单项选择题 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.

单项选择题 Evaluate the following block of code: What is the outcome of the above code?（）

多项选择题 USER_DATA is a nonencrypted tablespace that contains a set of tables with data. You want to convert all existing data in the USER_DATA tablespace and the new data into the encrypted format. Which methodswould you use to achieve this?（）