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Oracle Database 12c Essentialsの試験情報

Oracle 1z0-497 試験概要:

1z0-497試験の出題範囲

Oracle 1z0-497 試験シラバストピック:

Oracle Database 12c Essentialsに関する受験前Q&A

Oracle Database 12c Essentials 認定 1z0-497 試験問題：

問題 #1

You have two database servers EMP and EXP. A user of the database from the EXP server wants to extract some information from the database in the EMP server for cross-verification. Which schema object enables the user to access the information from the remote database?

A. mapping table
B. database link
C. cluster
D. materialized view

問題 #2

Your database instance is down because there was a user-initiated shutdown. Which option represents the actions performed, in the correct order, if you start up the instance?
a - The control file is read.
b - Memory is allocated.
c - Background processes pre started.
d -The initialization parameter file is read,
e- Redo log files and data files are opened.

A. d, a, e
B. d, b, c, a, e
C. a, e, d, b
D. c, b, d, a, e
E. b, c, a

問題 #3

View the current parameter settings shown in the output below.
NAMETYPEVALUE db_file_multiblock_read_count integer 107 ddl_lock_timeout integer 60 Distributed_lock_timeout integer 60 dml_locks integer 748 lock_sga boolean FALSE enab1e_dd1_1ogging boolean FALSE resumable_timeout integer 0
A user logs in to the hrschema and issues the following commands: SQL> CREATE TABLE emp
(empno NUMBER(3),
enamo VARCHAR2(20),
sal NUMBER (8, 2));
SQL> INSERT INTO emp (empno, ename) VALUES(1, 'JAMES');
At this moment, a second user also logs in to the hrschema and issues the following command:
SQL> ALTER TABLE emp MODIFY salNUMBER(10, 2);
What happens in this scenario?

A. The second user's session immediately produces a "resource busy" error.
B. The second user's command executes successfully.
C. A deadlock is created.
D. The second user's session waits for a time before producing a "resource busy" error.

問題 #4

Which three statements are true about a database instance that has mounted a database but has not opened it?

A. Data files are open in read-only mode.
B. A control file is open.
C. An alert log and trace files are open.
D. System Global Area (SGA) is allocated and background processes are started.
E. Instance recovery is performed for the database.
F. System administrators and users with the CREATE SESSION system privilege may connect to the instance.

問題 #5

Examine the error:
GSM-45054: GSM error or NET-40006: unable to start GSH
What is the cause of this error, and what troubleshooting steps should you perform?

A. The global service may be disabled. Make sure that the pool databases are up and the service is enabled and started.
B. The GDS pool database may be down. Make sure that the GDS pool databases are up and the service is enabled and started.
C. The global service may be down. Verify that the pool databases are up and the service is started.
D. The GDS pool database's local listener may be down. Make sure that it is running.
E. The GDS catalog database of its listener may be down. Verify that the GDS catalog database and its local listener are running.

解説：