In the Oracle9i Data Guard architecture, what is the purpose of the Log Transport Services?()<img src="https://img.ppkao.com/2018-08/wangjing/2018080110314415455.jpg" /><p> In the Oracle9i Data Guard architecture, what is the purpose of the Log Transport Services?()<img src="https://img.ppkao.com/2018-08/wangjing/2018080110314415455.jpg" /></p>
A、A.A
B、B.B
C、C.C
D、D.D