单选题With regard to the drivers behind Application Grid based computing, consider the following statements and indicate which is TRUE:// ()  I. data center complexity leads to lack of predictability making it difficult if not impossible to guarantee quality

题目
单选题
With regard to the drivers behind Application Grid based computing, consider the following statements and indicate which is TRUE:// ()  I. data center complexity leads to lack of predictability making it difficult if not impossible to guarantee quality of service  II. data centers must do more with less and find a way to better utilize existing capacity  III. growth means added complexity
A

 I and II

B

 I and III

C

 II and III

D

 I, II and III


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  • 第1题:

    98 Which of the following statements about the cost of quality are true?

    A. the cost of quality is the expense of nonconformance to requirements and specifications.

    B. the cost of quality are mostly the direct responsibility of workers who are manufacturing the product.

    C. quality control programs should be implemented when the cost of quality are deemed affordable by management.

    D. A and B.

    E. A and C


    正确答案:A

  • 第2题:

    Which of the following statements about take-based language teaching is NOT true?

    A.Students should be given tasks to perform or problems to solve in the classroom.
    B.Student are task-driven.
    C.Task-based language teaching is student-centered.
    D.Task-based language teaching is teacher-centered.

    答案:D
    解析:
    考查任务型语言教学。任务型语言教学以学生为主体,以任务为中心,学生通过参与和完成一系列的任务来习得语言知识。任务型语言教学法与3P教学模式不同,任务型教学法的基本学习步骤分为前任务(pre.task)、任务环(task cycle)和语言聚焦(language focus)三个部分,“3P”教学法包括演示(presentation)、操练(practice)、成(production)个阶段。两种不同的教学法都属于语言教学法的分支。故选D。

  • 第3题:

    Which of the following statements is TRUE concerning the po column of the vmstat command?()

    • A、 The sys is high when po is high.
    • B、 The po represents the number of page steals.
    • C、 The low values usually indicate insufficient paging space.
    • D、 The low values usually indicate sufficient memory for the load.

    正确答案:D

  • 第4题:

    Select three true statements regarding Coherence()

    • A、 Coherence provides stronger data management than an Application Server
    • B、 Coherence provides better scale-out performance than a Application Server
    • C、 Coherence provides better scale-out performance than a Database Server
    • D、 Coherence provides better througput than a JMS messaging server Coherence provides stronger configuration management than Grid Control

    正确答案:A,B,C

  • 第5题:

    With regard to the drivers behind Application Grid based computing, consider the following statements and indicate which is TRUE:// ()  I. data center complexity leads to lack of predictability making it difficult if not impossible to guarantee quality of service  II. data centers must do more with less and find a way to better utilize existing capacity  III. growth means added complexity

    • A、 I and II
    • B、 I and III
    • C、 II and III
    • D、 I, II and III

    正确答案:D

  • 第6题:

    多选题
    If p and q are primes greater than 2, which of the following statements must be true? (Indicate all such statements.)
    A

    p + q is even

    B

    pq is odd

    C

    p2-q2 is even


    正确答案: A,B
    解析:
    由于所有大于2的质数都是奇数,因此p和q均是奇数,两奇数相加为偶数,所以A项正确;两奇数的乘积还是奇数,所以B项正确;两奇数的平方还各自是奇数,而两奇数的平方之差是偶数,因此C项也正确;所以选择A、B、C三项。

  • 第7题:

    多选题
    Which of the following statements are true? (Indicate all such statements.)
    A

    τ(5) =τ(7)

    B

    τ(5) τ(7) =τ(35)

    C

    τ(5) + τ(7) =τ(12)


    正确答案: A,B
    解析:
    5和7均只有两个正除数,因此根据题干信息,A项正确;35有四个正除数,所以B项也是正确的;12有6个正除数,因此C项错误;选择A、B两项。

  • 第8题:

