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多选题Which two statements are correct about database transportation? （）AThe source and target platforms must be the sameBRedo logs, control files and temp files are also transportedCThe transported database must have the same database identifier (DBID) as t

题目
多选题
Which two statements are correct about database transportation? （）
A

The source and target platforms must be the same

B

Redo logs, control files and temp files are also transported

C

The transported database must have the same database identifier (DBID) as the source database and cannot be changed

D

The COMPATIBLE parameter must be set to 10.0.0.0 or higher and the database must be opened in readonly mode before being transported

E

Recovery Manager (RMAN) is used to convert the necessary data files of the database if the target platform is different and has different endian format

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相似问题和答案

第1题：

Which of the following statements about ORACLE is (are) correct?

Ⅰ.ORACLE follows SQL standard

Ⅱ.ORACLE database defines two logical types: table and view

A．Ⅰonly

B．Ⅱ only

C．Ⅰ and Ⅱ

D．none of the above


正确答案：C

第2题：

You want to flash back a test database by five hours.You issue this command:SQL > FLASHBACK DATABASE TO TIMESTAMP (SYSDATE － 5／24);Which two statements are true about this flashback scenario?()

A. The database must have multiplexed redo logs for the flashback to succeed.

B. The database must be MOUNTED for the flashback to succeed.

C. The database must use block change tracking for the flashback to succeed.

D. The database must be opened in restricted mode for the flashback to succeed.

E. The database must be opened with the RESETLOGS option after the flashback is complete.

F. The database must be opened in read-only mode to check if the database has been flashed back to the correct SCN.


参考答案：E, F

第3题：

●Which of the following statements about object oriented database is not correct? (72) ．

(72) A．Each object has a unique object identify in the system

B．Encapsulation and inheritance are two important features of object oriented database

C．A subclass can inherit the attributes and methods of all its superclasses

D．A supereloss includes the attributes and methods at all subclasses


正确答案：B
【解析】译文：下列关于面向对象数据库的描述中，哪一个是错误的？
B.封装和继承是面向对象数据库的两个重要特征。

第4题：

Which two statements are true about the RMAN validate database command?（）

  • A、It checks the database for intrablock corruptions.
  • B、It can detect corrupt pfiles.
  • C、It can detect corrupt spfiles.
  • D、It checks the database for interblock corruptions.
  • E、It can detect corrupt block change tracking files.

正确答案:A,C

第5题：

Which three statements are correct about Rate Limiters? ()(Choose three.)

A. one-rate rate limiters

B. two-rate rate limiters

C. two-rate rate limiters is the default

D. one-rate rate limiters is the default

E. there is no default it must be configured


参考答案：A, B, C

第6题：

Which two statements are correct about database transportation?() (Choose two.)

A. The source and target platforms must be the same

B. Redo logs, control files and temp files are also transported

C. The transported database must have the same database identifier (DBID) as the source database and cannot be changed

D. The COMPATIBLE parameter must be set to 10.0.0.0 or higher and the database must be opened in readonly mode before being transported

E. Recovery Manager (RMAN) is used to convert the necessary data files of the database if the target platform is different and has different endian format


参考答案：D, E

第7题：

Which two statements are true about the RMAN validate database command?()

A. It checks the database for intrablock corruptions.

B. It can detect corrupt pfiles.

C. It can detect corrupt spfiles.

D. It checks the database for interblock corruptions.

E. It can detect corrupt block change tracking files.


参考答案：A, C

第8题：

Which of the following statements about object oriented databse is not correct?

A． Each object has a unique object identity in the system.

B．Encapsulation and inheritance are two important features of object oriented databasE.

C．A subclass can inherit the attributes and methods of all its superclasses.

D．A subclass includes the attributes and methods of all its subclasses.


正确答案：D

第9题：

Which two statements are correct regarding IS-IS?（）

  • A、Routers maintain a single link-state database per area.
  • B、Routers maintain a separate Level 1 link-state database.
  • C、Routers maintain a separate Level 2 link-state database.
  • D、Routers maintain a single Level 1 link-state database across multiple areas.

正确答案:B,C

第10题：

Which two statements are correct about database transportation？（） 

  • A、 The source and target platforms must be the same
  • B、 Redo logs，control files and temp files are also transported
  • C、 The transported database must have the same database identifier （DBID） as the source database and cannot be changed
  • D、 The COMPATIBLE parameter must be set to 10.0.0.0 or higher and the database must be opened in readonly mode before being transported
  • E、 Recovery Manager （RMAN） is used to convert the necessary data files of the database if the target platform is different and has different endian format

正确答案:D,E

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