Oracle 053 421-513中文译文

QUESTION NO:422

你的系统已经从10g升级到11g。你从先前版本中导入SQL STS(SQL TUNNING SET)。改变optimizer_feature_enabel参数到10.2.0.4之后，运行SQL性能分析器，你观察到性能衰退performance regression为一些sql语句。你应该怎样处理这些sql语句？

C. Capture the plans from the previousversion using STS and then load them into SQL Management Base (SMB).使用STS捕获先前版本的计划，接着把他们导入到SQL管理基础(SMB)中。

QUESTION NO:423

You are managing OracleDatabase 11g with an ASM storage with high redundancy. The following commandwas issued to drop the disks from the dga disk group after five hours:

你正在管理11g（用asm存储，高冗余）。用下列命令去drop磁盘，从dga磁盘组中（5小时后）

ALTER DISKGROUP dga OFFLINE DISKS IN FAILGROUP f2DROP AFTER 5H;

在这个场景中，哪句是正确的？

D. All the disks in the dga disk groupin failure group f2 would be OFFLINE and the DISK_REPAIR_TIME disk attributewould be set to 5 hours.

QUESTION NO:424

view the Exhibit toobserve the error.

You receive this errorregularly and have to shut down the database instance to overcome the error.What can the solution be to reduce the chance of this error in future, whenimplemented?你有规律的接收到这个错误，不得不关闭数据库实例去解决这个错误。

A. locking the SGA in memory

B. automatic memory management

C. increasing the value of SGA_MAX_SIZE

D. setting the PRE_PAGE_SGA parameter to TRUE

QUESTION NO:425(Jesse)

(Choose three.)关于autotask background process ABP自动任务后台进程的功能描述正确的3句：

A. It translates tasks into jobs forexecution by the scheduler.它转换任务到jobs，通过调度器来执行

B. It creates jobs without considering the prioritiesassociated with them.它创建jobs时没有考虑和他们关联的优先级

C. It determines the list of jobs thatmust be created for each maintenance window.它决定每一个维护窗口必须被创建的job的列表

D. It is spawned繁殖 by the MMONbackground process at the start of the maintenance window.它通过MMON后台进程繁殖，在维护窗口开始时。

E. It maintains a repository in the SYSTEM tablespace tostore the history of the execution of all tasks.

QUESTION NO:426

You executed thefollowing commands in an RMAN session for your database instance that has failures:由于你的数据库实例已经失效，你在RMAN会话中执行下列命令：

RMAN> LIST FAILURE;

一些时间后，你在相同会话中执行下列命令：

RMAN> ADVISE FAILURE;

在执行最后list failure命令之后，新的failures记录在ADR中。

上面的advisefailure命令描述是正确的？

A. It produces a warning for newfailures before advising for CRITICAL and HIGH failures. 建议critical和highfailures之前它产生一个新的failures的警告。

QUESTION NO:427

View the Exhibit toexamine the output for the V$DIAG_INFO view.

Which statements are true regarding the location ofdiagnostic traces? (Choose all thatapply.)查看v$diag_info视图。关于诊断跟踪的位置正确的语句是哪个语句？

A. The path to the location of thebackground as well as the foreground process trace files is /u01/oracle/diag/rdbms/orclbi/orclbi/trace.后台和前台进程跟踪文件的路径为：/u01/oracle/diag/rdbms/orclbi/orclbi/trace

B. The location of the text alert log file is/u01/oracle/diag/rdbms/orclbi/orclbi/alert.

C. The location of the trace file forthe current session is /u01/oracle/diag/rdbms/orclbi/orclbi/trace.

当前会话的的跟踪文件的位置：也是trace目录

D. The location of the XML-formattedversion of the alert log is

/u01/oracle/diag/rdbms/orclbi/orclbi/alert.基于XML格式的alert日志的位置

Trace目录：后台和前台进程，当前会话跟踪文件，alert.log文本文件

Alert目录：XML版本的alert文件

QUESTION NO:428

评估下列命令：

SQL>ALTER SYSTEM SET db_securefile= 'IGNORE';

这个设置对securefiles用法的影响是：

A. It forces BasicFiles to be created even if theSECUREFILE option is specified to create the LOB.它强制BasicFile被创建（甚至securefile选项被指定去创建LOB）.

QUESTION NO:429（Jesse,与423的区别）

你正在管理一个oracle11g ASM实例（用一个磁盘组dg01有3个磁盘）。磁盘组中的一个磁盘不可用，因为电源失效。你发起下列命令去修改disk_repair_time属性从3.6小时到5小时：

ALTER DISKGROUP dg01 SET ATTRIBUTE'disk_repair_time' = '5h';

To which disks in thedisk group will the new value be applicable适当的?

A. all disks in the disk group

B. all disks that are currently in OFFLINE mode

C. all disks that are not currently inOFFLINE mode所有的磁盘当前都没有处于offline模式。

D. all disks in the disk group only if all of them areONLINE

QUESTION NO:430

你发起下列RMAN命令去备份数据库：

RMAN>

RUN{

ALLOCATE CHANNEL c1

DEVICE TYPE sbt

BACKUP DATABASE TAG quarterly

KEEP FOREVER

RESTORE POINT FY06Q4;

}

(Choose two.)关于此备份执行的正确的两句：

A. Archived redo log files are backedup along with data files.归档重做日志文件备份（伴随数据文件一起备份）

B. Only data files are backed up and a restore point namedFY06Q4 is created.

C. Archived log files are backed up along with data files~~,and the archived log files are deleted.~~

D. The command creates a restore pointnamed FY06Q4 to match the SCN at which this backup is consistent.该命令创建一个还原点FY06Q4去匹配SCN（这个备份是一致的）

QUESTION NO:431

View the Exhibit toexamine a portion of the output from the VALIDATE DATABASE command.检查validate database数据库的输出

关于通过命令检测到的坏块描述正确的是：

A. No action is taken except the output in the Exhibit.

B. The corruption is repaired by the command implicitly.

C. The failure is logged into theAutomatic Diagnostic Repository (ADR).失败记录到ADR中。

D. The ADVISE FAILURE command is automatically called todisplay the repair script.

Explanation:

QUESTION NO:432

(Choose two.)哪两类的失败使DRA产生一个手工列表？

A. failures because a data file isrenamed by error因为一个数据文件重命名产生的错误

B. failures when no standby database is configured

C. failures that require no archive logs to be applied forrecovery

D. failures due to loss ofconnectivity-for example, an unplugged disk cable失败取决于丢失的连接，例如拔掉线

Explanation:

