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● Routing protocols use different techniques for assigning（71）to individual networks．Further, each routing protocol forms a metric aggregation in a different way. Most routing protocols can use multiple paths if the paths have an equal（72）.Some routing protocols can even use multiple paths when paths have an unequal cost.In either case,load（73）can improve overall allocation of network bandwidth. When multiple paths are used,there are several ways to distribute the packets. The two most common mechanisms are per-packet load balancing and per-destination load balancing.Per-packet load balancing distributes the（74）across the possible routes in a manner proportional to the route metrics,Per-destination load balancing distributes packets across the possible routes based on（75）.
（71）A. calls B. metrics C. links D. destinations （72）A. user B. distance C. entity D. cost （73）A. bracketing B. balancing C. downloading D. transmitting （74）A. destinations B. resources C. packets D. sources （75）A. destinations B. resources C. packets D. sources
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更多 “ ● Routing protocols use different techniques for assigning（71）to individual networks．Further, each routing protocol forms a metric aggregation in a different way. Most routing protocols can use multiple paths if the paths have an equal（72）.Some routing protocols can even use multiple paths when paths have an unequal cost.In either case,load（73）can improve overall allocation of network bandwidth. When multiple paths are used,there are several ways to distribute the packets. The two most common mechanisms are per-packet load balancing and per-destination load balancing.Per-packet load balancing distributes the（74）across the possible routes in a manner proportional to the route metrics,Per-destination load balancing distributes packets across the possible routes based on（75）.（71）A. calls B. metrics C. links D. destinations （72）A. user B. distance C. entity D. cost （73）A. bracketing B. balancing C. downloading D. transmitting （74）A. destinations B. resources C. packets D. sources （75）A. destinations B. resources C. packets D. sources ” 相关考题
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Object-oriented analysis(OOA)is a semiformal specification technique for the object-oriented paradigm. Object-oriented analysis consists of three steps. The first step is(71). It determines how the various results are computed by the product and presents this information in the form. of a(72)and associated scenarios. The second is(73), which determines the classes and their attributes. Then determine the interrelationships and interaction among the classes. The last step is(74), which determines the actions performed by or to each class or subclass and presents this information in the form. of(75).A．use-case modelingB．class modelingC．dynamic modelingD．behavioral modeling
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Object-oriented analysis (OOA) is a semiformal specification technique for the object-oriented paradigm. Object-oriented analysis consists of three steps. The first step is(71) . It determines how the various results are computed by the product and presents this information in the form. of a(72) and associated scenarios. The second is(73) , which determines the classes and their attributes, then determines the interrelationships and interaction among the classes. The last step is(74) , which determines the actions performed by or to each class or subclass and presents this information in the form. of (75) .A．static modelingB．dynamic modelingC．use-case modelingD．behavioral modeling
考题
试题（71）～（75）Object-oriented analysis (OOA) is a semiformal specification technique for the object-oriented paradigm. Object-oriented analysis consists of three steps. The first step is （71）. It determines how the various results are computed by the product and presents this information in the form. of a （72） and associated scenarios. The second is （73） , which determines the classes and their attributes. Then determine the interrelationships and interaction among the classes. The last step is （74） , which determines the actions performed by or to each class or subclass and presents this information in the form. of （75） .（71）A. use-case modelingB. class modelingC. dynamic modelingD. behavioral modeling（72）A. collaboration diagramB. sequence diagramC. use-case diagramD. activity diagram（73）A. use-case modelingB. class modelingC. dynamic modelingD. behavioral modeling（74）A. use-case modelingB. class modelingC. dynamic modelingD. behavioral modeling（75）A. activity diagramB. component diagramC. sequence diagramD. state diagram
考题
●Object-oriented analysis (OOA) is a semiformal specification technique for the object-oriented paradigm. Object-oriented analysis consists of three steps. The first step is （71）. It determines how the various results are computed by the product and presents this information in the form. of a （72） and associated scenarios. The second is （73） , which determines the classes and their attributes, then determines the interrelationships and interaction among the classes. The last step is （74） , which determines the actions performed by or to each class or subclass and presents this information in the form. of （75） .（71）A.use-case modelingB. class modelingC. dynamic modelingD. behavioral modeling（72）A. collaboration diagramB. sequence diagramC. use-case diagramD. activity diagram（73）A. use-case modelingB. class modelingC. dynamic modelingD. behavioral modeling（74）A.use-case modelingB. class modelingC. dynamic modelingD. behavioral modeling（75）A. activity diagramB. component diagramC. sequence diagramD. state diagram
考题
● Serialization delay and （71） delay are the two components of network delay that are improved by increasing bandwidth. Serialization delay, i.e. the amount of time it takes to put the （72） on the wire, and queuing delay (depth of the queue) are improved by increasing the （73） from a 128Kbps circuit to a T1. However, three other components of delay, routing/switching delay, distance delay, and protocol delay are components that can not be positively affected by an （74） in bandwidth. If the circuits are not over-utilized, then increasing the bandwidth to improve the （75） of the application will only result in an increased bandwidth with no positive effects on performance.
