【CUUG 内部资料】OCP-12C-1Z0-062题库解析-第3次课
序：2018年的时候，OCP 11g 考试题库大更新，052 053出现了很多新题，2019年，11g 即将停考的前期，Oracle 又出现了一次大变动，12c 出现了很多新题，比如062 063题库大更新 QUESTION 31
Which two are true concerning a multitenant container database with three pluggable database? A. All administration tasks must be done to a specific pluggable database. B. The pluggable databases increase patching time. C. The pluggable databases reduce administration effort. D. The pluggable databases are patched together . E. Pluggable databases are only used for database consolidation. Correct Answer: CE
QUESTION 32
Examine the current value for the following parameters in your database instance:
SGA_MAX_SIZE = 1024M SGA_TARGET = 700M DB_8K_CACHE_SIZE = 124M LOG_BUFFER = 200M You issue the following command to increase the value of DB_8K_CACHE_SIZE:
SQL> ALTER SYSTEM SET DB_8K_CACHE_SIZE=140M; Which statement is true? A. It fails because the DB_8K_CACHE_SIZE parameter cannot be changed dynamically. B. It succeeds only if memory is available from the autotuned components if SGA. C. It fails because an increase in DB_8K_CACHE_SIZE cannot be accommodated within SGA_TARGET .
D. It fails because an increase in DB_8K_CACHE_SIZE cannot be accommodated within
SGA_MAX_SIZE. Correct Answer: B QUESTION 33
Which three statements are true concerning unplugging a pluggable database (PDB)? A. The PDB must be open in read only mode. B. The PDB must be closed.
C. The unplugged PDB becomes a non-CDB.
D. The unplugged PDB can be plugged into the same multitenant container database (CDB)
E. The unplugged PDB can be plugged into another CDB.防水按键
F. The PDB data files are automatically removed from disk. Correct Answer: BDE
C U U G C U U G C U U G 内部考试资料 内部考试资料 O C P 讨论：1015267481C U U G C U U G C U U G 内部考试资料 内部考试资料 严禁外
传O C P 讨论
：1015267481
QUESTION 34
Examine the following command:
CREATE TABLE (prod_id number(4),恒温室
Prod_name varchar2 (20), Category_id number(30), Quantity_on_hand number (3) INVISIBLE); Which three statements are true about using an invisible column in t he PRODUCTS table?
A. The %ROWTYPE attribute declarations in PL/SQL to access a row will not display the invisible column in the output.
B. The DESCRIBE commands in SQL *Plus will not display the invisible column in t he output.
C. Referential integrity constraint cannot be set on t he invisible column.
D. The invisible column cannot be made visible and can only be marked as unused.
E. A primary key constraint can be added on t he invisible column. Correct Answer: ABE (解析：一般来说，看不见列帮助迁移和发展在线应用程序。一个用例可能是一个应用程序，该应用程序可以查询一个三列的表 SELECT *声明。第四列添加到表会破坏应用程序，预计三列的数据。添加第四个无形的列使应用程序正常运转。开发人员可以改变应用程序来处理第四列，并使列可见当应用程序上线。） QUESTION 35 You wish to enable an audit policy for all database users, except SYS, SYSTEM, and SCOTT. You issue the following statements: SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SYS; SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SYSTEM; SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SCOTT;
For which database users is the audit policy now active?
A. All users except SYS
B. All users except SCOTT
C. All users except sys and SCOTT
D. All users except sys, system, and SCOTT
Correct Answer: B
QUESTION 36
On your Oracle 12c database, you invoked SQL *Loader to load data into the EMPLOYEES
C U U G C U U G C U U G 内部考试资料 内部考试资料 O C P 讨论：1015267481C U U G C U U G C U U G 内部考试资料 内部考试资料 严禁外传O C P 讨论：1015267481
table in t he HR schema by issuing the following command: $> sqlldr hr/hr@pdb table=employees
Which two statements are true regarding the command?
A. It succeeds with default settings if the EMPLOYEES table belonging to HR is already defined in t he database.
B. It fails because no SQL *Loader data file location is specified.
C. It fails if t he HR user does not have the CREATE ANY DIRECTORY privilege.
D. It fails because no SQL *Loader control file location is specified. Correct Answer: AC Section: (none)
Explanation ：sqlldr hr/hr table=employees 能够执行，会默认employees.dat 文件，然后临时创建一个directory ，如果没有权限，会报如下错误： SQL*Loader-816: error creating temporary directory object SYS_SQLLDR_XT_TMPDIR_00000 for file employees.dat QUESTION 37
After implementing full Oracle Data Redaction, you change the default value for the NUMBER data type as follows: After changing the value, you notice that FULL redaction continues to redact numeric data with zero. （您注意到 FULL 编校继续以零编校数值数据）也就是上面的修 改还没有生效，该命令是把 number 的数据类型编辑以后默认值为－1）。 What must you do to activate the new default value for numeric full redaction? A. Re-enable redaction policies that use FULL data redaction. B. Re-create redaction policies that use FULL data redaction. C. Re-connect the sessions that access objects with redaction policies defined on them. D. Flush t he shared pool.