    单选题
    With regard to the drivers behind Application Grid based computing, consider the following statements and indicate which is TRUE:// ()  I. data center complexity leads to lack of predictability making it difficult if not impossible to guarantee quality of service  II. data centers must do more with less and find a way to better utilize existing capacity  III. growth means added complexity
    A

     I and II

    B

     I and III

    C

     II and III

    D

     I, II and III


    正确答案: A
    解析: 暂无解析

  • 第9题:

    多选题
    Which two statements are true about Oracle ActiveCache ?()
    A

    it supports very large data-sets such as the result-sets from large search queries to be held in memory

    B

    it provides a set of management tools that enables automation of configuration

    C

    it provides enhanced visibility across the entire application infrastructure

    D

    it significantly increases the performance of Web-based applications with no code change


    正确答案: C,D
    解析: 暂无解析

  • 第10题:

    单选题
    Which of the following statements about task-based language teaching is NOT true?
    A

    Students should be given tasks to perform or problems to solve in the classroom.

    B

    Students are task-driven.

    C

    Task-based language teaching is student-centered.

    D

    Task-based language teaching follows the PPP model.


    正确答案: B
    解析:

  • 第11题:

    单选题
    According to the passage, which of the following statements is NOT true?
    A

    Smell is the most emotional of the senses.

    B

    Smell stimulates our memory more than the other senses.

    C

    Smell is considered to be mysterious, as it is untouchable.

    D

    Smell is the most difficult sense to identify.


    正确答案: D
    解析:
    细节理解题。B项与第五段第二句a photography or a voice is just as likely to evoke a memory as a smell矛盾。

  • 第12题:

    单选题
    A customer asked a consultant to create the infrastructure for an application.  The application is designed to charge customers for conferencing services based on usage.  To determine if a Storage Area Network (SAN) is the best storage solution, which of the following questions is most appropriate?()
    A

    Will the application require a database?

    B

    Which operating system does the application require?

    C

    Will the data need to be backed up in real time?

    D

    Does the application share data among the servers?


    正确答案: C
    解析: 暂无解析

  • 第13题:

    With regard to bridges and switches, which of the following statements are true?()

    A. Switches are primarily software based while bridges are hardware based.

    B. Both bridges and switches forward Layer 2 broadcasts.

    C. Bridges are frequently faster than switches.

    D. Switches typically have a higher number of ports than bridges.

    E. Bridges define broadcast domain while switches define collision domains.

    F. Both bridges and switches make forwarding decisions based on Layer 2 addresses.


    参考答案:B, E, F

  • 第14题:

    Which two statements are true about the Application Grid ?()

    • A、 Application Grid computing brings key industry-leading technologies like MS IIS and Grade WebLogic Server together.
    • B、 Application Grid computing promotes well architectured sharing of resources.
    • C、 Application Grid computing based on Oracle’s RAC technology.
    • D、 Application Grid computing results in more predictable behavior through better instrumentation and more optimal allocation of resources.

    正确答案:B,D

  • 第15题:

    A customer asked a consultant to create the infrastructure for an application.  The application is designed to charge customers for conferencing services based on usage.  To determine if a Storage Area Network (SAN) is the best storage solution, which of the following questions is most appropriate?()

    • A、Will the application require a database?
    • B、Which operating system does the application require?
    • C、Will the data need to be backed up in real time?
    • D、Does the application share data among the servers?

    正确答案:D

  • 第16题:

    Which two statements are true about Oracle ActiveCache ?()

    • A、 it supports very large data-sets such as the result-sets from large search queries to be held in memory
    • B、 it provides a set of management tools that enables automation of configuration
    • C、 it provides enhanced visibility across the entire application infrastructure
    • D、 it significantly increases the performance of Web-based applications with no code change

    正确答案:A,D

  • 第17题:

    多选题
    Which two statements are true about the Application Grid ?()
    A

    Application Grid computing brings key industry-leading technologies like MS IIS and Grade WebLogic Server together.

