1、Which of the following levels is not defined by American National Standards Institute Standards Planning and Requirements Committee (ANSI/SPARC) as the levels of DBMS architecture
A.Internal Level
B.Conceptual Level
C.System Level
D.External Level
2、In DBMS which of the following categories is not defined as end users
A.System Users
B.Normal Users
C.Database Administrators
D.DBA
3、Select the False statement about Database Architecture Conceptual Level
A.The conceptual level defines the physical view of the data
B.The data model is defined on this level
C.The main functions of the DBMS, such as queries, are on this level.
D.The conceptual level is an intermediary and frees users from dealing
4、Select the False statement about Database Model
A.In the history of database design, three models have been in use
B.It describes the relationships between different parts of the data.
C.It defines the Physical Design of data.
D.Hierarchical model is one of the Database Model
5、Select all that is true about database management system (DBMS)
A.Defines Data
B.Creates Data
C.Maintains Database.
D.Destroy Database
6、In DBMS we divide end users into which of the following categories?
A.Database Administrators
B.Normal Users
C.System Users
D.Database Users
7、Select all that is True about Database Architecture External Level
A.The external level interacts directly with the user
B.The external level interacts directly with the database
C.It changes the data coming from the Internal level to a format and view that is familiar to the user.
D.It changes the data coming
8、Data storage traditionally used individual, related files, sometimes called flat files.
A.正确
B.错误
9、If an organization decides to use a DBMS，then all the information needed by the organization should be kept as different entities, to be accessible by the software in the DBMS.
A.正确
B.错误
10、In the hierarchical model, data is organized as an inverted tree. Each entity can have many parent but cannot have several children.
A.正确
B.错误
