A team of programmers is involved in reviewing a proposed design for a new utility class. After some discussion, they realize that the current design allows other classes to access methods in the utility class that should be accessible only to methods wit

题目

A team of programmers is involved in reviewing a proposed design for a new utility class. After some discussion, they realize that the current design allows other classes to access methods in the utility class that should be accessible only to methods within the utility class itself.What design issue has the team discovered?（）

A.Tight coupling

B.Low cohesion

C.High cohesion

D.Loose coupling

E.Weak encapsulation

F.Strong encapsulation

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  • 第1题：

    A passenger plane is able to carry a fixed weight, including passengers and fuel.Which wing design would be best for such a plane?

    A.Design 1

    B.Design 2

    C.Design 3

    D.Design 4


    正确答案：B

    To handle the question, you need to infer that the “best” design would be one that is most efficient in terms of its lift-to-drag ratio as well as in terms of fuel consumption. Fortunately,Tables 1 and 2 each show that design 2 is most efficient.

  • 第2题：

    The stages within the development phase of the software life cycle are ( 71 ).

    A.design, analysis, implementation, and testing

    B.analysis, design, implementation, and testing

    C.analysis, design, testing, and implementation

    D.design, analysis, testing, and implementation


    正确答案：C

  • 第3题：

    In case of accidents ______ the risk of sinking，all effective measures shall be taken to steer clear of the fairway to avoid ______ the traffic．

    A.involving／impeding

    B.involved／to impede

    C.involving／to impede

    D.involved／impeding


    正确答案：A

  • 第4题：

    Chemical processes ( ) in the plastic manufacture ( ) the environment badly in some countries nowadays.

    A、involving/ damage

    B、involved/ damaged

    C、involved/ damage

    D、involve/ damaging


    参考答案：C

  • 第5题：

    Refer to the exhibit. Which two statements about the topologies shown are correct?()

    A. Design 1 is a looped triangle design.

    B. Design 2 is a looped triangle design.

    C. Design 2 achieves quick convergence using RSTP.

    D. Both designs supportstateful services at the aggregation layer.

    E. Design 2 is the most widely deployed in enterprise data centers.


    参考答案：A, D

  • 第6题：

    ____________ utility市政设施


    B

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