多项选择题
A. Its entries are specific to a single database.
B. It contains file systems that have been mounted by Direct NFS.
C. It is globally available to all Oracle 11g databases on the machine.
D. It contains file systems that have been mounted by the kernel NFS system.
单项选择题 ENCRYPT_TSisanencryptedtablespacethatcontainstableswithdata.Whichstatementistrueregardingtheeffectofqueriesanddatamanipulationlanguage（DML）statementsontheencrypteddatainthetables？（）
单项选择题 The SQL Tuning Advisor configuration has default settings in your database instance. Which recommendation is automatically implemented after the SQL Tuning Advisor is run as part of the automatic maintenance task?（）
多项选择题 WhataretherecommendationsforOracleDatabase11ginstallationtomakeitOptimalFlexibleArchitecture（OFA）-compliant？（）