iptrace
vmstat
hostname
ifconfig
第1题：
Which of the following commands should be used to show DNS information？（）
第2题：
Which of the following commands should be used to obtain information about the software packages available on the installation media？（）
第3题：
Which of the following commands should be used to determine DNS name resolution performance？（）
第4题：
Which of the following commands should be used to determine if a remote print queue is down?（）
第5题：
Which of the following WLM commands should be used to monitor performance on a system running wlm？（）
第6题：
Which of the following commands should be used to observe the number of system calls per second? （）
第7题：
Which of the following commands should be used to determine whether a logical volume is contiguous across a disk？（）
第8题：
Which of the following dbx commands should be used to obtain a stack trace from a coredump file?（）
第9题：
Which of the following commands should be used to monitor the number of threads on the scheduler’s run queue for any given interval？（）
第10题：
Which of the following commands should be used to delete an entry from the /etc/inittab?（）