單項(xiàng)選擇題

You want to create a role to meet these requirements：
1：The role is to be protected from unauthorized usage.
2：The password of the role is not to be embedded in the application source code or stored in a table.
Which method would you use to restrict enabling of such roles（）

A.Create the role with global authentication.
B.Create the role with external authentication.
C.Create the role as a secure application role.
D.Create the role as a password-protected role.
E.Create a role and use Fine-Grained Access Control （FGAC） to secure the role.

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單項(xiàng)選擇題

Examine the commands executed in the following sequence：
1：SQL> CREATE ROLE mgrrole；
2：SQL> GRANT create user，select any table，connect，resource TO mgrrole；
3：SQL> GRANT select，update ON sh.sales TO mgrrole；
4：SQL> CREATE ROLE ceo IDENTIFIED BY boss；
5：SQL> GRANT mgrrole，drop any table，create any directory TO ceo；
6：SQL> GRANT ceo TO mgrrole；
Which statement is true about the above commands（）

A.The commands execute successfully.
B.Command 6 produces an error because of circular role grant.
C.Command 5 produces an error because a role cannot be granted to another role.
D.Command 3 produces an error because the MGRROLE role already contains system privileges.
E.The table created by HR remains and HR still has the CREATE TABLE system privilege.
F.The table created by HR remains and HR can grant the CREATE TABLE system privilege to other users.

單項(xiàng)選擇題

Examine the following steps performed on a database instance：
1：The DBA grants the CREATE TABLE system privilege to the SKD user with ADMIN OPTION.
2：The SKD usercreates a table.
3：The SKD user grants theCREATETABLE system privilege to the HR user.
4：The HR user creates a table.
5：The DBA revokes the CREATE TABLE system privilege from SKD.
Which statement is true after step 5 is performed（）

A.The table created by SKD isnot accessibleand SKD cannot create new tables.
B.The tables created by SKD and HR remain， but both cannot create new tables.
C.The table created by HR remains and HR still has the CREATE TABLE system privilege.
D.The table created by HR remains and HR can grant the CREATE TABLE system privilege to other users.

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You want to create a role to meet these requirements： 1：The role is to be protected from unauthorized usage. 2：The password of the role is not to be embedded in the application source code or stored in a table. Which method would you use to restrict enabling of such roles（）

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You want to create a role to meet these requirements：
1：The role is to be protected from unauthorized usage.
2：The password of the role is not to be embedded in the application source code or stored in a table.
Which method would you use to restrict enabling of such roles（）