QUESTION NO:433

(Choose two.)关于使用下列命令进行数据库实例启动描述正确的是：

SQL>STARTUP UPGRADE

A. ~~It enables all system triggers.它启用所有的系统触发器~~

B. It allows only SYSDBA connections.它只允许SYSDBA连接

C. ~~It ensures that all job queues remain active during theupgrade process.它确保所有的job队列保持活动，在升级过程中。~~

D. It sets system initializationparameters to specific values that are required to enable database upgradescripts to be run.它设置系统初始化参数为指定值（要求启用数据库升级脚本去运行）

Explanation:

QUESTION NO:434（Jesse）

(Choose all that apply.)关于系统分区表描述正确的是：

A. ~~Only a single partitioning key column can be specified.只有单个分区key列可以被指定~~

B. ~~All DML statements must use partition-extended syntax.所有DML语句必须使用分区扩展语法~~

C. ~~The same physical attributes must be specified for eachpartition.相同的物理属性必须被指定为每个分区~~

D. Unique local indexes cannot becreated on a system-partitioned table.唯一的本地索引不能创建在系统分区表上。

E. Traditional partition pruning andpartitionwise joins are not supported on these tables.传统的分区裁剪和分区连接在这些表上不支持。

Explanation:

QUESTION NO:435

(Choose two.)optimizer_use_plan_baselines参数设置为true。优化器产生一个SQL语句的计划，但不能发现一个匹配计划（在SQL计划基线中）。在这个场景中，由优化器执行的两个操作是？

A. The optimizer adds the new plan tothe plan history.优化器添加新的计划到计划历史中。

B. The optimizer selects the new plan for the execution ofthe SQL statement.优化器为sql语句的执行选择新的计划。

C. The optimizer adds the new plan to the SQL plan baselineas an accepted plan.优化器添加新的计划到sql计划基线中作为一个可接受的计划

D. The optimizer adds the new plan to the SQL plan baselinebut not in the ENABLED state.优化器添加新的计划到sql计划基线中但不处于启用状态。

E. The optimizer costs each of theaccepted plans in the SQL plan baseline and picks the one with the lowest cost.优化器估算在SQL计划基线中的每一个可接受的计划和挑选成本最低的一个。

Explanation:

QUESTION NO:436 (Jesse) 跳过文件系统cache和操作系统内核驱动

(Choose two.)关于oracle direct NFS描述正确的是：

A. It bypasses the OS file system cache.它忽视os文件系统cache

B. A separate NFS interface is required for use acrossLinux, UNIX, and Windows platforms.

C. It uses the operating system kernel NFS layer for usertasks and network communication modules.

D. File systems need not be mounted by the kernel NFS systemwhen being served through Direct NFS.

E. Oracle Disk Manager can manage NFSon its own, without using the operating system kernel NFS driver.oracle磁盘管理器可以管理NFS，没有使用操作系统内核NFS驱动。

Explanation:

QUESTION NO:437

You are managing anOracle Database 11g instance with ASM storage. You lost an ASM disk group DATA.You have RMAN backup of data as well as ASM metadata backup. You want tore-create the missing disk group by using the ASMCMD md_restore command. Which ofthese methods would you use to achieve this? (Choose all that apply.)

A. Restore metadata in an existing diskgroup by passing the existing disk group name as an input parameter.

B. Restore the disk group with changeddisk group specification, failure group specification, disk group name, andother disk attributes.

C. Restore the disk group with theexact configuration as the backed-up disk group, using the same disk groupname, same set of disks, and failure group configurations.

D. Restore the disk group with the exact configuration asthe backed-up disk group, using the same disk group name, same set of disks,failure group configurations, ~~and data on the disk group.~~

QUESTION NO:438（Jesse）

评估下列命令和它的结果输出：

SQL>SELECT *FROM dba_temp_free_space;

TABLESPACE_NAMETABLESPACE_SIZE ALLOCATED_SPACEFREE_SPACE

------------------------------------------------------ ---------------------------- ------------------

LMTEMP 250609664 101048576 149561088

(Choose two.)哪两句正确解释interpret了输出？

D. ALLOCATED_SPACE indicates both thespace currently allocated and used, and the space that is available for reuse.ALLOCATED_SPACE分配空间暗示着当前分配和使用的空间，这些空间是有效的（可重复使用的）。

E. FREE_SPACE indicates boththe space that is currently allocatedand available for reuse, and the space that iscurrently unallocated. FREE_SPACE 空闲空间暗示着空间当前分配和可重复使用的，这部分空间当前是未分配的。

DBA_TEMP_FREE_SPACE

DBA_TEMP_FREE_SPACE displays temporary space usage information at tablespace level.

Column	Datatype	NULL	Description
TABLESPACE_NAME	VARCHAR2(30)	NOT NULL	Name of the tablespace
TABLESPACE_SIZE	NUMBER		Total size of the tablespace, in bytes
ALLOCATED_SPACE	NUMBER		Total allocated space, in bytes, including space that is currently allocated and used and space that is currently allocated and available for reuse
FREE_SPACE	NUMBER		Total free space available, in bytes, including space that is currently allocated and available for reuse and space that is currently unallocated

Explanation:

QUESTION NO:439

在你的数据库中，在初始化文件中的result_cache_mode参数已经设置为manual。你发起下列命令：

SQL>SELECT /*+ RESULT_CACHE */sale_category, sum(sale_amt)

FROM sales

GROUP BY sale_category;

查询结果存储在哪里？

A. PGA

B. large pool

C. shared pool

D. database buffer cache

Explanation:

QUESTION NO:440(Jesse)

你工作在一个catdb数据库上（包含一个11.1的catalog模式，属于RCO11用户）。INST1数据库包含10.1catalog模式属于RCAT10。

你想RMAN将元数据为数据库1423241和1423242，注册在RCAT10上，导入到RCO11的recoverycatalog中。你执行下列RMAN命令：

RMAN> CONNECT CATALOG rco11/password@catdb

RMAN> IMPORT CATALOG rcat10/oracle@inst1;

(Choose all that apply.)你执行上面这些语句时发生什么？

A. They deregister all databasesregistered in the RCAT10 catalog.他们取消注册在rcat10的catalog下的所有数据库

B. They import metadata for allregistered databases in the RCAT10 database.他们导入元数据为RCAT10上的所有已注册数据库

C. They register all the RCAT10-catalogregistered databases in the RCO11 catalog.他们注册所有的RCAT10-catalog注册数据库到RCO11catalog中。

D. They overwrite all stored scripts in the RCO11 catalogwith the same name as that in the RCAT10 catalog.

Explanation:

QUESTION NO:441

(Choose three.)与sql plan baselines有关的3个有效句子：

A. The plans can be manually loaded tothe SQL plan baseline.计划可以手工导入到sql计划baseline中

B. The plans in the SQL plan baselineare verified and accepted plans.sql计划基线中的计划是验证过和可接受的计划。

C. The plans generated for every SQL statement are stored inthe SQL plan baseline by default.

D. The plan baselines are stored temporarily in the memoryas long as the database instance is

running.

