What could be the reason for this（）
A.The listener is not running on the database node.
B.The TNS_ADMIN environmental variable is set to a wrong value.
C.The orcl.oracle.com database service is not registered with the listener.
D.The DEFAULT_DOMAIN parameter is set to a wrong value in the sqlnet.ora file.
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Which naming method uses the tnsnames.ora file to store the connect descriptor used by the client
while connecting to the database instance from a remote machine（）
A.host naming method
B.local naming method
C.external naming method
D.directory naming method
A.Listeners use only the TCP/IP protocol.
B.Multiple listener processes can run simultaneously on a host.
C.Multiple database instances can be registered with a single listener.
D.The listener-related errors can be traced only at the administrative level.
E.Only one database instance can be registered with a single listener at any time.
A database user SMITH tries to query the V$SESSION view and fails to access it as follows： SQL> connect smith/smith
Connected.
SQL> SELECT * FROM v$session；
SELECT * FROM v$session *
ERROR at line 1：
ORA-00942： table or view does not exist
Which are the two possible solutions to enable SMITH to query the data in V$SESSION（）
A.granting SELECT privilege to SMITH on V$SESSION
B.granting SELECT privilege to SMITH on V_$SESSION
C.asking the user SMITH to run the catalog.sql script
D.granting SELECT privilege to SMITH on V$FIXED_TABLES
E.setting the O7_DICTIONARY_ACCESSIBILITY parameter to TRUE
F.creating a view based on V$SESSION and granting SELECT privilege to SMITH on the view that was created
Note the points about data dictionary views and dynamic performance views：
1.These are stored in the SYSTEM tablespace.
2.These are the based on the virtual tables.
3.These are owned by the SYSuser.
4.These can be queried by a normal user only if O7_DICTIONARY_ACCESSIBILTY parameter is set toTRUE.
5.V$FIXED_TABLE view can be queried to list the names of these views.
Which statements listed describe the data dictionary views（）
A.1 and 3
B.2，3，and 5
C.1，2，and 3
D.2，3，4，and 5
A.Running a query on a table returns "ORA-600： Internal Error."
B.Inserting a value in a table returns "ORA-01722： invalid number."
C.Creating a table returns "ORA-00955： name is already used by an existing object."
D.Inserting a value in a table returns "ORA-00001： unique constraint （SYS.PK_TECHP） violated."
E.Rebuilding an index using ALTER INDEX ...REBUILD fails with an error "ORA-01578： ORACLE data block corrupted （file # 14， block # 50）.
A.Running a query on a table returns "ORA-600： Internal Error."
B.Inserting a value in a table returns "ORA-01722： invalid number."
C.Creating a table returns "ORA-00955： name is already used by an existing object."
D.Inserting a value in a table returns "ORA-00001： unique constraint （SYS.PK_TECHP） violated."
E.Inserting a row in a table returns "ORA-00060： deadlock detected while waiting for resource."
You want to check the details of few errors that users have reported. You search for the alert log fileand execute few commands to find the location of the alert log file. View the Exhibit and check the commands executed.
What is the location of the alert_orcl.log file（）
A.ORACLE_HOME/dbs
B.ORACLE_HOME/rdbms
C./u01/app/oracle/admin/orcl/adump
D./u01/app/oracle/flash_recovery_area
E.ORACLE_BASE/diag/rdbms/orcl/orcl/alert
F.ORACLE_BASE/diag/rdbms/orcl/orcl/trace
You executed the following commands to find the location of the alert log file：
Where is the alert log file stored（）
A.in the BACKGROUND_DUMP_DEST location； in text format
B.in the BACKGROUND_DUMP_DEST location； in XML format
C.in the BACKGROUND_DUMP_DEST location； in both text and XML format
D.in the DIAGNOSTIC_DEST/diag/rdbms/orcl/orcl/alert directory； in text format
E.in the DIAGNOSTIC_DEST/diag/rdbms/orcl/orcl/alert directory； in XML format
F.in the DIAGNOSTIC_DEST/diag/rdbms/orcl/orcl/alert directory； in both text and XML format
You used the IMMEDIATE option to shut down your database instance. Consider the steps that
mayoccur when a database instance is started and database is opened：
1：SGA is allocated.
2：Control file is read.
3：Redo log files are opened.
4：Instance recovery is started.
5：Background processes are started.
6：Data file headers are checked for consistency.
7：Server parameter file or the initialization parameter file is read.
Which option has the correct order in which these steps occur（）
A.7，1，5，2，3，6，4
B.1，5，7，2，3，6；step 4 is not required
C.7，1，5，2，3，6；step 4 is not required
D.1，2，3，5，6，4；step 7 is not required
View the Exhibit and note the files available in the $ORACLE_HOME/dbs folder. The ASM instanceis already running. You used the following steps to start the database instance and open the database：
Which file is used to start the instance in this case（）
A.init.ora
B.spfile.ora
C.initorcl.ora
D.spfile+ASM.ora
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In a new installation of Oracle Database 11g， you perform these activities：1. Organize software and data on different subdirectories to avoid poor performance.2. Use consistent naming conventions for database files.3. Separate administrative information pertaining to the database in different directories. Which optioncorresponds to the type of activities you performed（）
Which statements are true regarding the Oracle Data Pump export and import operations（）
Which statements regarding the server parameter file （SPFILE） are true（）
User SCOTT executes the following command on the EMP table but has not issued COMMIT， ROLLBACK， orany data definition language （DDL） command：SQL> SELECT ename FROM emp WHERE job=’CLERK’ FOR UPDATE OF empno；SCOTT has opened another session to work with the database instance. Which three operations would waitwhen issued in SCOTT’s second session（）
In which situation is the UNDO_RETENTION parameter be ignored， even if it is set to a value（）
Your database instance is running with full workload after database creation. You have decided to use a fixed-size undo tablespace. You want to use the Undo Advisor to estimate the capacity of the undo tablespace.Which two factors must you consider before using the Undo Advisor to estimate the capacity of the undotablespace（）
View the Exhibit and examine the privileges granted to the SL_REP user. The EMP table is owned by theSCOTT user. The SL_REP user executes the following command：SQL> GRANT SELECT ON scott.emp TO hr；Which statement describes the outcome of the command（）
Examine the following statement that is used to modify the primary key constraint on the SALES table：SQL> ALTER TABLE SALES MODIFY CONSTRAINT pk DISABLE VALIDATE；Which three statements aretrue regarding the above command（）
Which statements are true regarding a tablespace（）
Which statements are true about logical structures of the Oracle database（）