由此可见答案为D。
    第二段中提到鲍姆博士来此地是再次为该公园颁发证书的。由此可见答案为选项A。
    第二段最后一句说,鲍姆博士立场鲜明地坚持应当让自然环境不受干扰地生存,理应如此。最后一段说,曾是郊野最初的组成部分的自然环境保护区已经退减成为被破坏污染了的一片地区中的小岛。综合两句意思,可推断出答案应为选项D。
    第三段中,鲍姆认为,没有一个地区能有望既是真正的自然保护区又是旅游区。故答案为C。
    见最后一段。

  • 第22题:

    单选题
    You can trust our product as we have ______ control over its quality.
    A

    strict

    B

    limited

    C

    little

    D

    natural


    正确答案: B
    解析:
    句意:你可以信任我们的产品,我们对质量是严格把关的。本题考查形容词词义辨析。根据句意可知,这里指的是对质量的把关十分严格,只有strict“严格的”符合题意。故A项正确。limited有限的,受限制的。little少量的。natural自然的。

  • 第23题:

    单选题
    We have received your letter of September 12,()we are glad to know that you are interested in our electric heaters.
    A

    which

    B

    at which

    C

    from which

    D

    in which


    正确答案: D
    解析: 暂无解析