E. For the SQL plan baselines to beaccessible to the optimizer, the SYSAUX tablespace must be online.为了让sql计划基线对于优化器来说可访问，sysaux表空间必须online。

Explanation:

QUESTION NO:442(Jesse)

You run the SQL TuningAdvisor (STA) to tune a SQL statement that is part of a fixed SQL plan baseline.The STA generates a SQL profile for the SQL statement, which recommends thatyou accept the profile. Which statement is true when you accept the suggestedSQL profile?你运行SQL调优建议器去优化一个sql语句（作为一个fixed sql计划基线的一部分）。STA产生了一个SQL profile（为SQL语句），推荐你接受profile。当你接受这个暗示的sql profile时，哪个是正确的？

A. The tuned plan is not added to the SQL plan baseline.

B. The tuned plan is added to the fixed SQL plan baseline asa fixed plan.

C. The tuned plan is added to the fixedSQL plan baseline as a nonfixed plan.调优计划被添加到可修改SQL计划基线中作为一个不可修改的计划

D. The tuned plan is added to a new nonfixed SQL planbaseline as a nonfixed plan.

QUESTION NO:443

(Choose three.)关于IO标准化进程功能描述正确的3句是：

A. Only one I/O calibration process canrun at a time.一次只有一个IO标准化进程可运行

B. It automates the resource allocation for the AutomatedMaintenance Tasks.

C. It improves the performance of the performance-criticalsessions while running.

D. It can be used to estimate themaximum number of I/Os and maximum latency time for the system.可用于评估最大数量的IO和系统最大的等待时间

E. The latency time is computed onlywhen the TIMED_STATISTICS initialization parameter is set to TRUE.等待时间只有当timed_statistics初始化参数设置为true时才配置。

Explanation:

QUESTION NO:444

(Choose two.) 关于SQLManagement Base SMB正确的描述是：

A. ~~It contains only SQL profiles generated by SQL TuningAdvisor.~~

B. ~~It stores plans generated by the optimizer using a storedoutline.~~

C. It is part of the data dictionaryand stored in the SYSAUX tablespace.它是数据字典的一部分，存储在SYSAUX表空间中。

D. ~~It is part of the data dictionary and stored in theSYSTEM tablespace.~~

E. It contains the statement log, theplan history, plan baselines, and SQLprofiles.它包含语句日志，计划历史，计划基线和SQL profile。

Explanation:

QUESTION NO:445

Sales details are beingstored on a daily basis in the SALES_2007 table. A large amount of data is addedto the table daily. To save disk space, you issued the following command:sales详细信息被存储在sales_2007表中，按日。每天有大量的数据添加到表中。为了节省磁盘空间，你发起以下命令：

ALTER TABLE sales_2007 COMPRESS FOR ALLOPERATIONS;

What would be theoutcome of this command?这个命令的结果是：

C. It compresses all data added ormodified henceforth今后 but the existingdata in the table is not compressed immediately.它压缩所有的添加的或今后修改的数据，但是已经在表里的数据不立即压缩。

Explanation:

QUESTION NO:446

(Choose all that apply.)对数据库的哪些客户端请求可以被捕获，作为工作负载捕获的一部分？

A. flashback query闪回查询

B. distributed transactions分布式事务

C. logging in and logging out ofsessions会话的登入登出

D. all DDL statements having bindvariables所有的DDL语句有绑定变量的

E. direct path load of data from external files从外部表的直接路径导入

Explanation:

QUESTION NO:447

(Choose two.)关于SQL repair advisor 修复建议器描述正确的：

A. The SQL Repair Advisor can be invoked to tune the performanceof the regressed SQL statements.

B. The SQL Repair Advisor can beinvoked evenwhen即使当 the incident isnot active for a SQL statement crash. Sql修复建议器可以被调用，即使当事件不是活动的。

C. The SQL Repair Advisor is invoked by the Health Monitorwhen it encounters the problematic SQL statement.

D. The DBA can invoke the SQL RepairAdvisor when he or she receives an alert generated when a SQL statement crashesand an incident is created in the ADR. DBA可以调用sql修复建议器（当他或她接受到一个告警），当一个sql语句崩溃和一个事件创建在ADR中时。

Explanation:

QUESTION NO:448

在11g中如何设置默认启用基线？

A. setting the STATISTICS_LEVEL parameter toTYPICAL

Explanation:

QUESTION NO:449

(Choose two.)DRA不支持的两个活动是：

A. Diagnose and repair a data file corruption offline.

B. Diagnose and repair a data file corruption online.

C. Diagnose and repair failures on astandby database.诊断和修复备用数据库的failures.

D. Recover from failures in the RealApplication Cluster (RAC) environment.

RAC环境下的失败恢复

QUESTION NO:450（Jesse）

In which cases isreference partitioning effective in enhancing performance?有效的提高性能，和分区有关；

A. It is effective only in partition pruning.

B. It is effective only in partitionwise joins provided thatthe query predicates are different from the partitioning key.

C. It is effective in both partition pruning as well aspartitionwise joins provided that the query predicates are identical to thepartitioning key.

D. It is effective in both partitionpruning as well as partitionwise joins irrespective of whether the querypredicates are different from or identical to the partitioning key. 它是有效的在分区裁剪和分区连接（不考虑是否查询断言，不同于或同一分区key）

QUESTION NO:452

Which statement is truefor enabling Enterprise Manager Support Workbench in Oracle Database 11gto upload the physical files generated by Incident Packaging Service (IPS) to MetaLink?哪个语句是正确的，启用EM support工作台，在11g中，去上传物理文件（由IPS产生的）到metalink。

E. Select the Enable option in the OracleConfiguration Manager Registration window during the installationof theOracle Database 11g software, provide valid MetaLink credentials and select licenseagreement.

Explanation:

QUESTION NO:453

(Choose two.)oracle11g中关于健康监视检查描述正确的是：

B. Health Monitor checks can be used toscan the contents of the redo log and archive logs for accessibility andcorruption.健康监视检查可以用于去扫描重做日志和归档日志的内容（为可访问性和破坏性）

D. Health Monitor checks can be used toverify the integrity of database files and report failures if these files areinaccessible, corrupt or inconsistent.健康监视检查可以用去验证数据库文件的完整性，且报告哪些文件不可访问，损坏或不一致性。

Explanation:

QUESTION NO:454

View the Exhibit for theobject interdependency相关性 diagram图表.

Products表用于去创建prodcat_vw视图。该视图用在get_data过程中。Get_data被check_data函数调用。新的列添加到products表时。依赖对象状态的影响如何？

A. All dependent objects remain valid.所有依赖对象保持有效

Explanation:

QUESTION NO:455

View the Exhibit toexamine the parameters setfor your database instance.

