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第1题：
Which of the following commands is used to delete an empty directory?（）
第2题：
Which of the following kdb subcommands should be entered to obtain information about a serial port?（）
第3题：
Which of the following dbx commands should be used to obtain a stack trace from a coredump file?（）
第4题：
After the LED display is flashing 888 and the system is rebooted, which of the following commands should be used to gather dump information?（）
第5题：
Which of the following commands should be used to obtain information about the software packages available on the installation media？（）
第6题：
Which of the following commands should be used to show DNS information？（）
第7题：
Which of the following kdb commands is used to obtain a stack trace from a dump? （）
第8题：
Which of the following commands would be used to verify the integrity of critical system files?（）
第9题：
Which of the following commands should be used to obtain a detailed output of the system error log?（）
第10题：
Which of the following commands is used to observe the current state of the routing table？（）