A user reports a corrupted boot logical volume. In order to recreate the contents of the boot logical volume which of the following procedures should the user be advised to perform?()
A. Reboot the system in normal mode.
B. Use the bosboot command to rebuild the boot image.
C. Restore the boot logical volume from a mksysb image.
D. Reboot the system into maintenance mode and run fsck on the boot logical volume.
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理财规划师关注的技巧可以用SOLER表示,其中S表示()。
A. 保持适当的距离
B. 采取一种开放的姿势
C. 向客户倾斜
D. 保持眼神的交流
在智能差压变送器中,数字信号与模拟信号的关系()。
A. 只有模拟信号
B. 数字信号叠加在4--20mADC信号上
C. 只有数字信号
D. 都不对