logo - 刷刷题
下载APP
【单选题】

(71)处应填()。

A.an application architecture
B.a distributed system
C.a system scope
D.a system physical model

A.
Information systems design is defined as those tasks that focus on the specification of a detailed computer-based solution. Typically, there are four systems design tasks for in-house development.
B.
1) The first task is to specify (71) ,which defines the technologies to be used by one, more, or all information systems in terms of their data, processes, inteces, and network components. This task is accomplished by yzing the data models and process models that are initially created during requirements ys16.
C.
2) The next systems design task is to develop the (72) . The purpose of this task is to prepare technical design specifications for a database that will be adaptable to future requirements and expansion.
D.
3) Once the database prototype has been built, the systems designer can work closely with system users to develop input, output and dialogue specifications. The (73) must be specified to ensure that the outputs are not lost, misrouted, misused, or incomplete.
E.
4) The fourth design task involves packaging all the specifications from the previous design tasks into a set of specifications that will guide the (74) activities during the following phases of the systems development methodology.
F.
Finally, we should (75) and update the project plan accordingly. The key deliverable should include a detailed plan for the construction phase that should follow.
举报
参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三

【单选题】(34)处应填()。 A.Company B.Finance Department C.HR Department D.Concrete Company

A.
某公司欲开发一门户网站,将公司的各个分公司及办事处信息进行整合。现决定采用Composite设计模式来实现公司的组织结构关系,并设计了如下图所示的UML类图。图中与Composite模式中的“Component”角色相对应的类是 (33) ,与“Composite”角色相对应的类是 (34)
B.

【单选题】(19)处应填()。 A.数据网关 B.主动记录 C.包装器 D.数据映射

A.
某企业欲对内部的数据库进行数据集成。如果集成系统的业务逻辑较为简单,仅使用数据库中的单表数据即可实现业务功能,这时采用 (18) 方式进行数据交换与处理较为合适;如果集成系统的业务逻辑较为复杂,并需要通过数据库中不同表的连接操作获取数据才能实现业务功能,这时采用 (19) 方式进行数据交换与处理较为合适。

【单选题】(60)处应填()。 A.信息隐藏 B.内置监控器 C.限制访问 D.检查点

A.
软件质量属性通常需要采用特定的设计策略实现。例如, (58) 设计策略能提高该系统的可用性, (59) 设计策略能够提高该系统的性能, (60) 设计策略能够提高该系统的安全性。

【单选题】(48)处应填()。 A.逻辑视图 B.用例视图 C.过程视图 D.开发视图

A.
1995年Kruchten提出了著名的“4+1”视图,用来描述软件系统的架构。在“4+1”视图中, (46) 用来描述设计的对象模型和对象之间的关系; (47) 描述了软件模块的组织与管理; (48) 描述设计的并发和同步特征。

【单选题】(63)处应填()。 A.敏感点 B.风险点 C.非风险点 D.权衡点

A.
识别风险点、非风险点、敏感点和权衡点是软件架构评估过程中的关键步骤。针对某系统所作的架构设计中,“系统需要支持的最大并发用户数量直接影响传输协议和数据格式”描述了系统架构设计中的一个 (62) ;“由于系统的业务逻辑目前尚不清楚,因此现有系统三层架构中的第二层可能会出现功能重复,这会影响系统的可修改性”描述了系统架构设计中的一个 (63)

【单选题】(36)处应填()。 A.元数据模型 B.数据库模型 C.数据仓库模型 D.组织架构模型

A.
企业战略数据模型可分为两种类型: (35) 描述日常事务处理中的数据及其关系; (36) 描述企业管理决策者所需信息及其关系。

【单选题】(3)处应填()。 A.jobs B.processes C.programs D.users

A.
transport layer protocol usually has several responsibilities.One is to create a process-to-process communication;UDP uses (1) numbers to accomplish this.Another responsibility is to provide control mechanisms at the transport level.UDP does this task at a very minimal level.There is no flow control mechanism and there is no(2) for received packet.UDP, however, does provide error control to some extent.If UDP detects an error in the received packet,it will silently drop it. The transport layer also provides a connection mechanism for the processes.The (3) must be able to send streams of data to the transport layer.It is the responsibility of the transport layer at (4) station to make the connection with the receiver, chop the stream into transportable units,number them,and send them one by one.It is the responsibility of the transport layer at the receiving end to wait until all the different units belonging to the same process have arrived,check and pass those that are (5) free, and deliver them to the receiving process as a stream.

【单选题】(7)处应填()。 A.多对多的联系在向关系模型转换时必须 B.多对多的联系在向关系模型转换时无须 C.只需要将一端的码并入多端,所以无须 D.不仅需要将一端的码并入多端,而且必须

A.
某企业工程项目管理数据库的部分关系模式如下图所示,其中带实下划线的表示主键,虚下划线的表示外键
B.
C.
其中供应关系是(5)的联系。若一个工程项目可以有多个员工参加,每个员工可以参加多个项目,则项目和员工之间是(6)联系。对项目和员工关系进行设计时,(7)设计成一个独立的关系模式。