单选题
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.
单选题
A. logical DFDs and ERD B. ideal object model and analysis class model C. use case models and interface prototypes D. physical DFDs and database schema
单选题
A. the database management system B. the feasibility of techniques used C. the network topology and technology D. the user interface and process methods
【正确答案】
B
【答案解析】
单选题
A. context DFD B. system DFD C. network architecture DFD D. event-response DFD
【正确答案】
C
【答案解析】
单选题
A. vertical partitioning and horizontal replication B. vertical replication and horizontal partitioning C. integration and distribution D. partitioning and replication
【正确答案】
D
【答案解析】
单选题
A. storing all data on a single server B. storing specific tables on different servers C. storing subsets of specific tables on different servers D. duplicating specific tables or subsets on different servers