题目内容

You have a server that runs Windows Server 2008. You need to prevent the server from establishing communication sessions to other computers by using TCP port 25. What should you do()

A. From Windows Firewall, add an exception
B. From windows Firewall enable the block all incoming connections option
C. From the Windows Firewall with Advanced Security snap-in, create an inbound rule
D. From the Windows Firewall with Advanced Security snap-in, create an outbound rule.

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You are using an Automatic Storage Management (ASM) instance to manage the files of your production database. You have two disk groups, DG1 and DG2, with one device each. In the parameter file of the production database, the following parameters have been specified: DB_CREATE_ONLINE_LOG_DEST_1 = ’+dg1’ DB_CREATE_ONLINE_LOG_DEST_2 = ’+dg2’ What would be the impact of this setting?()

A. When a new log group is added, it would have one member in each disk group.
B. When a new log group is added, it would have two members in each disk group.
C. When a new tablespace is added, it would have one data file in each disk group.
D. When a new log file is added, it would have one member spread across the disk groups.

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放养对象的选择依据和标准是什么?

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