主机的安装水平和竖直方向偏差应小于±多少度？

相关问题推荐

• What is the default export routing policy for RIP?（）

  A、Accept all local routes.

  B、Accept all RIP routes.

  C、Accept no routes.

  D、Accept all direct routes.

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• 什么原因引起激光打印机打印出的文档全篇都是黑色的？（）

  A、激光成像出错

  B、墨盒没有碳粉了

  C、转印辊没通电

  D、充电辊没通电

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• Which two can be used to create and apply an export policy that advertises static routes to RIP neighbors?（）

  A

  set protocols rip export demo

  B

  edit policy-options policy-statement demo set term 1 from protocol static set term 1 then accept

  C

  edit policy-options policy-statement demo set term 1 from protocol static accept

  D

  set protocols rip group internal export demo

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• You issue this RMAN command：   RMAN> create script Level0Backup {   backup   incremental level 0   format ‘/u01/db01/backup/%d_%_Sp’   fileperset 5   （database include current controlfile）；   sql ‘alter database archive log current’；   }  Which three statements are true about the Level0Backup script you just created？（）

  A

  The script is stored only in the control file.

  B

  The script is stored only in the recover catalog.

  C

  The script can be executed only by using the RMAN RUN command.

  D

  The commands of the script can be displayed with the LIST command.

  E

  The commands of the script can be displayed with the PRINT command.

  F

  The commands of the script can be displayed with the REPORT command.

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• 查询设计器中的“筛选”选项卡的作用是（　　）。

  A、查看生成的SQL代码

  B、指定查询条件

  C、增加或删除查询表

  D、选择所要查询的字段

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