Which files are required for a full recovery of the database in ARCHIVELOG mode？（） Database datafiles。 Online redo logs。 Archived redo logs。 Backup control file。 Control file from a backu。
如果管道运行压力大于（），取塞堵时开孔机上应安装助力器。 A、2.5MPa 。 B、3MPa 。 C、4MPa 。 D、2MPa。
User2 is complaining that he is unable to list the contents of a directory. What is the most likely cause?（） User2 needs write permission to the directory.。 User2 needs both read and write permissions to the directory.。 User2 needs both read and execute permissions to the directory.。 User2 needs both write and execute permissions to the directory.。
A customer wants to consolidate storage from four IBM System p servers and one large IBM System i server. The customer does not have a SAN installed. The customer will require approximately 4 TB for System p and 3 TB for System i. The customer states that performance and isolation of the System i system is most important. Capacity， multi-path access， and replication functions are important for the System p servers. Which solution best satisfies the customer requirements（） IBM System Storage DS8100 with 300 GB drives for the System p， 73 GB/15k drives for System i， and advanced functions for System p capacity。 IBM System Storage DS8300 with LPAR， 73 GB/15k drives for System i， and 300 GB drives and advanced functions for System p capacity。 IBM System Storage DS6800 with direct attach， 73 GB/15k drives for System i performance， and 300 GB drives and advanced functions for System p。 IBM System Storage DS6800 with LPAR， 146 GB/15k drives for System i， 500 GB FATA drives for System&e。
简述影响未来城市发展的因素有哪些？
he system administrator is making system wide changes to a server， which will add to the PATH variable for the server environment.
Where is the PATH variable found for the system？（）
