Which of the following is a difference between an enterprise data mode

1.Which of the following is a difference between an enterprise data model and a logical data model? 选项： A:An enterprise data model presents the entities of an organization without respect to their relationships. the logical model takes into consideration the relationships B:An enterprise data model represents the business rules of an organization the logical model describes how the data entities will be structured in enterprise database technology C:An enterprise data model demonstrates how the entities can be translated into the enterprise database. The logical model presents the business rules of an organization D:An enterprise data model represents the entities and relationships of an organization. The logical model represents a model that can be presented to a database. E:all

2.Which of the following is a difference between an enterprise data model and a logical data mode!? 选项： A:An enterprise data model represents the entities and relationships of an organization. The logical model represents a model that can be presented to a database. B:An enterprise data model represents the business rules of an organization the logical model describes how the data entities will be structured in enterprise database technology C:An enterprise data model demonstrates how the entities can be translated into the enterprise database. The logical model presents the business rules of an organization D:All E:An enterprise data model presents the entities of an organization without respect to their relationships. the logical model takes into consideration the relationships

3.Which of the following is a difference between an enterprise data model and a logical data model? 选项： A:An enterprise data model presents the entities of an organization without respect to their relationships. The logical model takes into consideration the relationships. B:An enterprise data model represents the business rules of an organization. The logical model describes how the data entities will be structured in enterprise database technology. C:An enterprise data model demonstrates how the entities can be translated into the enterprise database. The logical model presents the business rules of an organization. D:An enterprise data model represents the entities and relationships of an organization. The logical model represents a model that can be presented to a database. E:All

4.Which of the follo《签防《aURa》伪光环标》wing is a difference between an enterprise data model and a logical data model? 选项： A:An enterprise data model presents the entities of an organization without respect to their relationships. the logical model takes into consideration the relationships B:An enterprise data model represents the business rules of an organization the logical model describes how the data entities will be structured in enterprise database technology C:An enterprise data model demonstrates how the entities can be translated into the enterprise database. The logical model presents the business rules of an organization D:An enterprise data model represents the entities and relationships of an organization. The logical model represents a model that can be presented to a database. E:all

5.which of the following statements is MOST true? 选项： A:An enterprise data model should NOT be modified as a result of subsequent projects B:a data model is produced at the beginning of a project and is NOT subsequently changed C:since an enterprise data model is static change control procedures are NOT necessary. D:Change control is used for any modeling effort E:AIl

6.A metadata repository is essential to assure the integrity and consistent use of an enterprise data model across business processes. 选项： A: TRUE B: FALSE

7.Which part of a relational database contains the logical structure for the information? 选项： A、Data dictionary B、Relation C、Query D、SQLIn the relational database model, a data dictionary contains the logical structure for the information in a database. When you create a database, you first create its data dictionary.

8.A term is a common model used by an organization or data exchange group that standardizes the format in which data will beshared this term is called 选项： A:ESB B:Canonical data model C:Canonical data model D:EDI E:Software engineering

9.The definition of a business model is a model that describes how an enterprise ______, ________ and ______. 选项： A、creates value B、innovate value C、transmit value D、possess value

10.A database model is a type of _____that deternines the logical structure of a database and fundamentally determines in which manner data can be stored,organized,and manipulated. 选项：A、data modelB、Query languageC、SQLD、API

11.You are engaged in a consulting position to advice a company on how best to understand how its data is used in the company by its applications. As a best approach, you would recommend 选项： A:the development of an enterprise data model. B:conducting an inventory of data. C:the development of CRUD matrices for all applications. D:the development of a conceptual model. E:the development of RACI matrices for all applications

12.When reviewing a data model with management，which of the following is Not a good approach? 选项： A:Generalize the model by removing trivial entities and relationships B:Show entities,attributes，and relationships in a diagram C:use a subject area drawing D:Highlight any complex drawing by use of color or shading to emphasize the important points E:none

13.Business
model refers to how an enterprise can make money by conducting
business operations. ()

14.In history of data model development, there are four different data models named as Hierarchical model, Network model, ________________________，and Object model.

15.A term is a common model used by an organization or data exchange group that standardizes the format in which data will beshared this term is called 选项： A:ESB B:Canonical data model C:SOA D:EDI E:Software engineering

16.A term is a common model used by an organization or data exchange group that standardizes the format in which data will be shared this term is called 选项： A:SOA B:ESB C:Software engineering D:Canonical data model E:EDI

17.In the OSI reference model, the main function of the Physical Layer is ( )选项： A:Transparently transmitting bit streams; B:Access control and management of data link; C:Transferring data frames between physical entities; D:Transferring data frames between physical entities

18.CRISP-DM（Cross Industry Standard Process —Data Mining）,In addition to model evaluation and model implementation, which of the following are the basic steps of a model? 选项： A:A. Data understanding B:B. Business understanding C:C. Data preparation D:D. Modeling

19.After the feasibility analysis of the new enterprise, a business model can be developed.选项： A:正确; B:错误

20.The business model is a system composed of various interdependent activities that can create value for the stakeholders of an enterprise at the same time.

21.What are the innovation highlights of China's supply chain? 选项： A、Supply chain business model innovation has led to supply chain technology innovation. B、Enterprise hybrid supply chain organization model is emerging. C、flat supply chain organization into the mainstream of innovation. D、The new O2O supply chain model has become the focus of the industry development.

22.A data scientist wants to improve the t of a machine learning (ML) model that predicts house prices. The data scientist makes a first attempt to t the model, but the fitted model has poor accuracy on Both the training dataset and the test dataset.Which steps must the data scientist take to improve model accuracy? (Choose three.) 选项： A: Increase the amount of regularization that the model uses. B: Decrease the amount of regularization that the model uses. C: Increase the number of training examples that that model uses. D: Increase the number of test examples that the model uses. E: Increase the number of model features that the model uses. F: Decrease the number of model features that the model uses.

23.At a given price, the enterprise provides its customers with products or services that are meaningful to them, which means选项： A:Enterprise value proposition; B: Customer value proposition ; C:Customer and enterprise value transfer; D:Business model