You execute thefollowing command to perform I/O calibration标准 after the declaration of bind variables in the sessionthat are used in the command:

SQL>

EXECUTE dbms_resource_manager.calibrate_io(num_physical_disks=>1, -

max_latency=>50, -

max_iops=>:max_iops, -

max_mbps=>:max_mbps, -

actual_latency=>:actual_latency);

Which statementdescribes the consequence结果?

A. The command produces an error.

Explanation:

QUESTION NO:456

You plan to control thesessions performing a huge number of I/O operations. Your requirement is tokill the session when it exceeds a specified number of I/Os. Which statementdescribes a solution to the above?你计划控制会话（去执行一个极大量的IO操作）。你的需求是去kill会话，当它超过一个指定IO的数字之后。哪个语句描述一个解决方案

A. Set a threshold for the default system-defined movingwindow baseline.

B. Add directives to the Automatic Database DiagnosticMonitor (ADDM).

C. Modify the profile for the targeted users for whichcontrol needs to be imposed.

D. Implement the database resourcemanager to add the SWITCH_IO_REQS and SWITCH_GROUP directives.实现数据库资源管理器去添加switch_io_reqs和switch_group指令。

Explanation:

QUESTION NO:457

You need to perform anonline table redefinition of an existing SALES table to partition it into two tablespacesTBS1 and TBS2.The SALES table has a materialized view, materialized log,indexes, referential integrity constraint,

and triggers with thePRECEDES clause existing on it.

What action is requiredfor dependent objects when you perform online table redefinition?

你需要执行一个在线表重定义（一个已经存在的sales表分区到TBS1和TBS2）。SALES表有一个物化视图，物化视图日志，索引，参考完整性约束，触发器（用precedes条件）。当你执行在线表重定义时，哪种行为是必须的（为依赖对象）。

A. The materialized log should be dropped before the onlinetable redefinition process.

B. Triggers with the PRECEDES clause should be disabledbefore the online table redefinition process.

C. Referential integrity constraints must be manuallyenabled after the online table redefinition process.

D. The dependent materialized viewshould have a complete refresh performed after the online table redefinitionprocess.在线表重定义进程之后，依赖的物化视图应该有一个完整的刷新执行。

Explanation:

QUESTION NO:458

Examine the followingvalues of the initialization parameters in the database having the SID ORCL:

BACKGROUND_DUMP_DEST=/u01/app/oracle/product/11.1.0/db_1/bdump

USER_DUMP_DEST=/u01/app/oracle/product/11.1.0/db_1/udump

CORE_DUMP_DEST=/u01/app/oracle/product/11.1.0/db_1/cdump

DIAGNOSTIC_DEST=

The environmentvariables have the following value:

ORACLE_BASE=/u01/app/oracle

ORACLE_HOME=/u01/app/oracle/product/11.1.0/db_1

What is the location ofthe Automatic Diagnostic Repository (ADR) home?

A. /u01/app/oracle

B. $ORACLE_HOME/log

C. $ORACLE_HOME/bdump

D. /u01/app/oracle/product/11.1.0/db_1

Explanation:

QUESTION NO:459

Which tasks are runautomatically as part of the Automated Maintenance Task by default?(Choose allthat apply.)哪些任务作为自动化维护任务的一部分自动运行（默认情况下）

A. Segment Advisor段建议器

B. SQL Access Advisor

C. Optimizer statistics gathering优化器统计收集

D. Automatic SQL Tuning Advisor自动 SQL调优建议器

E. Automatic Database Diagnostics Monitor

Explanation:

QUESTION NO:460

View the Exhibit toexamine the output produced by the following query at three different times sincethe database instance started and has undergone workloads of differentcapacities:

SQL> SELECT substr(component, 0, 10) COMP,current_size CS,

user_specified_size US

FROM v$memory_dynamic_components

WHERE current_size!=0;

What do you infer fromthis?

A. The database instance is running with manual PGAmanagement.

B. The database instance is running with manual sharedmemory management.

C. The database instance has theMEMORY_TARGET value set to a nonzero value.

D. All sessions are connected to the database instance indedicated mode, and no RMAN or parallel query operations have been performed.

Explanation:

QUESTION NO:461

Your company wants toupgrade the current production database to the RAC environment. To performtesting before migrating to the RAC environment, you performed the workloadcapture on the production database to record the peak workload. You set up thetest RAC database and want to replay the recorded workload on the test machine.Note the following steps that you may require

to replay the databaseworkload:

1) Preprocess thecaptured workload.

~~2) Restartthe database in RESTRICTED mode.~~

3) Set up the ReplayClients.

4) Restore the testdatabase to the point when the capture started.

5) Remap connections.

Arrange the stepsrequired in the correct sequence to accomplish this task on the test machine.

你公司向升级当前库到RAC环境。为了执行测试在迁移到RAC环境之前，你执行了工作负载捕获（生产库，去记录顶峰的负载）。你设置test RAC数据库，想去回放负载。主要

A. 2, 1, 5, 3,4

B. 1, 2, 4, 5, 3

C. 1, 4, 5, 3 (2 is not required.)预处理，还原到捕获点，remap连接，设置client

D. 1, 2, 4, 5 (3 is not required.)

E. 1, 4, 3, 5 (2 is not required.)

Explanation:

QUESTION NO:462

Which statements aretrue regarding the system-defined moving window baseline in Oracle Database11g? (Choose all that apply.)11g中的系统定义的移动窗口基线，描述正确的是：

A. It does not allow you to change the moving window size.

B. Adaptive threshold functionalitiesuse it by default to compute statistics.自适应的临界功能使用它（默认）去计划统计

C. It is created by default with thewindow size being equal to the AWR retention time.默认（用windows大小=AWR保留时间）来创建。

D. It is created when the first snapshot is collected by theAutomatic Workload Repository (AWR).

Explanation:

QUESTION NO:463

The SQL Tuning Advisorhas been configured with default configurations in your database instance.Which recommendation is automatically implemented without the DBA'sintervention after the SQLTuning Advisor is run as part of the AUTOTASK framework?

Sql调优建议器已经配置用默认设置。哪个推荐方案自动实施，在没有DBA敢于情况下（sql调优建议器作为autotask框架下的一部分）

A. statistics recommendations

B. SQL profile recommendations

C. index-related recommendations

D. restructuring of SQL recommendations

Explanation:

QUESTION NO:464

Which statements are trueregarding the creation of an incident package file by using the EM WorkbenchSupport? (Choose all that apply.)

关于事件包文件的创建（使用EM支持工作台）描述正确的是：

A. You can add SQL test cases to theincident package.

B. You can add or remove the tracefiles to the package.

C. You cannot create an incremental incident package whenthe physical files are purged from the ADR.

D. You can create the incrementalincident package ZIP file for new or modified diagnostic information for theincident package already created.

