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Oracle 1Z1-082 Exam Overview:

Certification Vendor:	Oracle
Exam Name:	Oracle Database Administration I
Exam Number:	1Z0-082
Real Exam Qty:	72
Passing Score:	60%
Exam Price:	$245 USD
Certificate Validity Period:	Lifetime
Related Certifications:	ORACLE MASTER Silver DBA 2019 Oracle Database Administration 2019 Certified Professional
Exam Duration:	120 minutes
Exam Format:	Multiple Choice
Available Languages:	English, Chinese (Simplified), Japanese
Recommended Training:	Oracle Database Administration Workshop I
Exam Registration:	Pearson VUE Oracle University
Sample Questions:	Oracle 1Z1-082 Sample Questions
Exam Way:	Online proctored or Onsite at Pearson VUE test centers
Pre Condition:	No mandatory prerequisites; recommended basic knowledge of SQL and database concepts
Official Syllabus URL:	https://education.oracle.com/oracle-database-19c-administration/pexam_1Z0-082

>> 1Z1-082専門知識内容 <<

素晴らしい1Z1-082専門知識内容 & 合格スムーズ1Z1-082復習対策 | 有難い1Z1-082最新受験攻略 Oracle Database Administration I

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Oracle 1Z0-082の試験に合格するためには、Oracleデータベース管理の概念と実践について強い理解を持っていること、およびOracleデータベースでの実務経験を持っていることが必要です。この試験は、70問の複数選択問題から構成されており、制限時間内に解答する必要があります。Oracle Database Administration Iの認定を取得するためには、64％以上の合格点が必要です。試験に合格すると、候補者はOracle Certified Associate（OCA）として認定され、Oracleデータベース管理のキャリアを追求するために必要な基本的な知識とスキルを備えています。

Oracle Database Administration I 認定 1Z1-082 試験問題 (Q104-Q109):

質問 # 104
View the Exhibit and examine the description of the tables.
You execute this SQL statement:

Which three statements are true?

A. A customer can exist in many countries.
B. A product can have a different unit price at different times.
C. The sales table has five foreign keys.
D. The statement will fall if a row already exists in the sales table for product 23.
E. The statement will fail because a subquery may not be contained in a values clause.
F. The statement will execute successfully and a new row will be inserted into the sales table.

正解：B、C、F

質問 # 105
Which three statements are true about the tools used to configure Oracle Net Services? (Choose three.)

A. Enterprise Manager Cloud Control can be used to centrally configure listeners on any managed database server
B. The Oracle Net Configuration Assistant is only used when running the Oracle installer
C. Oracle Net Manager can be used to centrally configure listeners on any database server target
D. Enterprise Manager Cloud Control can be used to centrally configure net service names for any database server target
E. Oracle Net Manager can be used to locally configure naming methods on a database server
F. The lsnrctl utility requires a listener.ora file to exist before it is started

正解：A、D、E

解説：
https://docs.oracle.com/en/database/oracle/oracle-database/19/netag/introducing-oracle-net-services.html#GUID-6B1F0584-887D-4D2A-B982-40ACF15DF985
* Oracle Enterprise Manager Cloud Control combines configuration functionality across multiple file systems, along with listener administrative control to provide an integrated environment for configuring and managing Oracle Net Services. * Oracle Net Manager provides configuration functionality for an Oracle home on a local client or server host.

質問 # 106
Which three statements are true about advanced connection options supported by Oracle Net for connection to Oracle Database instances? (Choose three.)

A. Source Routing requires the use of a name server
B. Load Balancing requires the use of a name server
C. Connect Time Failover requires the use of Transparent Application Failover (TAF)
D. Load Balancing can balance the number of connections to dispatchers when using a Shared Server configuration
E. Connect Time Failover requires the connect string to have two or more listener addresses configured
F. Source Routing enables the use of Connection Manager (CMAN) which enables network traffic to be routed through a firewall

正解：D、E、F

解説：
https://docs.oracle.com/en/database/oracle/oracle-database/12.2/rilin/shared-server-configuration-for-an-oracle-rac-database.html#GUID-2EFBA08D-FEEE-407F-BC42-E548DA946DF9

質問 # 107
Which two statements are true about the rules of precedence for operators? (Choose two.)

A. The concatenation operator | | is always evaluated before addition and subtraction in an expression
B. Arithmetic operators with equal precedence are evaluated from left to right within an expression
C. Multiple parentheses can be used to override the default precedence of operators in an expression
D. NULLS influence the precedence of operators in an expression
E. The + binary operator has the highest precedence in an expression in a SQL statement

正解：B、C

解説：
Reference:
https://docs.oracle.com/cd/B19306_01/server.102/b14200/operators001.htm
https://docs.oracle.com/cd/A87860_01/doc/server.817/a85397/operator.htm Precedence is the order in which Oracle evaluates different operators in the same expression. When evaluating an expression containing multiple operators, Oracle evaluates operators with higher precedence before evaluating those with lower precedence. Oracle evaluates operators with equal precedence from left to right within an expression.

質問 # 108
Which two statements are true about single row functions? (Choose two.)

A. CONCAT : can be used to combine any number of values
B. MOD : returns the quotient of a division operation
C. FLOOR : returns the smallest integer greater than or equal to a specified number
D. TRUNC : can be used with NUMBER and DATE values
E. CEIL : can be used for positive and negative numbers

正解：D、E

質問 # 109
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