单选题You work as a database administrator for Supportcenter.cn. Client connection requests are failing because the listener is not responding. You want to forward client connect requests to another listener if one listener is not responding. How do you achieve this？（）AEnable instance failoverBConfigure shared serverCEnable database failoverDEnable connect-time failoverEEnable Transparent Application Failover （TAF）
单选题
You work as a database administrator for Supportcenter.cn. Client connection requests are failing because the listener is not responding. You want to forward client connect requests to another listener if one listener is not responding. How do you achieve this？（）
A
Enable instance failover
B
Configure shared server
C
Enable database failover
D
Enable connect-time failover
E
Enable Transparent Application Failover （TAF）
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