单项选择题
A.1-c， 2-b， 3-d， 4-a
B.1-b， 2-c， 3-d， 4-a
C.1-a， 2-b， 3-c， 4-d
D.1-a， 2-b， 3-d， 4-c
单项选择题 Identify the memory component from which memory may be allocated for：（） 1. Session memory for the shared server 2. Buffers for I/O slaves 3. Oracle Database Recovery Manager （RMAN） backup and restore operations
单项选择题 Inyourdatabaseinstance，theusersessionsareconnectedtothedatabaseserverfromtheremotemachines.Youwanttoachievethefollowingfortheseusers： 1.Theuseraccountmustbelockedafterfourunsuccessfulloginattempts. 2.Theusermustbepromptedtochangethepasswordatregularintervals. 3.Theusermaynothavemorethanthreesimultaneoussessions. 4.Theusersessionmustautomaticallybeloggedoffifmorethan10minuteselapsedtimeused. Howwouldyouaccomplishtheabove（）
单项选择题 Note the following points describing various utilities in Oracle Database 1g：1. It enables the high-speed transfer of data from one database to another. 2. It provides a complete solution for the backup， restoration， and recovery needs of the entire database.3. It enables the loading of data from an external file into an Oracle database.4. It provides a tape backup management for the Oracle ecosystem. Which point describes Oracle Secure Backup（）