lights on and doors open什么意思
第1题:
第2题:
Giventhefollowingoutput,recommendcorrectiveactionthatshouldbeundertakentoincreaseprotection()#Isvg-Irootvgrootvg:LVNAMETYPELPsPPsPVsLVSTATEMOUNTPOINThd5boot122closed/syncdN/Ahd6paging16322open/syncdN/Ahd8jfslog122open/syncdN/Ahd4jfs242open/syncd/hd2jfs531062open/syncd/usrhd9varjfs16322open/syncd/varhd3jfs482open/syncd/tmphdljfs122open/syncd/homehdlOoptjfs242open/syncd/optloglvOOjfs2log111open/syncdN/AfslvOOjfs2’242open/syncd/datafs
第3题:
慕课的第二个字母O对应的单词是open。对于2013年之前的慕课来说,下列说法正确的是:
A.open=免费课程。
B.open=免费学习。
C.open=谁都可以学习慕课。
D.open=免费注册。
E.open=使用免费的开放资源作为教材。
F.open=免费证书。
G.open=谁都可以开设慕课。
第4题:
You are investigating the performance of the server and see the following information: Events_waits_summary_global_by_event_name in the performance schema shows that the wait/synch/mutex/sql/LOCK_table_cache event is dominating other wait events. The table_open_cache_overflows status variable is 0.Which action should be taken to remove the performance bottleneck described here?()
A.Increase the value of table_definition_cache
B.Increase the value of table_open_cache_instances
C.Decrease the value of table_open_cache_instances
D.Increase the value of table_open_cache
E.Decrease the value of table_definition_cache
F.Decrease the value of table_open_cache
第5题:
Upon completion of fueling a gasoline driven vessel it is necessary to ______.
A.keep ports,doors,windows,and hatches closed
B.start engines immediately
C.ventilate before starting engine
D.None of the above
第6题:
慕课的第二个字母O对应的单词是open。对于2013年之前的慕课来说,下列说法正确的是:
A.Open = 免费课程。
B.Open = 免费学习。
C.Open = 免费注册。
D.Open =谁都可以学习慕课。
E.Open = 免费证书。
F.Open = 使用免费的开放资源作为教材。
G.Open = 谁都可以开设慕课。