一位古诗人在《题昭君出塞图》中写道：“草黄沙白马如云，落日悲笳处处闻，此去妾心终许国，不劳辛苦汉三军”。从诗中可以看出作者肯定王昭君出塞是因为（）。 昭君出塞不畏艰难。 昭君出塞是为了个人幸福。 昭君出塞是为了国家利益。 昭君出塞加强了汉与匈奴的关系。
What purpose would you achieve by enabling the block change tracking feature？（） Eliminate the necessity for backups.。 Perform optimized image copy backups.。 Perform optimized incremental backups.。 Enable checkpoint （CKPT） to perform checkpointing at every block change.。 Enable database writer （DBWn） to write changed blocks to data files faster.。
Which trigger property applies to Key triggers? （） Hide Keys 。 Show Menu Keys 。 Hide Menu Keys 。 Display in 'Keyboard Help' 。 Hide Keys Description&e。
简述往复式压缩机连杆螺栓的更换条件。
A highly available WebLogic cluster in UNIX is configured for automatic server migration. Node Managed is configured on both machines to start managed servers. How should you simulate a managed server failure to test whether automatic server migration is working?（） Shut down the managed server from the WebLogic console.。 Shut down the managed server using the WLST command through Node Manager.。 Run "kill -9" once to kill the managed server process.。 Run "kill -9" to kill the managed server process, and run "kill -9" one more time if the managed server is restarting.。
Given：
What is the result？（）
