施工进度计划进行偏差纠正，分析不正确的有（）。 若出现偏差的工作为关键工作，则无论偏差大小，都对后续工作及总工期产生影响。 若出现偏差的工作不为关键工作则不对后续工作及总工期产生影响。 若工作的进度偏差小于或等于该工作的总时差，说明此偏差对后续工作和总工期无影响。 若工作的进度偏差大于该工作的总时差，说明此偏差必将影响后续工作和总工期。 若工作的进度偏差小于或等于该工作的自由时差时，原进度计划可以不作调整。
An administrator has a server that must be upgraded from AIX 5.2 to AIX 5.3. The administrator also needs to use the 64-bit kernel with JFS2 filesystems in rootvg. All critical data resides in a non-rootvg volume group. Which of the following types of install could the administrator use to accomplish this？（） Migration Installation。 Update_All Installation。 Preservation Installation。 New and Complete Overwrite Installatio。
You performed an incomplete recovery on your Oracle Database 10g database using the following command： SQL> RECOVER DATABASE 2 UNTIL TIME ’20040805：12：10：03’ 3 USING BACKUP CONTROLFILE; In which situation would the above recovery be required？（） A user table was lost at the specified time.。 A redo log file was lost at the specified time.。 The backup control file is on a faster disk than the current one.。 The current control file has a different path compared with the intended time of recovery.。 The current control file does not match the physical structure of the database at the intended time of recovery.。
An administrator runs mktcpip aixhost 172.168.0.50 enO to change the network address， but the command hangs for an extended period of time. Which of the following is the most likely cause of the problem（） entO is in a defined state。 enO is currently active。 There is no physical network adapter on the system。 The address 172.168.0.50 is in use by another system。
按封堵头可承受的压力分类，封堵方法分为（）封堵。 低压、中压和高压。 低压、中高压和超高压。 低中压、高压和超高压。 低压、中压、高压和超高压。
Which type of backup must be performed first with an incremental backup？（）
