A 1500 page print job was sent to the "pel" queue. The job was running for several minutes before it was determined that the job was not needed. Which of the following options will delete the job（） Ipstat Queue Dev Status Job Files User PP % Hks Cp Rnk pd pel RUNNING 201 STDIN.27648 root 750 10 1000 1 1 kill 201。 cancel 201。 disable pel。 Ip-d/var/spool/lpd/STDIN.27648。
全球第一个官方正式发表的关于电子商务立法的文件是（） 电子商务示范法。 全球电子商务纲要。 电子交易法。 电子商务基本法。
Which of the following commands should be used to reset the Virtual Memory Manager tuning parameters to their default values？（） schedtune -t。 vmtune -R。 schedtune -r。 schedtune -D。
Which command will show the network configuration settings associated with an Ethernet adapter？（） lscfg。 lsdev。 netstat。 ifconfig。
一般说来，水溶性小、稳定性强的农药更容易在生物体内富集，代谢能力弱、脂肪含量高的生物体内易于富集农药。
User SCOTT wants to back out the transactions on the REGIONS table in his schema. As a DBA， which commands must you execute to enable SCOTT to flash back the transactions？（）
