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Oracle 1Z0-082 Exam Syllabus Topics:

Section	Weight	Objectives
Managing Storage Structures	15%	- Managing Tablespaces and Data Files - Managing Undo Data - Managing Redo Log Files - Managing Control Files
Administering User Accounts and Security	15%	- Implementing Security Policies - Managing Privileges and Roles - Creating and Managing Users
Understanding Oracle Database Architecture	20%	- Understanding Multitenant Architecture - Understanding Memory Structures - Overview of Oracle Database Architecture - Understanding Background Processes - Explaining Storage Structures
Managing Database Instances	20%	- Managing Alert Log and Trace Files - Starting Up and Shutting Down Databases - Using Initialization Parameters - Using Data Dictionary and Dynamic Performance Views
Backup and Recovery Concepts	10%	- Understanding Backup and Recovery Architecture - Performing Complete and Incomplete Recovery - Using RMAN for Backup and Recovery
Configuring and Managing Oracle Network	10%	- Managing Network Connections - Configuring Listener and Naming Methods
Managing Data and Concurrency	10%	- Using SQL to Manage Data - Managing Locks and Concurrency - Managing Transactions

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Oracle Database Administration I 認定 1Z0-082 試験問題 (Q48-Q53):

質問 # 48
Which two statements are true about the configuration and use of UNDO_RETENTION with GURANTEED ? (Choose two.) RETENTION

A. UNDO_RETENTION specifies for how long Oracle attempts to keep expired and unexpired UNDO.
B. UNDO_RETENTION specifies for how long Oracle attempts to keep unexpired UNDO.
C. UNDO_RETENTION specifies how long all types of UNDO are retained.
D. Active UNDO is always retained.
E. Unexpired UNDO is always retained.

正解：C、E

質問 # 49
A script abc.sql must be executed to perform a job.
A database user HR, who is defined in this database, executes this command:
$ sqlplus hr/hr@orcl @abc.sql
What will happen upon execution?

A. The command succeeds and HR will be connected to the orcl and abc.sql databases
B. The command fails because the script must refer to the full path name
C. The command fails and reports an error because @ is used twice
D. The command succeeds and HR will be connected to the orcl database instance, and the abc.sql script will be executed

正解：D

質問 # 50
You execute this command:
CREATE SMALLFILE TABLESPACE sales
DATAFILE '/u01/app/oracle/sales01.dbf
SIZE 5G
SEGMENT SPACE MANAGEMENT AUTO;
Which two statements are true about the SALES tablespace? (Choose two.)

A. Any data files added to the tablespace must have a size of 5 gigabytes
B. It uses the database default blocksize
C. Free space is managed using freelists
D. It must be smaller than the smallest BIGFILE tablespace
E. It is a locally managed tablespace

正解：B、E

質問 # 51
Which three statements are true about a self join? (Choose three.)

A. It can be an outer join
B. It must be an inner join
C. The query must use two different aliases for the table
D. It must be an equijoin
E. The ON clause must be used
F. The ON clause can be used

正解：A、C、F

質問 # 52
In the spfile of a single instance database, LOCAL_LISTENER is set to LISTENER_1.
The TNSNAMES.ORA file in $ORACLE_HOME/network/admin in the database home contains:

Which statement is true?

A. There are two listeners named LISTENER and LISTENER_1 running simultaneously using port 1521 on the same host as the database instances
B. Dynamic service registration cannot be used for this database instance
C. The definition for LISTENER_1 requires a CONNECT_DATA section to enable dynamic service registration
D. LISTENER_1 must also be defined in the LISTENER.ORA file to enable dynamic service registration
E. The LREG process registers services dynamically with the LISTENER_1 listener

正解：E

解説：
The listener forwards client requests to supported services. These services are dynamically registered with the listener. This dynamic registration feature is called service registration. The registration is performed by the Listener Registration (LREG) process. Dynamic service registration does not require any manual configuration in the listener.ora file.

質問 # 53
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