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Which line will cause an error (Choose the best answer) A Line 1, because only users, not roles, have passwords B Line 2, because only users, not roles, can create and own tables C Line 3, because SELECT TABLE is not a privilege D Line 4, because a role cannot have a system privilege in addition to table privileges 8 Which of these statements is incorrect regarding roles (Choose the best answer) A You can grant object privileges and system privileges and roles to a role B A role cannot have the same name as a table C A role cannot have the same name as a user D Roles can be enabled or disabled within a session 9 You have created a profile with LIMIT SESSIONS_PER_USER 1 and granted it to a user, but you find that they are still able to log on several times concurrently Why could this be (Choose the best answer) A The user has been granted CREATE SESSION more than once B The user has been granted the DBA role C The RESOURCE_LIMIT parameter has not been set D The RESOURCE_MANAGER_PLAN parameter has not been set 10 Which of these can be controlled by a password profile (Choose all correct answers) A Two or more users choosing the same password B Preventing the reuse of a password by the same user C Forcing a user to change password D Enabling or disabling password file authentication

11 Under what circumstances should you set the REMOTE_LOGIN_PASSWORDFILE instance parameter to EXCLUSIVE (Choose two correct answers) A You need a SYSDBA connection when you are logged on to a machine other than the server B You want to disable operating system authentication C You want to add users to the password file D You want to prevent other users from being added to the password file 12 If you execute this command as user SYSTEM, it will fail Why (Choose the best answer)

alter system set audit_sys_operations=false;

Align right Align center Align left Indent entire left margin Indent first line only Add space above paragraph Automatically hyphenate words across lines

A The parameter can only be changed by the SYS user B The parameter can only be adjusted in NOMOUNT or MOUNT mode, and SYSTEM can only connect when the database is OPEN C The principle of separation of duties means that only the system administrator, not the database administrator, can change this parameter D The parameter is a static parameter 13 What conditions must hold before a database session can create a file stored by the operating system of the server (Choose three correct answers) A The session must be connected to a database account with execute permission on the package UTL_FILE B The session must be connected to a database account with execute permission on the package DBMS_OUTPUT C The parameter UTL_FILE_DIR must have been set D The parameter DB_WRITER_PROCESSES must be set to greater than zero E The parameter DB_CREATE_FILE_DEST must be set F The operating system account under which the Oracle instance is running must have write permission on the directory that will store the file 14 If you want a block of PL/SQL code to run whenever certain data is accessed with a SELECT statement, what auditing technique could you use (Choose the best answer) A Database auditing B Fine-grained auditing C Database triggers D You cannot do this 15 What is necessary to audit actions done by a user connected with the SYSDBA privilege (Choose the best answer) A Set the AUDIT_SYS_OPERATIONS instance parameter to TRUE B Use database auditing to audit use of the SYSDBA privilege

Note also that you can specify the path name for a datafile instead of the datafile number, as in this example:

Put the cursor between the two letters to affect and press ALT-RIGHT ARROW (Windows) or OPTIONRIGHT ARROW (Mac) Highlight the text and press ALT-LEFT ARROW (Windows) or OPTION-LEFT ARROW (Mac) Select specific lines to affect and press ALT-DOWN ARROW (Windows) or OPTION-DOWN ARROW (Mac) Highlight the text and press SHIFT-ALT-UP ARROW (Windows) or OPTIONALT-UP ARROW (Mac)

(datafile '/u01/oradata/users02dbf' channel dc2)

To automate this process further, you can use the CONFIGURE command to increase the parallelism for each device type Here is the default RMAN configuration for disk device channels:

TIP It is generally said that the number of channels should not exceed the number of devices However, experience on some hardware shows that allocating several channels per device may speed up RMAN operations Experiment, and find out what works best for your environment