单选题What does the Fast Connection Failover feature of Active GridLink for RAC provide?（）Ainstant notification of a RAC node failure so applications never have to retry a transaction that was sent to a node that failed during the transactionBnear-instant notification of the failure of a RAC node failure that minimizes the possibility connection to a failed node being provided to an applicationCapplication level notification of a failed RAC node such that an application can retry a transaction if requiredDfaster failover for Multi DatasourcesEguaranteed transaction high availability when interacting with an Oracle RAC Database
单选题
What does the Fast Connection Failover feature of Active GridLink for RAC provide?（）
A
instant notification of a RAC node failure so applications never have to retry a transaction that was sent to a node that failed during the transaction
B
near-instant notification of the failure of a RAC node failure that minimizes the possibility connection to a failed node being provided to an application
C
application level notification of a failed RAC node such that an application can retry a transaction if required
D
faster failover for Multi Datasources
E
guaranteed transaction high availability when interacting with an Oracle RAC Database
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