Which three statements are true about Oracle Secure Backup (OSB)?

Your database has a table customer that contains the columns cust_name, amt_due, and old_status.
Examine the commands executed and their output:

Why is it that only one update is listed by the Flashback Version Query?

Your database supports an online transaction processing (OLTP) workload and it needs to be up 24 x 7.
You want to perform a complete database backup by using RMAN.
Identify the minimum requirement for accomplishing the task.

Because of logical corruption of data in a table, you want to recover the table from an RMAN backup to a specified point in time.
Examine the steps to recover this table from an RMAN backup:
1. Determine which backup contains the table that needs to be recovered.
2. Issue the recover table RMAN command with an auxiliary destination defined and the point in time specified.
3. Import the Data Pump export dump file into the auxiliary instance.
4. Create a Data Pump export dump file that contains the recovered table on a target database.
Identify the required steps in the correct order.

You create a table with the period for clause to enable the use of the Temporal Validity feature of Oracle Database 12c.
Examine the table definition:
create table employees
(empno number, salary number,
deptid number, name varchar2(100),
period for employee_time);
Which three statements are true concerning the use of the Valid Time Temporal feature for the EMPLOYEES table? (Choose three.)