E. Restart the database instance.
Correct Answer: E
Section: (none) Explanation ： （解析：这道题题目比较难理解，甲骨文在 Oracle 数据库 12c 中加入了数据校订作为一个新的安全特性。Oracle Data Redaction （Oracle 数据校订）提供了一个有效且易于实现的方法来屏蔽敏感信息。该工具能够实时地从数据校订得出的查询结果会返回到它们原来的应 用程序。
DBMS_REDACT.UPDA TE_FULL_REDACTION_VALUES — 更改完全编辑的默认返回值。必须重启数据库才能生效。）
C U U G C U U G C U U G 内部考试资料 内部考试资料 O C P 讨论：1015267481C U U G C U U G C U U G 内部考试资料 内部考试资料 严禁外传O C P 讨论：1015267481
QUESTION 38
You must track all transactions that modify certain tables in t he sales schema for at least three years.
Automatic undo management is enabled for the database with a retention of one day. Which two must you do to track the transactions?
A. Enable supplemental logging for the database.
B. Specify undo retention guarantee for t he database.
C. Create a Flashback Data Archive in t he tablespace where the tables are stored.
D. Create a Flashback Data Archive in any suitable tablespace.
E. Enable Flashback Data Archiving for the tables that require tracking.
Correct Answer: DE
QUESTION 39 Your are the DBA supporting an Oracle 11g Release 2 database and wish to move a table containing several DATE, CHAR, VARCHAR2, and NUMBER data types, and the table's indexes, to another tablespace.
The table does not have a primary key and is used by an OLTP application. Which technique will
move the table and indexes while maintaining the highest level of availability to the application? A. Oracle Data Pump. B. An ALTER TABLE MOVE to move the table and ALTER INDEX REBUILD to
move the indexes. C. An ALTER TABLE MOVE to move the table and ALTER INDEX REBUILD ONLINE to move the indexes. D. Online Table Redefinition. E. Edition-Based Table Redefinition. Correct Answer: D
锐射QUESTION 40 To implement Automatic Management (AMM), you set t he following parameters:
When you try to start the database instance with these parameter settings, you receive
the following error message: SQL > startup
ORA-00824: cannot set SGA_TARGET or MEMORY_TARGET due to existing internal settings, see alert log for more information. Identify the reason t he instance failed to start.
A . The PGA_AGGREGATE_TARGET parameter is set to zero.
C U U G C U U G C U U G 内部考试资料 内部考试资料 O C P 讨论：1015267481C U U G C U U G C U U G 内部考试资料
内部考试资料 严禁外传O C P 讨论：1015267481
B. The STATISTICS_LEVEL parameter is set to BASI
C.
C. Both t he SGA_TARGET and MEMORY_TARGET parameters are set.
D. The SGA_MAX_SIZE and SGA_TARGET parameter values are not equal. Correct Answer: B
QUESTION 41
What are two benefits of installing Grid Infrastructure software for a stand-alone server before
installing and creating an Oracle database? A. Effectively implements role separation B. Enables you to take advantage of Oracle Managed Files.
C. Automatically registers t he database with Oracle Restart.
D. Helps you to easily upgrade the database from a prior release.
E. Enables the Installation of Grid Infrastructure files on block or raw devices. Correct Answer: CE Section: (none) Explanation
Explanation/Reference: C: To use Oracle ASM or Oracle Restart, you must first install Oracle Grid Inf
rastructure for a standalone server before you install and create the database. Otherwise, you must manually register the database with Oracle Restart. QUESTION 42 Identify two correct statements about multitenant architectures. A. Multitenant architecture can be deployed only in a Real Application Clusters (RAC)
configuration.
骨刺消痛膏
B. Multiple pluggable databases (PDBs) share certain multitenant container database (CDB)
resources. C. Multiple CDBs share certain PDB resources. D. Multiple non-RAC CDB instances can mount the same PDB as long as they are on t he same server.rbd-573
E. Patches are always applied at t he CDB level.
F. A PDB can have a private undo tablespace. Correct Answer: BE
Section: (none)
Explanation
Explanation/Reference:
麻石脱硫除尘器B: Using 12c Resource manager you will be able control CPU, Exadata I/O, sessions and parallel
C U U G
C U
U G
C U U G 内部考试资料 内部考试资
料 O C P 讨论：1015267481C U U G C U U G C U U G 内部考试资料 内部考试资料 严禁外传O C P 讨论：1015267481
豫公网安备41160202000603
站长QQ:729038198
关于我们
投诉建议