飞行员执照考试

PDB位于飞机的什么部位？A、驾驶舱B、尾舱C、左电子设备架D、右电子设备架

题目

PDB位于飞机的什么部位？

  • A、驾驶舱
  • B、尾舱
  • C、左电子设备架
  • D、右电子设备架
参考答案和解析
正确答案:D
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相似问题和答案

第1题：

Which two statements are true concerning the Resource Manager plans for individual pluggabledatabases (PDB plans) in a multitenant container database (CDB)?()

A. If no PDB plan is enabled for a pluggable database, then all sessions for that PDB are treated to an equal degree of the resource share of that pdb.

B. In a PDB plan, subplans may be used with up to eight consumer groups.

C. If a PDB plan is enabled for a pluggable database, then resources are allocated to consumer groups across all PDBs in the cdb.

D. If no PDB plan is enabled for a pluggable database, then the PDB share in the CDB plan is dynamically calculated.

E. If a PDB plan is enabled for a pluggable database, then resources are allocated to consumer groups based on the shares provided to the PDB in the CDB plan and the shares provided to the consumer groups in the PDB plan.


参考答案：A, B, C, D, E

第2题：

Your multitenant container database, CDB1, is running in ARCHIVELOG mode and has two pluggable databases, HR_PDB and ACCOUNTS_PDB. An RMAN backup exists for the database.You issue the command to open ACCOUNTS_PDB and find that the USERDATA.DBF data file for the default permanent tablespace USERDATA belonging to ACCOUNTS_PDB is corrupted.What should you do before executing the commands to restore and recover the data file in ACCOUNTS_PDB?（）

A. Place CDB1 in the mount stage and then the USERDATA tablespace offline in ACCOUNTS_PDb.

B. Place CDB1 in the mount stage and issue the ALTER PLUGGABLE DATABASE accounts_pdb CLOSE IMMEDIATE command.

C. Issue the ALTER PLUGGABLE DATABASE accounts_pdb RESTRICTED command.

D. Take the USERDATA tablespace offline in ACCOUNTS_PDb.


参考答案：D

第3题：

DA40D飞机的ELT系统安装在飞机的什么部位?()

A.飞机的尾部

B.飞机的后排座椅下面

C.飞机的前排座椅下面

D.飞机的前面


参考答案：A

第4题：

肾位于人体的什么部位？肾有什么功能？


正确答案: 位置：位于后腰两侧，左右各一个，俗称“腰子”，形如蚕豆。
功能：肾是制造尿液的“工厂”，人体内的代谢产物和有害物质通过尿液排出体外。

第5题：

CJ1-525型飞机装有机身观察灯，它位于什么位置？


正确答案:CJ1-525型飞机装有机身观察灯，它位于机身左侧。

第6题：

Which statement is true concerning dropping a pluggable database (PDB)?()

A. The PDB must be open in read-only mode.

B. The PDB must be in mount state.

C. The PDB must be unplugged.

D. The PDB data files are always removed from disk.

E. A dropped PDB can never be plugged back into a multitenant container database (CDB).


参考答案：B

第7题：

民航飞机的燃油箱一般位于机翼内，在飞机火灾中，机翼是重点保护的部位。


正确答案:正确

第8题：

Your multitenant container database has three pluggable databases (PDBs): PDB1, PDB2, and PDB3.Which two RMAN commands may be; used to back up only the PDB1 pluggable database?()

A. BACKUP PLUGGABLE DATABASE PDB1 while connected to the root container

B. BACKUP PLUGGABLE DATABASE PDB1 while connected to the PDB1 container

C. BACKUP DATABASE while connected to the PDB1 container

D. BACKUP DATABASE while connected to the boot container

E. BACKUP PLUGGABLE database PDB1 while connected to PDB2


参考答案：A, C

第9题：

在进行后重心载重与平衡检查时，位于什么位置的有用装载项目应采用最小重量？（）

  • A、位于重心后限之前。
  • B、位于重心后限之后。
  • C、位于飞机重心之前。
  • D、位于飞机重心之后。

正确答案:A

第10题：

基准是进行飞机各部位平衡力臂测量的共同参考标准，其具体所在位置在载平手册中可以查得，也就是（）。

  • A、位于飞机机体轴的交点附近
  • B、位于空机的重心附近
  • C、一个方便计算分析的点，但可能并不真实位于飞机机身上

正确答案:C

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