IBM认证考试

which one of the following accurately describes field names?（）A、they must be unique in a database  B、they can only be used once in a view  C、they can only used once on each form  D、they can be used mulriple times on a form 

题目

which one of the following accurately describes field names?（）

  • A、they must be unique in a database  
  • B、they can only be used once in a view  
  • C、they can only used once on each form  
  • D、they can be used mulriple times on a form 
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相似问题和答案

第1题：

You want to perform an RMAN backup of database as a copy. Which two factors will you consider while performing the backup operation?()

A. The backup as copy can only be taken to disk

B. The backup as copy can only be taken to tape

C. Backup can be performed only when the instance is shutdown

D. Backup will constitute all used and unused blocks in the database


参考答案：A, D

第2题：

You want to perform an RMAN backup of database as a copy. Which two factors will you consider whileperforming the backup operation?() (Choose two).

A. The backup as copy can only be taken to disk

B. The backup as copy can only be taken to tape

C. Backup can be performed only when the instance is shutdown

D. Backup will constitute all used and unused blocks in the database


参考答案：A, D

第3题：

●Which one of these statements about connecting to the Internet is true? (68) .

(68) A．The Internet can only be used to link computers with same operating system

B．The Internet can be used to connect computers with different ISP

C．You must have a telephone line to connect to the Internet

D．You must have a modem to connect to the Internet


正确答案：B
【解析】译文：下列关于连接到Internet的说法中，哪一个是正确的？
B选项的译文是：Internet能够连接使用不同ISP(Internet服务提供商)的计算机，因此B是正确的。

第4题：

What is the use of an "all configuration" backup in Cisco UCS？（）

  • A、 Can be used to migrate from a 6120 to a 6140 and retain the same service profiles
  • B、 Can only be used on the fabric interconnect on which it was created
  • C、 Can be used to migrate from a 6120 to 6140 and retain system IP addresses and cluster information
  • D、 Can be used to match firmware versions between 6120 and 6140 during a migration

正确答案:A

第5题：

Which of the following constraint types can be used to ensure the value of an INTEGER column references only positive values?()

A.Unique

B.Check

C.Referential

D.Informational


参考答案：B

第6题：

Which two statements are true about the Automatic Diagnostic Repository (ADR)?() (Choose two.)

A. The ADR base keeps all diagnostic information in binary format

B. SQL*Plus provides the ADRI script, which can be used to work with ADR

C. The ADR can be used for problem diagnosis only when the database is open

D. The ADR can be disabled by settting the DIAGNOSTIC_DEST parameter to null

E. The ADR can be used for problem diagnosis even when the database instance is down

F. The ADR base is shared across multiple instances


参考答案：E, F

第7题：

A user copied files from a CD and now the files can only be opened as read－only. Which of the following utilities can be used to allow the user the ability to edit the files?()

A.EDIT

B.CHMOD

C.ATTRIB

D.CONVERT


参考答案：C

第8题：

Which one of these statements about connecting to the Internet is true?(68).

A．The Internet can only be used to link computers with same operating system

B．The Internet can be used to connect computers with different ISP

C．You must have a telephone line to connect to the Internet

D．You must have a modem to connect to the Internet


正确答案：B
解析：译文：下列关于连接到Internet的说法中，哪一个是正确的?B选项的译文是：Internet能够连接使用不同ISP(Internet服务提供商)的计算机，因此B是正确的。

第9题：

Which of the following constraint types can be used to ensure the value of an INTEGER column references only positive values?（）

  • A、Unique
  • B、Check
  • C、Referential
  • D、Informational

正确答案:B

第10题：

Which of the following statements about a Sales Catalog is TRUE？（）

  • A、A store can only have one sales catalog.
  • B、A sales catalog is used to bundle similar products.
  • C、A sales catalog may be used to place a product in more than one category.
  • D、Every store must have a sales catalog.

正确答案:C

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