A、Receive connector
B、Sender ID Filtering
C、Sender Filtering
D、Send connector
更多“You need to block messages from senders that do not comply sender policy framework （SPF）.What do you need to implement？（）”相关的问题
A、 You need to rebuild the kernel. B、 You need to upgrade the kernel C、 You need to load the USB modules for your existing modular kernel. D、 USB support is not available in Linux.
A、 when you need to disable the index usage B、 when you need to change storage options C、 when you need to enable index monitoring D、 when you need to move the index to another tablespace
A、A.Add more RAM. B、B.Add a second hard disk. C、C.Upgrade the video adapter. D、D.Upgrade to a faster processor.
A、A.hardware load balancing B、B.Network Load Balancing （NLB） C、C.round robin DNS D、D.Windows Failover Clustering
A、Stack<string> undoBuffer=new Stack<string>（）； B、Stack undoBuffer=new Stack（）； C、Queue
A、A. You need to mention it with every BACKUP command. B、B. The block change tracking feature is used automatically by RMAN. C、C. You need to configure it using the CONFIGURE command. D、D. You need to set the necessary initialization parameters to direct RMAN to use the feature.
A、A.SMON would automatically restore the lost file. B、B.You would need to restore the whole database from the last backup. C、C.You would need to restore the file from the last full database backup. D、D.You would need to use flashback technology to restore the lost redo log member. E、E.You would need to use Recovery Manager （RMAN） to restore the lost redo log member. F、F.You would need to restore the missing log file by copying one of the remaining files from the same group.
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