Explanation:

QUESTION NO:465

The following command isexecuted to create the baseline template:

SQL>

EXECUTE DBMS_WORKLOAD_REPOSITORY.CREATE_BASELINE_TEMPLATE(START_TIME=>

TO_TIMESTAMP(SYSDATE+2),

END_TIME=>TO_TIMESTAMP(SYSDATE+10),

BASELINE_NAME=>'Mybase4',

TEMPLATE_NAME=>'Mytemp4',

EXPIRATION=>NULL);

Which statement is trueabout the effect of the above command?

A. It creates a baseline template thatnever expires.

B. It produces an error because no snapshot information isprovided to create the baseline.

C. It creates a baseline template that expires after theAutomatic Workload Repository (AWR) retention period.

D. It creates a repeating baseline template that repeatsafter the Automatic Workload Repository (AWR) retention period.

Explanation:

QUESTION NO:466

View the Exhibit toexamine the details for an incident.

Which statement is trueregarding the status of the incident?

A. The DBA is working on the incident and prefers that theincident be kept in the ADR.

B. The incident is now in the Done state and the ADR canselect the incident to be purged.

C. The incident has been newly created and is in the processof collecting diagnostic information.

D. The data collection for the incidentis complete and the incident can be packaged and sent to Oracle Support.

Explanation:

QUESTION NO:467

You issued the followingcommand:你发起以下命令：

CREATE GLOBAL TEMPORARYTABLE admin_work_area

(

startdate DATE,

enddate DATE,

class CHAR(20))

ON COMMIT DELETE ROWS

TABLESPACE tbs_t1;

An index is then created on the ADMIN_WORK_AREA temporarytable.

Which two statements aretrue regarding the TBS_T1 tablespace in the above command?(Choose two.)关于tbs_t1表空间正确的描述是：

A. It stores only the temporary table but not its indexes.

B. It stores both the temporary tableas well as its indexes.

C. It must be a nondefault temporary tablespace for thedatabase.

D. It can be a default or nondefaulttemporary tablespace for the database.

E. It must be the default temporary tablespace of the userwho issues the command.

Explanation:

QUESTION NO:468

Identify the activitiesperformed as part of the Automatic SQL Tuning process in the maintenance window?(Choose all that apply.)识别维护窗口中的自动化sql调优进程的活动：

A. generating the SQL profile产生sql profile

B. testing and accepting the SQLprofile测试和接受SQL profile

C. generating a list of candidate SQLsfor tuning产生列表（调优sql）

D. adding tuned SQL plans into the SQL plan baseline

E. tuning each SQL statement in theorder of importance按照重要顺序优化每一个sql语句

F. generating baselines that include candidate SQLs fortuning

Explanation:

QUESTION NO:469

View the Exhibit toexamine the replay settings for replay parameters.

What is the implicationfor setting the values for replay parameters? (Choose all that apply.)

A. The COMMIT order in the capturedworkload is preserved during replay.

B. The value 100 in the THINK_TIME_SCALE parameter attemptsto make the replay client

shorten the think timebetween calls.

C. The value 100 in theCONNECT_TIME_SCALE parameter attempts to connect all sessions as captured.

D. The value 100 in theTHINK_TIME_SCALE parameter attempts to match the captured user think time whilereplaying.

E. The value 100 in the CONNECT_TIME_SCALE parameterattempts to connect all sessions

immediately as soon asthe replay begins.

Explanation:

QUESTION NO:470

Which two prerequisitesare needed for performingworkload capture and replay? (Choose two.)执行工作捕获和回放的两个先决条件：

A. setting up the directory to capturethe workload

B. running the database in shared server mode

C. Close all sessions performing queries using databaselinks.

D. The database on which the workloadis replayed has to be a restore of the original database to a specific SCN.

Explanation:

QUESTION NO:471

You are managing anOracle 11g database with ASM storage, for which the COMPATIBLE initializationparameter is set to 11.1.0.In the ASM instance, the COMPATIBLE.RDBMS attribute for the disk group is setto 10.2 and theCOMPATIBLE.ASM attribute is set to 11.1.

Which two statements aretrue in this scenario for the features enabled for ASM? (Choose two.)

A. The ASM-preferred mirror readfeature is enabled. ASM首选镜像读功能启用。

B. The ASM supports variable sizes forextents of 1, 8, and 64 allocation units.

C. The ASM disk is dropped immediately from a disk groupwhen it becomes unavailable.

D. The RDBMS always reads the primary copy of a mirroredextent of the ASM disk group.

Explanation:

QUESTION NO:472

You set the followingparameters in the parameter file and restarted the database:

MEMORY_MAX_TARGET=0

MEMORY_TARGET=500M

PGA_AGGREGATE_TARGET=90M

SGA_TARGET=270M

Which two statements aretrue regarding these parameters after the database instance is restarted?(Choose two.)

A. The MEMORY_MAX_TARGET parameter isautomatically set to 500 MB.

B. The value of the MEMORY_MAX_TARGET parameter remains zerotill it is changed manually.

C. The PGA_AGGREGATE_TARGET and SGA_TARGET parameters areautomatically set to zero.

D. The lower bounds of PGA_AGGREGATE_TARGETand SGA_TARGET parameters are set to 90 MB and 270 MB, respectively.

QUESTION NO:473

Evaluate the followingSQL statement used to createthe PRODUCTS table:

CREATE TABLE products

(product_id NUMBER(3) PRIMARY KEY,

product_desc VARCHAR2(25),

qty NUMBER(8,2),

rate NUMBER(10,2),

total_value AS ( qty * rate))

PARTITION BY RANGE (total_value)

(PARTITION p1 VALUES LESS THAN (100000),

PARTITION p2 VALUES LESS THAN (150000),

PARTITION p3 VALUES LESS THAN (MAXVALUE))

COMPRESS FOR ALL OPERATIONS;

Which statement is trueregarding this command?关于这个命令正确是：

A. It executes successfully but partition pruning cannothappen for this partition key.

B. It produces an error because the TOTAL_VALUE columncannot be used as a partition key.

C. It produces an error because compression cannot be usedfor the TOTAL_VALUE partition key.

D. It executes successfully but thevalues in the TOTAL_VALUE column would not be physically stored in thepartitions.它执行成功，但total_value列的值不能物理存储在这个分区。

Explanation:

QUESTION NO:474

View the Exhibit toexamine the error while executing the REPAIRFAILURE command in an RMAN session.

What is the reason forthis error?

