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OCP 1Z0 052 161

2014-06-22 21:09 169 查看
161. In your database instance, the user sessions are connected to the database server from the remote

machines. You want to achieve the following for these users:

1: The user account must be locked after four unsuccessful login attempts.

2: The user must be prompted to change the password at regular intervals.

3: The user may not have more than three simultaneous sessions.

4: The user session must automatically be logged off if more than 10 minutes elapsed time used.

How would you accomplish the above?

A.by assigning profiles for the users

B.by implementing Fine-Grained Auditing (FGA)

C.by granting a secure application role to the users

D.by implementing the Database Resource Manager plan

Answer: A

SQL> SELECT resource_name, resource_type, LIMIT
2    FROM dba_profiles
3   WHERE profile = 'DEFAULT';
RESOURCE_NAME                    RESOURCE_TYPE LIMIT
-------------------------------- ------------- ----------------------------------------
COMPOSITE_LIMIT                  KERNEL        UNLIMITED
SESSIONS_PER_USER                KERNEL        UNLIMITED
CPU_PER_SESSION                  KERNEL        UNLIMITED
CPU_PER_CALL                     KERNEL        UNLIMITED
LOGICAL_READS_PER_SESSION        KERNEL        UNLIMITED
LOGICAL_READS_PER_CALL           KERNEL        UNLIMITED
IDLE_TIME                        KERNEL        UNLIMITED
CONNECT_TIME                     KERNEL        UNLIMITED
PRIVATE_SGA                      KERNEL        UNLIMITED
FAILED_LOGIN_ATTEMPTS            PASSWORD      10
PASSWORD_LIFE_TIME               PASSWORD      180
PASSWORD_REUSE_TIME              PASSWORD      UNLIMITED
PASSWORD_REUSE_MAX               PASSWORD      UNLIMITED
PASSWORD_VERIFY_FUNCTION         PASSWORD      NULL
PASSWORD_LOCK_TIME               PASSWORD      1
PASSWORD_GRACE_TIME              PASSWORD      7
16 rows selected
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