（136）You issued the following command to mount the DATA disk group in restricted mode:

ALTER DISKGROUP data MOUNT RESTRICT;

What is the implication of this command?

A. The client RDBMS instance can access the file as a read-only file.

B. A new disk cannot be added to a disk group.

C. A disk in a disk group can be taken offline.

D. The client RDBMS instance cannot access the files in the disk group.

答案：（D）

解析：

RESTRICTED | NORMAL, 使用这个子句决定磁盘组被加载的方式.

RESTRICTED, 磁盘组会以单实例排它模式被mount,这样同一集群的其它ASM实例不能mount该磁盘组.

磁盘组不能被任何ASM客户端所使用

NORMAL, 磁盘组以shared模式被mount,这样其它的ASM实例和客户端可以访问该磁盘组.

ITPub博客

Oracle 11G OCP 1Z0-053 136