A. Another repair session is runningconcurrently.另一个修复会话同时在运行。

B. The failure ID has not been mentioned in the command fordata file 5.

C. There are new failures recorded in the AutomaticDiagnostic Repository (ADR).

D. The ADVISE FAILURE command has not been issued before theREPAIR FAILURE command.

Explanation:

QUESTION NO:475---FRA区域怎么看？

The Oracle Database 11gdatabase is running in the ARCHIVELOG mode. The archived redo log files are stored on three locations. The Flash Recovery Area is one of the locations. Thedetails are given below:

LOG_ARCHIVE_DEST_1 = 'LOCATION = /disk1/archive'

LOG_ARCHIVE_DEST_2 = 'SERVICE = stdb1'

DB_RECOVERY_FILE_DEST = '/u01/oradata'

Oracle11g数据库运行在archivelog模式。归档重做日志文件存储在3个地方。Fra是其中之一。

Examine the followingRMAN command issued to set the deletion policy for archived log files:检查下列RMAN命令发起

RMAN> CONFIGURE ARCHIVELOGDELETION POLICY TO BACKED UP 2TIMES TO sbt;

Which statement is trueregarding what this command accomplishes?

A. All archived redo log files backed up at least twice totape are deleted.

B. All archived redo log files backed up at least once totape are eligible合适的 fordeletion.

C. All archived redo log files backed up at least twice totape are deleted from the flash recovery area.

D. All archived redo log files in localarchiving destinations and the flash recovery area backed up at least twice totape are eligible for deletion.

所有的归档重做日志文件在本地归档目标，闪回归档区域备份至少2次到磁带（删除时）

Explanation:

QUESTION NO:476

Evaluate the followingcommand:

SQL> CREATE TABLEdesign_data (id NUMBER,doc CLOB)

LOB(doc) STORE ASSECUREFILE(DEDUPLICATE);

Which statement is trueregarding the above command?

A. The LOB values are automatically compressed.

B. The LOB values are cached by default in the buffer cache.

C. The LOB values are automatically stored in encryptedmode.

D. All LOB data that is identical intwo or more rows in a LOB column share the same data blocks.

Explanation:

QUESTION NO:477

You are working on theAPPDB database as a DBA. The database has a default Flashback Data ArchiveDFLA1 created on it.

You issued the followingcommand to drop the Flashback Archive FLA1:

DROP FLASHBACK ARCHIVE fla1;

What is the effect ofthis command?

你作为appdb数据库的dba。数据库有一个默认的flashback data archive，DFLA1.

A. The tablespace having Flashback Archive is dropped.

B. The Flashback Archive FLA1 is dropped only if it isempty.

C. The Flashback Data Archive andhistorical data are dropped.

D. The Flashback Archive FLA1 is dropped after moving theexisting data in it to the default Flashback Archive.

Explanation:

QUESTION NO:478

You are managing theAPPPROD database as a DBA whichis not using the Oracle-managed files. You plan to duplicate thisdatabase in the same system with the name DUPDB.You want to create the same directory structure forduplicate database files as of the target database.

You executed thefollowing RMAN commands:

RMAN> CONNECT TARGETsys/sys@APPPROD

RMAN> CONNECTAUXILIARY sys/sys@DUPDB

RMAN> DUPLICATETARGET DATABASE

What are theimplications of this command?

A. It creates database files for the duplicate databaseunder the Oracle base with a different

directory for theduplicate database.

B. It overwrites data files of thetarget database because a different location for data files is not mentionedfor the duplicate database.

C. It creates database files for the duplicate databaseunder the same Oracle home as that of the target database with the samedirectory structure.

D. It creates database files for the duplicate databaseunder the same Oracle home as that of the target but with a different directoryfor the duplicate database.

Explanation:

QUESTION NO:479

What are the recommendationsfor Oracle Database 11g installation to make it Optimal Flexible Architecture(OFA)-compliant? (Choose all that apply.)11g安装推荐方案（使其兼容OFA）

A. ORACLE_BASE should be setexplicitly.

B. An Oracle base should have only one Oracle home createdin it.

C. Flash recovery area and data filelocation should be on separate disks.

D. Flash recovery area and data filelocation should be created under Oracle base in a non-Automatic StorageManagement (ASM) setup. 闪回回复区和数据文件位置应该被创建在oraclebase（在一个非ASM安装中）

Explanation:

QUESTION NO:480

ENCRYPT_TS is anencrypted tablespace that contains tables with data. Which statement is true regardingthe effect of queries and data manipulation language (DML) statements on the encrypteddata in the tables?

加密表空间包含表有数据。那句是正确的，关于查询和数据DML影响（在这些表的加密数据上）

A. The data is decrypted during SORT and JOIN operations.

B. The data remains encrypted when it is read into memory.

C. The data remains encrypted when itis stored in the redo logs.数据写到重做日志是保持加密；读到内存时已经解密；sort和join期间解密；

D. The data remains encrypted in the UNDO tablespaceprovided that the UNDO tablespace was createdwith the encryption option enabled.？？？？？

Explanation:

QUESTION NO:481

You decided to useDirect NFS configuration in a non-RAC Oracle installation and created the oranfstabfile in /etc. Which two statements are true regarding this oranfstab file?(Choose two.)你决定使用direct NFS配置在一个非RAC oracle安装过程中，创建ORANFSTAB文件 /etc下。关于这个oranfstab文件正确描述是：

A. Its entries are specific to a single database.

B. It contains file systems that have been mounted by DirectNFS.

C. It is globally available to allOracle 11g databases on the machine.它是全局有效的，对于机器上所有的oracle11g库。

D. It contains file systems that havebeen mounted by the kernel NFS system.它包含文件系统（已经通过kernel nfs系统绑定）

Explanation:

QUESTION NO:482

Observe the followingwarning in an RMAN session of your database instance:

WARNING: new failures were found since last LIST FAILUREcommand

Which statementdescribes the scenario that must have produced this warning?观察在一个RMAN会话中的警告:new failures were found since last list failure 命令

哪个语句描述场景（产生这个警告的）

A. The CHANGE FAILURE command has detected new failuresrecorded in the AutomaticDiagnostic Repository(ADR).

B. The VALIDATE DATABASE command has detected new failuresrecorded in the AutomaticDiagnostic Repository (ADR).

C. The ADVISE FAILURE command hasdetected new failures recorded in the AutomaticDiagnostic Repository (ADR)since the last LIST FAILURE. Advice failure命令已经检测到新的failures 记录在adr中，自最后一次list failure.

D. The RECOVER command has detected new failures recorded inthe Automatic DiagnosticRepository (ADR) since the last LIST FAILURE commandwas executed.

QUESTION NO:483

Which statement is trueregarding virtual private catalogs?关于虚拟专用catalog正确的描述是：

A. The virtual private catalog owner cannot create andmodify the stored scripts.

B. A virtual private catalog owner can create a local storedscript, and have read/write access to a global stored script.

C. The set of views and synonyms that make up the virtualprivate catalog is stored in the schema of the RMAN recovery catalog owner.

D. To perform most of the RMANoperations, the virtual catalog owner must have the SYSDBA or SYSOPER privilegeon the target database.执行大多数RMAN操作，虚拟catalog属主必须有SYSDBA或SYSOPER权限在目标库上。

Explanation:

QUESTION NO:484

Which statementdescribes the significance of the CHANGE FAILURE command in RMAN?哪个语句描述了RMAN中CHANGEFAILURE的意义：

(Choose all that apply.)

