Which of the following tools is used to view historical information about tasks, database changes, messages, and notifications?（）

单项选择题Which of the following describes the model used by the Geodetic Extender?（）

A.Flat earth
B.3-D Square
C.Trapezoidal
D.Round earth

单项选择题Which of the following best describes the age of the data in an OLTP system?（）

A.Current
B.Projected
C.Historical
D.Current and projected

单项选择题Which of the following is the lowest cost DB2 product that can be legally installed on an AIX server?（）

A.DB2 Express Edition
B.DB2 Personal Edition
C.DB2 Workgroup Server Edition
D.DB2 Enterprise Server Edition

单项选择题Which of the following DB2 products are required on an iSeries or System i server to enable an application running on that server to retrieve data from a DB2 database on a Linux server?（）

A.DB2 for i5/OS
B.DB2 Runtime Client
C.DB2 Connect Enterprise Edition
D.DB2 for i5/OS SQL Development Kit

单项选择题Which of the following DB2 tools allows a user to execute an SQL statement and view a graphical representation of the access plan?（）

A.Task Center
B.Command Editor
C.Developer Workbench
D.Command Line Processor