1Z0-820 practice question 7 of 25

You are configuring NFS on a server. Select the two statements that are true.

Answer options

A: Resources listed in /etc/dfs/dfstab are automatically shared on boot up.

B: A directory cannot be shared if a subdirectory below it is already shared. Correct answer

C: Renaming a share created with the zfs set share command is not supported. Correct answer

D: NFS and SMB protocols cannot be used simultaneously to share the same directory.

Correct Answer:

B. A directory cannot be shared if a subdirectory below it is already shared.; C. Renaming a share created with the zfs set share command is not supported.

Explanation

In Oracle Solaris 11, ZFS shares are managed via ZFS properties rather than legacy configuration files. According to Oracle documentation, renaming a share created with the zfs set share command is not supported; the share must be removed and recreated with the new name. Additionally, a standard NFS restriction dictates that a directory cannot be shared if a subdirectory below it is already shared within the same file system, as this creates overlapping export paths that the NFS server cannot resolve properly.

Why Incorrect

A: The /etc/dfs/dfstab file is obsolete in Solaris 11. Shares are now managed persistently by SMF services and ZFS dataset properties. D: ZFS fully supports sharing a single dataset simultaneously using both NFS and SMB protocols by setting both sharenfs and sharesmb properties.

References

- Oracle Solaris 11.1 Administration: ZFS File Systems (Part No: E22481). Chapter 5: Managing Oracle Solaris ZFS File Systems, Section: "Sharing ZFS File Systems".

- Oracle Solaris 11 share(1M) man page.

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