考题
Serialization delay and(71)delay are the two components of network delay that are improved by increasing bandwidth. Serialization delay, i.e. the amount of time it takes to put the(72)on the wire, and queuing delay(depth of the queue)are improved by increasing the(73)from a 128Kbps circuit to a THowever, three other components of delay, routing/switching deiay, distance delay, and protocol delay are components that can not be positively affected by an(74)in bandwidth. If the circuits are not over-utilized, then increasing the bandwidth to improve the(75)of the application will only result in an increased bandwidth with no positive effects on performance.A．bufferingB．queuingC．receivingD．timing
考题
● It should go without saying that the focus of UML is modeling. However, what that means, exactly, can be an open-ended question. （71） is a means to capture ideas, relationships, decisions, and requirements in a well-defined notation that can be applied to many different domains. Modeling not only means different things to different people, but also it can use different pieces of UMLdepending on what you are trying to convey. In general, a UML model is made up of one or more （72） . A diagram graphically represents things, and the relationships between these things. These （73） can be representations of real-world objects, pure software constructs, or a description of the behavior. of some other objects. It is common for an individual thing to show up on multiple diagrams; each diagram represents a particular interest, or view, of the thing being modeled. UML 2.0 divides diagrams into two categories: structural diagrams and behavioral diagrams. （74） are used to capture the physical organization of the things in your system, i.e., how one object relates to another. （75） focus on the behavior of elements in a system. For example, you can use behavioral diagrams to capture requirements, operations, and internal state changes for elements.（71）A.ProgrammingB. AnalyzingC. DesigningD. Modeling（72）A.viewsB. diagramsC. user viewsD. structure pictures（73）A. thingsB. picturesC. languagesD. diagrams（74）A. Activity diagramsB. Use-case diagramsC. Structural diagramsD. Behavioral diagrams（75）A. Activity diagramsB. Use-case diagramsC. Structural diagramsD. Behavioral diagrams
考题
● It should go without saying that the focus of UML is modeling．However, what that means, exactly, can be an open-ended question． （71） is a means to capture ideas, relationships, decisions, and requirements in a well-defined notation that can be applied to many different domains．Modeling not only means different things to different people, but also it can use different pieces of UML depending on what you are trying to convey．In general, a UML model is made up of one or more （72） ． A diagram graphically representsthings, and the relationships between these things．These （73） can be representations ofreal-world objects, pure software constructs, or a description of the behavior. of some other objects．It is common for an individual thing to show up on multiple diagrams; each diagram represents a particular interest, or view, of the thing being modeled．UML 2.0 divides diagrams into two categories: structural diagrams and behavioral diagrams． （74） are used to capture the physical organization of the things in your system, i． e． , how one object relatesto another. （75) focus on the behavior. of elements in a system．For example, you can use behavioral diagrams to capture requirements, operations, and internal state changes forelements．（71）A．ProgrammingB．AnalyzingC．DesigningD．Modeling（72）A．viewsB．diagramsC．user viewsD．structure pictures（73）A．thingsB．picturesC．languagesD．diagrams（74）A．Activity diagramsB．Use-case diagramsC．Structural diagramsD．Behavioral diagrams（75）A．Activity diagramsB．Use-case diagramsC．Structural diagramsD．Behavioral diagrams
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3．Is her lifestyle. the same as yours or ________? What are the________?A． difference， differentB． different ，differenceC． different ，differencesD． difference ， differences
考题
● Object-oriented analysis (OOA) is a semiformal specification technique for the object-oriented paradigm. Object-oriented analysis consists of three steps. The first step is （71）. It determines how the various results are computed by the product and presents this information in the form. of a （72） and associated scenarios. The second is （73） , which determines the classes and their attributes. Then determine the interrelationships and interaction among the classes. The last step is （74） , which determines the actions performed by or to each class or subclass and presents this information in the form. of （75） .（71）A.use-case modelingB. class modelingC. dynamic modelingD. behavioral modeling（72）A. collaboration diagramB. sequence diagramC. use-case diagramD. activity diagram（73）A. use-case modelingB. class modelingC. dynamic modelingD. behavioral modeling（74）A.use-case modelingB. class modelingC. dynamic modelingD. behavioral modeling（75）A. activity diagramB. component diagramC. sequence diagramD. state diagram
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