A. It is used to explicitly close the openfailures.它用于明确的关闭failures

B. It is used to execute the advised repair script.

C. It is used to change failure priority only for theCRITICAL priority.

D. It is used to change failurepriority only for HIGH or LOW priorities.用于改变失效策略（只为high,low）

E. It is used to inform the database about the repair afterthe repair script executes.

Explanation:

QUESTION NO:485

You perform thefollowing activities during the database upgrade from Oracle Database 10g to OracleDatabase 11g:

你执行以下活动，在数据库从10g升级到11g时。

1. Capture plans for aSQL workload into a SQL Tuning Set (STS) before upgrade.升级前捕获一个sql工作负载的计划到一个sql 调优集中

2. Load these plans fromthe STS into the SQL plan baseline immediately after the upgrade. 在升级完成后，将STS中的计划导入到SQL计划基线中立即。

What is the reason forperforming these activities?执行这些活动的原因是：

A. to minimize plan regression due to the use of anew optimizer version

最小化计划衰退，因为使用一个全新的优化器版本。

B. to completely avoid the use of new plans generated by anew optimizer version

C. to prevent plan capturing when the SQL statement isexecuted after the database upgrade

D. to keep the plan in the plan history so that it can beused when the older version of the optimizer is used

Explanation:

QUESTION NO:486

View the Exhibit forsome of the parameter settings.

You start a session andissue the following command:

SQL>CREATE INDEX emp_ename ON emp(ename)

TABLESPACE users INVISIBLE;

What is the outcome ofthe above command?

A. The index is not used by theoptimizer but is maintained during DML operations.索引不能被优化器所使用，但是可以被DML操作所维护

B. The index is not used by the optimizer and is notmaintained during DML operations.

C. The index is used by the optimizer only if a hint isspecified in the query statement and is

maintained during DMLoperations.

D. The index is used by the optimizer only if a hint isspecified in the query statement but is notmaintained during DML operations.

Explanation:

QUESTION NO:487

While tuning a SQLstatement, the SQL Tuning Advisor finds an existing SQL profile for the statementthat has stale statistics available. What would the optimizer do in thissituation?当调优一个sql语句时，sql调优建议器发现一个已经存在的sql profile（一个语句的，有一些旧的统计，有效）在这种场景下，优化下怎么做？

A. It updates the existing SQL profiles with currentstatistics.

B. It makes the statistics informationavailable to GATHER_STATS_JOB.

C. It initiates the statistics collection process by runningGATHER_STATS_JOB.

D. It logs a warning message in the alert log so that theDBA can perform statistics collection manually.

Explanation:

QUESTION NO:488

In your database, the LDAP_DIRECTORY_SYSAUTHinitialization parameter has been set to YES and the users who need to accessthe database as DBAs have been granted SYSDBA enterprise role in Oracle Internet Directory (OID).SSL and the password file have been configured. A user SCOTT with the SYSDBA privilege tries toconnect to the database instance

from a remote machine using the command:

$ SQLPLUSscott/tiger@DB01 AS SYSDBA

where DB01 is the netservice name.

Which authentication method would be used first?

A. authentication by password file

B. authentication by using certificates over SSL

C. authentication by using the Oracle Internet Directory

D. authentication by using the local OS of the databaseserver

Explanation:

QUESTION NO:489 ？？？？

The following databasesare registered in the base recoverycatalog: PROD1, PROD2, and PROD3. The database user CATOWNER owns thebase recovery catalog. You want a new user

VPC1 to have access toonly the PROD1 database and create a virtual private catalog.

Given below are some ofthe commands required to achieve this:

1.SQL> GRANTrecovery_catalog_owner TO vpc1;

2.RMAN> CONNECTCATALOG vpc1/password@catdb;

3.RMAN> GRANT CATALOGFOR DATABASE prod1 TO vpc1;

4.RMAN> CONNECTCATALOG catowner/password@catdb;

5.RMAN> CREATEVIRTUAL CATALOG;

What is the correctsequence in which the commands have to be executed?

While deploying a newapplication module, the software vendor ships the application software alongwith appropriate SQL plan baselines for the new SQLs being introduced. Whichtwo

statements describe theconsequences? (Choose two.)

当部署一个新的应用程序模块时，软件厂商传输应用程序软件和对应的sql计划基线（为新的sql）导入，那两个语句描述正确的结论：

A. The plan baselines can be evolved设计 overtime随着时间过去 to produce betterperformance.

B. The newly generated plans are directly placed into theSQL plan baseline without being verified.

C. The new SQL statements initially runwith the plans that are known to 为…所熟知produce good performanceunder standard test configuration.

D. The optimizer does not generate new plans for the SQLstatements for which the SQL plan baseline has been imported.

QUESTION NO:491

You plan to have alarger moving window size for the default system-defined moving window baselinebecause you want to use the adaptive threshold. Which statement factors in thisconsideration while increasing the size of the moving window?

A. The collection level for the AWR should be set to BASIC.

B. The moving window size must be less than Undo Retention.

C. The moving window size should be greater than theAutomatic Workload Repository (AWR) retention period.

D. The moving window size should beequal to or less than the Automatic Workload Repository (AWR) retention period.

QUESTION NO:492

You are managing anOracle Database 11g database with ASM storage. The ASM disk group has theCOMPATIBLE.ASM attribute set to 11.1. Which statements are true regarding extent management and allocationunits in the ASM disk group? (Choose all that apply.)

A. Extent management is completelyautomated.

B. The allocation unit size may vary but the extent size isfixed.

C. The au_size disk group attributedetermines the size of allocation units in the disk group.

D. The allocation unit size and extent size are fixed forall the disks in a disk group and cannot be changed.

Explanation:

QUESTION NO:493

You issued the followingcommand to mount the DATA disk group in restricted mode:

ALTER DISKGROUP data MOUNT RESTRICT;

What is the implicationof this command?

A. A disk in a disk group can be taken offline.

B. A new disk cannot be added to a disk group.

C. The client RDBMS instance can access the file as aread-only file.

D. The client RDBMS instance cannotaccess the files in the disk group.

Explanation:

QUESTION NO:494

Examine the section of the Health Checkreport given below:

DBMS_HM.GET_RUN_REPORT('HM_RUN_1061')

-----------------------------------------------------------------------

Run Name : HM_RUN_1061

Run Id : 1061

Check Name : Data BlockIntegrity Check

Mode : REACTIVE

Status : COMPLETED

Start Time : 2007-05-1222:11:02.032292 -07:00

End Time : 2007-05-1222:11:20.835135 -07:00

Error Encountered : 0

Source Incident Id :7418

Number of IncidentsCreated :0

Which two statements aretrue regarding the Health Check report? (Choose two.)

