An administrator is attempting to recover a filesystem that fails to manually unmount. The fsck command produces the following output： The current volume is： /dev/fslv02 File system is currently mounted. Invalid file system size in the primary superblock. Invalid file system size in the secondary superblock. Primary superblock is corrupt. Secondary superblock is corrupt. fsck： 0507-018 Superblock is corrupt and cannot be repaired. Both primary and secondary copies are corrupt.Cannot continue tried to mount Which steps will resolve the problem？（） Reboot the server into maintenance mode and run ‘fsck’ with the ‘-p’ parameter while the filesystem is mounted.。 Reboot the server into maintenance mode and run ‘fsck’ with the ‘-y’ parameter while the filesystem is unmounted.。 Force a umount of the filesystem with ‘umount -F /dev/fslv02’， and then run ‘fsck -p /dev/fslv02’ while the filesystem is unmounted.。 Force a umount of the filesystem by varying off the hosting volume group and then varyon the volume group. This will permit ‘fsck -y’ to be run against the failing filesystem.。
观察休克病情变化最简便有效的指标是（） 生命体征。 神志。 尿量。 皮肤色泽。 中心静脉压。
You deploy a mobile messaging solution with Microsoft Exchange Server 2003 Service Pack 2. The company security policy requires complex passwords on all the Microsoft Windows Mobilebased devices. You provide a Microsoft Windows Mobile 5.0 smartphonebased device to a new user. The first time the user uses the device， the user is not prompted for a password. You need to ensure that the user is prompted for a password. What should you do？（） Instruct the user to set a PIN on the mobile device.。 Instruct the user to perform Microsoft Exchange ActiveSync synchronization Over-The-Air （OTA）.。 On the Device Security Settings tab， select the Require both numbers and letters option.。 Add the user account of the user to the Exceptions list on the Device Security Settings tab.。
相对标高的零点正确的注写方式为（）。 ±0.000。 -0.000。 +0.000。 无特殊要求。
A developer calls and reports that he accidentally dropped an important lookup table from a production database. He needs the table to be recovered. What action would you take？（） Initiate an incomplete recovery operation using RMAN.。 Copy the table from a development database.。 Advise the user to rekey the data.。 Perform a Flashback Drop operation.。 Perform a Flashback Recovery operation.。
构成挫折的因素是（）
