Outline generic steps for troubleshooting faults of PTN devices.

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第1题

An application architecture specifies the technologies to be used to implement one or more

information systems． It serves as an outline for detailed design， construction， and implementation． Given the models and details， include（）， we can distribute data and processes to create a general design of application architecture． The design will normally be constrained by architecture standards， project objectives， and （）． The first physical DFD to be drawn is the（）． The next step is to distribute data stores to different processors． Data（） are two types of distributed data which most RDBMSs support． There are many distribution options used in data distribution． In the case of （）we should record each table as a data store on the physical DFD and connect each to the appropriate server．

A.logical DFDs and ERDB.ideal object model and analysis class modelC.use case models and interface prototypesD.physical DFDs and database schemaA.the database management systemB.the feasibility of techniques usedC.the network topology and technologyD.the user interface and process methodsA.context DFDB.system DFDC.network architecture DFDD.event-response DFDA.vertical partitioning and horizontal replicationB.vertical replication and horizontal partitioningC.integration and distributionD.partitioning and replicationA.storing all data on a single serverB.storing specific tables on different serversC.storing subsets of specific tables on different serversD.duplicating specific tables or subsets on different servers

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第2题

During the past years, intelligent technology has evolved（116)three generations. The first

During the past years, intelligent technology has evolved(116)three generations. The first was characterized by tools such as prolog and OPS. prolog is a simple backward-chaining environment, and OPS is a simple forward-chaining environment. This led to the second generation of knowledge-engineering environments. Its goal was to model, prototype and construct(117)systems.All three generations were oriented toward generic(118)and represented generalized implementation environments for the construction of expert systems. knowledge bases and AI applications.Some of the solution-oriented products are also seamlessly integrated with generic knowledge-engineering environments, permitting end users to add(119) rules and objects, as well as predefined knowledge-based logic to address problems in manufacturing simulation.Marketplace orientation is rapidly(120)toward solution-oriented intelligent product environments. the fourth generation represents a new line of thinking and ' develop-merit by commercial fu-ms. will reduce the cost risk and development time associated with problem solving.

A．custom

B．knowledge

C．through

D．problem solving

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第3题

以下哪个命令可令一条不闭合的曲线成为闭合曲线：（)

A.Outline

B.Break

C.Divide

D.Extrude

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