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单选题Which command would allow you to compare two files stored on your router?（）A user@hostfile show filename1 compare filename2B user@hostfile compare files filename1 filename2C user@hostcompare files filename1 filename2D user@hostcompare filename1 filenam

题目
单选题
Which command would allow you to compare two files stored on your router?（）
A

user@host>file show filename1 compare filename2

B

user@host>file compare files filename1 filename2

C

user@host>compare files filename1 filename2

D

user@host>compare filename1 filename2

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相似问题和答案

第1题：

以下语句可以实现将文件filename1复制为filename2的是 ______。

A．Name filename1,filename2

B．Copy filename1, filename2

C．FileCopy filename1,filename2

D．Duplicate filename1, filename2


正确答案：C
解析：文件的基本操作包括：
  ①文件删除  Kill filename
  filename指定要删除的文件的路径。使用Kill命令删除文件时需先将文件关闭。
  ②文件复制  FileCopy source,destination
  source指定要复制的文件，destination指定文件source要复制到的目标路径。
  ③文件重命名 Name oldfilename As newfilename
  oldfilename指定原文件名，newfilename指定新文件名。使用Name时必须先关闭文件oldfilename。

第2题：

Which command would allow you to compare two files stored on your router?()

A.user@host>file show filename1 compare filename2

B.user@host>file compare files filename1 filename2

C.user@host>compare files filename1 filename2

D.user@host>compare filename1 filename2


参考答案：B

第3题：

You issued the following commands to configure setting in RMAN;Then you issued the following command to take the backup:RMAN> BACKUP DATABASE PLUS ARCHIVELOG;Which statement is true about the execution of the above command?（）

A. The backup will terminate because the FORMAT clause was not configured for the channel

B. It backs up two copies of data files to tape and disk, and two copies of archived log file on tape

C. It backs up the data files and archived log files to disk, making two copies of each data file and archived log file

D. It backs up the data files and archived log files to tape, making two copies of each data file and archived log file


参考答案：D

第4题：

You want to convert your existing non-ASM files to ASM files for the database PROD.  Which method or command would you use to accomplish this task？（）  

  • A、 Data Pump Export and Import
  • B、 conventional export and import
  • C、 the CONVERT command of RMAN
  • D、 the BACKUP AS COPY. command of RMAN

正确答案:D

第5题：

Which command would allow you to compare two files stored on your router?（）

  • A、user@host>file show filename1 compare filename2
  • B、user@host>file compare files filename1 filename2
  • C、user@host>compare files filename1 filename2
  • D、user@host>compare filename1 filename2

正确答案:B

第6题：

You are asked to free up disk space so you can update your version of the Junos OS.Which two commands display the files that will be removed?()

A. user@router> request system storage cleanup

B. user@router> show system storage

C. user@router> request system storage cleanup dry-run

D. user@router> show system storage detail


参考答案：A, C

第7题：

You are asked to free up disk space so you can update your version of the Junos OS.Which two commands display the files that will be removed?（）

  • A、user@router> request system storage cleanup
  • B、user@router> show system storage
  • C、user@router> request system storage cleanup dry-run
  • D、user@router> show system storage detail

正确答案:A,C

第8题：

以下语句可以实现将文件filename1复制为filename2的是 ______。

A．Copyfilename1, filename2

B．Namefilename1, filename2

C．FileCopy filename1，filename2

D．Duplicate filename1，filename2


正确答案：C
解析：文件的基本操作包括：1)文件删除。Killfilename，filename指要删除的文件路径。使用Kill命令删除文件时需先将文件关闭。2)文件复制。FileCopysource，destination，source指定要复制的文件，destination指定文件source要复制到的目标路径。3)文件重命名。NameoldfilenameAsnewfilename,oldfilename指定原文件名，newfilename指定新文件名。使用Name时必须先关闭文件oldfilename。

第9题：

If you create your database using Oracle Managed Files （OMF）， what is true？（）

  • A、You must use Oracle predefined names to identify raw partitions that will hold OMF structures. 
  • B、You must define directories for two online redo log groups and three copies of the control file. 
  • C、If your CREATE DATABASE command fails, any OMF database files that have already been created will be dropped automatically. 
  • D、You must use only OMF data files when adding new tablespaces or data files to your database in the future.

正确答案:D

第10题：

You work as a database administrator for Certkiller .com. Your database is in the MOUNT state and you execute the following command to open it ALTER DATABASE OPEN； What two actions are performed as a result of this command？（）

  • A、All control files are opened
  • B、All redo files are opened
  • C、The password file is opened
  • D、The parameter file is opened
  • E、All online data files are opened

正确答案:B,E

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