    B

    Application Grid computing promotes well architectured sharing of resources.

    C

    Application Grid computing based on Oracle’s RAC technology.

    D

    Application Grid computing results in more predictable behavior through better instrumentation and more optimal allocation of resources.


    正确答案: C,A
    解析: 暂无解析

  • 第18题:

    多选题
    Concerning the figure below, if a =b, which of the following statements must be true? (Indicate all such statements.)
    A

    c=d

    B

    l and k are parallel

    C

    m and l are perpendicular


    正确答案: C,B
    解析:
    根据题目中的已知信息无法推断出各直线的关系,因此B、C均不正确;而由图示可知,c和d分别是a和b的补角,由于a=b,所以c=d,A项正确。

  • 第19题:

    单选题
    Which ONE of the following statements about Domino Enterprise server is true?()
    A

    Can host Active Server Pages Web sites

    B

    Can host PHP Web sites

    C

    Includes a DB2 server

    D

    Includes an integrated Web application server


    正确答案: B
    解析: 暂无解析

  • 第20题:

    单选题
    Which of the following statements is TRUE concerning the po column of the vmstat command?()
    A

     The sys is high when po is high.

    B

     The po represents the number of page steals.

    C

     The low values usually indicate insufficient paging space.

    D

     The low values usually indicate sufficient memory for the load.


    正确答案: B
    解析: 暂无解析

  • 第21题:

    多选题
    With regard to bridges and switches, which of the following statements are true?()
    A

    Switches are primarily software based while bridges are hardware based.

    B

    Both bridges and switches forward Layer 2 broadcasts.

    C

    Bridges are frequently faster than switches.

    D

    Switches typically have a higher number of ports than bridges.

    E

    Bridges define broadcast domain while switches define collision domains.

    F

    Both bridges and switches make forwarding decisions based on Layer 2 addresses.


    正确答案: A,E
    解析: 暂无解析

  • 第22题:

    单选题
    A technician wants to decrease the overall attack surface of the servers in a data center through decreasing the number of open network ports on each server. Which of the following could the technician implement to increase security?()
    A

    Host based intrusion detection software

    B

    Software firewall

    C

    NTFS

    D

    ACL


    正确答案: D
    解析: 暂无解析

  • 第23题:

    单选题
    Only one of the following statements is true, according to what was said. Which one is it?
    A

    The approaches of the three researchers are quite different.

    B

    The three researchers’ approaches are all based on detecting imperfections in the print quality of documents.

    C

    Old-school forensic scientists were unable to trace documents to particular typewriters based on quirks of the individual keys.

    D

    The researchers from Purdue believe the perfect pieces of engineering leave unique patterns of banding in their products.


    正确答案: A
    解析:
    录音首句便指出虽然三位研究人员所采取的方法有稍微的不同,但是“all are based on detecting imperfections in the print quality of documents”,因此选项B与录音内容相符。
    【录音原文】
    Though the approaches of the three researchers differ slightly, all are based on detecting imperfections in the print quality of documents. Old-school forensic scientists were—at least so the movies would have you believe—able to trace documents to particular typewriters based on quirks of the individual keys. The researchers from Purdue employ a similar approach, exploiting the fact that the rotating drums and mirrors inside a printer are imperfect pieces of engineering which leave unique patterns of banding in their products.

  • 第24题:

    单选题
    Which of the following statements is NOT true according to the passage?
    A

    New England winters are cold.

    B

    Some taxi drivers are impolite.

    C

    The U. S. A is a popular place for tourists.

    D

    Hotel staff are often sympathetic.


    正确答案: D
    解析:
    结论推断题。答案出处为全文。A和B两项可以分别在原文的第三、四段找到。C项在原文中虽不能直接找到,但原文开头提到more than a million and a half foreign tourists就可以证明美国深受游客欢迎。D项与第四段中的unsympathetic相反,故选D项。