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單項(xiàng)選擇題

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

A.Journal
B.Task Center
C.Control Center
D.Activity Monitor

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單項(xiàng)選擇題

Which of the following describes the model used by the Geodetic Extender?（）

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

單項(xiàng)選擇題

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