A company has a high business value JAX-WS provider Web Service and cannot afford to lose any messages. What kind of quality of service should be used in conjunction with WS-ReliableMessaging？（） Managed persistent。 Managed non-persistent。 Unmanaged non-persistent。 Managed persistent and Transaction （enableTransactionalOneWay）。 Managed non-persistent and Transaction （enableTransactionalOneWay）。 Unmanaged non-persistent and Transaction （enableTransactionalOneWay）。
桑代克在迁移研究中的最大贡献是（） 发现了迁移的心理机制。 最早进行迁移实验研究。 否定了普遍迁移的说法。 用实验事实否定了形式训练说。
A system administrator has backed up the datavg volume group using the savevg command. There are several raw logical volumes and some unmounted jfs filesystems in datavg. Which of the following statements is true about this backup?（） The volume group and all logical volumes will be recreated. All raw and jfs filesystms will be backed up and restored.。 This backup will be bootable and the volume group and all jfs logical volumes will be recreated.。 This backup will not be bootable and the restorevg command is used to restore only the mounted and non-raw logical volumes. It will not recreate any logical volumes that are raw or unmounted.。 The volume group and all logical volumes information is archived and will be recreated. The raw and unmounted filesystems will not be backed up and therefore not restored.。
非法种植罂粟、大麻等毒品原植物的，一律强制铲除。有（）情形之一的，构成非法种植毒品原植物罪。 种植粟罂五百株以上不满三千株或者其他毒品原植物数量较大的。 经公安机关处理后又种植的。 抗拒铲除的。 种植罂粟一百株的。
A System p administrator has an application that has the data in volume group appvg. Which of the following commands will back up the contents of appvg to the tape in /dev/rmt0 and check for any read errors （） savevg -mf /dev/rmt0 appvg。 savevg -cvf /dev/rmt0 appvg。 savevg -vf /dev/rmt0 appvg。 savevg -f /dev/rmt0 -V appvg。
假设被评估企业所在的行业平均资金收益率为5%，净资产收益率为10%，而被评估企业预期年金收益为300万元，企业的净资产现值最可能为（）万元。
