Examine the resources consumed by a database instance whose current Resource Manager plan is displayed.
SQL> SELECT name, active_sessions, queue_length,
consumed_cpu_time, cpu_waits, cpu_wait_time
FROM v$rsrc_consumer_group;

Which two statements are true? (Choose two.)

In the SPFILE, UNDO TABLESPACE is Set to UNDOTBS.
You rename the undotbs undo tablespace:
ALTER TABLESPACE undotbs RENAME TO undotbs_old;
Which statement is true?

You are connected to a pluggable database (PDB) as a common user with the SYSDBA privilege. The PDB is open and you issue the SHUTDOWN IMMEDIATE command.
What is the outcome?

Your Oracle 12c multitenant container database (CDB) contains multiple pluggable databases (PDBs).
In PDB HR_PDB, common user C##ADMIN and local user B_ADMIN have only the CONNECT privilege.
You create a common role C##ROLE1 with the CREATE ANY TABLE and SELECT ANY TABLE privileges.
You then execute the commands:
SQL> GRANT c##role1 TO c##admin CONTAINER=ALL>;
SQL> CONN sys/oracle@HR_PDB as sysdba
SQL> GRANT c##role1 TO b_admin CONTAINER=CURRENT;
Which three statements are true? (Choose three.)

Examine the backup requirement for your company:
1) Every Sunday, a backup of all used data file blocks is performed.
2) Every Wednesday and Friday, a backup of all the changed blocks since last Sunday's backup is
performed.
3) On all the other days, a backup of only the changed blocks since the last day's backup is performed.
Which backup strategy satisfies the requirements?