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多选题Which two statements are true about the Oracle Direct Network File system (DNFS)?（）AIt utilizes the OS file system cache.BA traditional NFS mount is not required when using Direct NFS.COracle Disk Manager can manage NFS on its own, without using the op

题目
多选题
Which two statements are true about the Oracle Direct Network File system (DNFS)?（）
A

It utilizes the OS file system cache.

B

A traditional NFS mount is not required when using Direct NFS.

C

Oracle Disk Manager can manage NFS on its own, without using the operating kernel NFS driver.

D

Direct NFS is available only in UNIX platforms.

E

Direct NFS can load-balance I/O traffic across multiple network adapters.

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相似问题和答案

第1题：

NFS（Network file System）网络文件系统


正确答案: 最初由SUN微系统公司定义的应用于UNIX操作系统下的远程文件访问机制。NFS容许在某台计算机上的应用访问远程计算机上的文件。

第2题：

What is the process for creating an NFS mount between two servers in the same network zone？（）

  • A、Export the desired filesystem in the /etc/nfs file， run ’exportfs -a’，create a mount directory on the desired server， and mount the NFS filesystem.
  • B、Run ’exportfs -a’，export the desired filesystem in the /etc/nfs file，create a mount directory on the desired server， and mount the NFS filesystem.
  • C、Export the desired filesystem in the /etc/exports file， run ’exportfs -a’，create a mount directory on the desired server，and mount the NFS filesystem.
  • D、Run ’exportfs -u’，export the desired filesystem in the /etc/exports file， create a mount directory on the desired server，and mount the NFS filesystem.

正确答案:C

第3题：

You plan to use the In Database Archiving feature of Oracle Database 12c, and store rows that are inactive for over three months, in Hybrid Columnar Compressed (HCC) format.Which three storage options support the use of HCC?（）

A. ASM disk groups with ASM disks consisting of Exadata Grid Disks.

B. ASM disk groups with ASM disks consisting of LUNS on any Storage Area Network array

C. ASM disk groups with ASM disks consisting of any zero padded NFS-mounted files

D. Database files stored in ZFS and accessed using conventional NFS mounts.

E. Database files stored in ZFS and accessed using the Oracle Direct NFS feature

F. Database files stored in any file system and accessed using the Oracle Direct NFS feature

G. ASM disk groups with ASM disks consisting of LUNs on Pillar Axiom Storage arrays


参考答案：A, E, G

第4题：

Which steps are mandatory to enable Direct NFS？（）   1. Mount all required file systems using the kernel NFS driver.  2. Create an oranfstab file containing the attributes for each NFS server to be accessed using Direct NFS.    3. Replace the ODM library libodm11.so_stub with libodm11.so.

  • A、 2 and 3
  • B、 1 and 3
  • C、 1 and 2
  • D、 1，2 and 3

正确答案:B

第5题：

Which two statements are true about the rescue configuration file?（）

  • A、It must include a root password
  • B、It is roll back file number 50, and you can recover it by issuing rollback 50
  • C、It is created by issuing request system configuration rescue save
  • D、It is updated automatically when you commit

正确答案:A,C

第6题：

Which two statements are true about the rescue configuration file?（）

  • A、It gets updated automatically when you commit.
  • B、You need to create it by issuing request system configuration rescue save.
  • C、It is rollback file number 50 and you can recover it by issuing rollback 50.
  • D、You can load it by entering rollback rescue.

正确答案:B,D

第7题：

The options on the NFS server using the nfso command have been adjusted.  Which of the following tasks are required in order for these changes to survive a system reboot？（）

  • A、update /etc/rc.nfs
  • B、issue the chnfs command
  • C、recycle nfsd
  • D、unmount and remount the file systems

正确答案:A

第8题：

Which two statements are true about the rescue configuration file?()

A. It must include a root password.

B. It is rollback file number 50, and you can recover it by issuing rollback 50.

C. It is created by issuing request system configuration rescue save.

D. It is updated automatically when you commit.


参考答案：A, C

第9题：

Which two statements are true about the rescue configuration file?（）

  • A、It must include a root password.
  • B、It is rollback file number 50, and you can recover it by issuing rollback 50.
  • C、It is created by issuing request system configuration rescue save.
  • D、It is updated automatically when you commit.

正确答案:A,C

第10题：

You scheduled a backup by using the Schedule Backup option in Oracle Enterprise Manager. Which statement about the script created by Oracle Enterprise Manager is true？ （）

  • A、It is a SQL script.
  • B、It is a PL/SQL file.
  • C、It is an operating system （OS） file.
  • D、It is a Recovery Manager （RMAN） script

正确答案:D

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