A. Health Check was performed manually.

B. Health Check was performed to checkthe disk image block corruptions.

C. Health Check was performed to check interblock andintersegment corruption.

D. Health Check was performed to verify the integrity ofdatabase files and report failures.

E. Health Check was performed by the Health Monitorautomatically in response to a critical error.

Explanation:

QUESTION NO:495

You are working on aCATDB database that contains an Oracle Database version 11.1 catalog schemaowned by the user RCO11. The INST1 database contains an Oracle Database version10.1 catalog schema owned by the user RCAT10.You want the RMAN to importmetadata for database IDs 1423241 and 1423242, registered inRCAT10, into therecovery catalog owned by RCO11. You also want to deregister them from the catalogafter import.

You executed thefollowing commands to achieve this:你正在工作的catdb数据库，包含一个数据库11.1catalog架构（由RCO11拥有）。INST1数据库包含10.1catalog架构（RCAT10）。你想RMAN将1423241和1423242的元数据（注册在RCAT10中）导入到RCO11。你也想在导入后取消注册。

RMAN> CONNECT CATALOG rco11/password@catdb

RMAN> IMPORT CATALOG rcat10/oracle@inst1DBID=1423241,1423242;

What happens if theRCO11 catalog has scripts with the same name as that of the scripts in RCAT10catalog?如果RCO11 catalog有相同的名字的脚本在RCAT10catalog中，什么将发生。

A. The scripts in the RCO11 catalog are overwritten.

B. RMAN renames the local stored scripts in the RCO11catalog.

C. The RMAN session in which the command is executed aborts.

D. RMAN renames the global scripts thatare imported from the RCAT10 catalog.

QUESTION NO:496

You need to configurefine-grained有细密纹理的 access control to external network resourcesfrom within your database. You create an access control list (ACL) using the DBMS_NETWORK_ACL_ADMIN package.你需要去配置较为详细的访问控制到外部网络资源从你的数据库中。你使用DBMS_NETWORK_ACL_ADMIN去创建一个访问控制列表

Which statement is true regarding the ACL created?关于创建的ACL正确的是：

A. It is a list of remote database links stored in the XMLfile that are available to the users of the database.

B. It is a list of users and networkprivileges stored in the XML file according to which a group of users canconnect to one or more hosts.它是一个用户和权限的列表存储在XML文件中，按照用户哪个组可以连接到一个或多个hosts文件。

C. It is a list of users and network privileges stored inthe data dictionary according to which a group of users can connect to one ormore hosts.

D. It is the list of the host names or the IP addressesstored in the data dictionary that can connect to your database through PL/SQLnetwork utility packages such as UTL_TCP.

Explanation:

QUESTION NO:497

Which statement is trueregarding online redefinition for the migration of BasicFile LOBs to SecureFileLOBs?关于在线重定义（从basicfile lobs迁移到securefile lobs）正确的是

A. It cannot be done in parallel.

B. It can be done at the table level orpartition level.

C. It does not require additional storage because theoperation is done online.

D. Local and global indexes are maintained automaticallyduring the operation.

QUESTION NO:498

Which statementdescribes the information returned by the DBMS_SPACE.SPACE_USAGE procedure forLOB space usage?

哪个语句描述信息（通过dbms_space.space_usage过程）的信息（）

A. It returns space usage of only BasicFile LOB chunks.

B. It returns space usage of onlySecureFile LOB chunks.

C. It returns both BasicFile and SecureFile LOB space usagefor only nonpartitioned tables.

D. It returns both BasicFile and SecureFile LOB space usagefor both partitioned and nonpartitioned tables.

QUESTION NO:499

View the Exhibitsexhibit1 and exhibit2.

Both the processes usePROG_1 as the job template that is already available. The time taken by thejobs are recorded in the TEST_LOG table. While comparing the time taken tocreate the jobs, the process in exhibit1 takes less time than the process inexhibit2.

What is the reason forthis?

A. It creates less metadata for thejobs.

B. It creates jobs temporarily in memory only.

C. It writes the job metadata to disk in compressed format.

D. It updates several tables in the SYSTEM tablespaceinstead of creating new tables.

QUESTION NO:500

View the Exhibit toexamine the metrics with a threshold.

Which statement is trueregarding the Number of Transactions (per second) metric?

A. Oracle uses statistical relevance相关性，关联 to determine whenan adaptive threshold has been breached for the metric.

B. The statistics for the metric values observed over thebaseline time period are not examined to determine threshold values.

C. Oracle determines when an adaptive threshold has beenbreached based on the maximum

value captured by thebaseline.

D. The total concurrent number of threshold violations,which must occur before an alert is raised

for the metric, has beenset to zero.

Topic 6,Pool 6

QUESTION NO:501

You performed the RMANdatabase backup having a backupset key number 231 with the KEEP FOREVER option. After some days, you want tochange the status of the database backup and you issued the followingcommand:

RMAN>CHANGE BACKUPSET 231 NOKEEP;你用keep forever选项执行RMAN数据库备份有一个备份集key号为231。一些天之后，你想修改数据库备份的状态，你发起change backupset 231 nokeep.

What is the implicationof this command?

A. The backup is deleted.

B. The backup is marked unavailable.

C. The backup overrides the backup retention policy.

D. the backup becomes eligible合适的 for deletionaccording to the existing retention policy

QUESTION NO:502

View the Exhibit thatsets the threshold for the CurrentOpen Cursors Count metric.

Why is the SignificanceLevel threshold type not available in the threshold setting?

A. because AWR baseline is not enabled

B. because Current Open Cursors Countis not a basic metric

C. because the STATISTICS_LEVEL parameter is set to BASIC

D. because the AWR baseline is a system-defined movingwindow baseline

Explanation:

QUESTION NO:503

Which two statements are true regarding hot patching? (Choose two.)

A. It requires relinking of the Oracle binary.

B. It does not require databaseinstance shutdown.它不要求数据库实例关闭

C. It can detect conflicts between twoonline patches.它可以检测冲突在两个在线补丁之间

D. It is available for installing all patches on allplatforms.

E. It works only in a single database instance environment.

Explanation:

QUESTION NO:504

You are in the processof creating a virtual private catalog in your Oracle Database 11g database.ThePROD1, PROD2, and PROD3 Oracle Database 10g databases are registered in thebase recovery catalog. The database user who owns the base recovery catalog isCATOWNER.

CATOWNER executes thefollowing command to grant privileges to a new user VPC1 using Oracle Database11g RMAN executables:

你正在创建一个虚拟专属catalog的过程中，PROD1，PROD2，PROD3 10g数据库注册在基本的recovery catalog中。数据库用户拥有基础的recovery catalog是catowner。该用户执行下列命令去授权权限给一个新的用户vpc1使用11gRMAN执行：

RMAN> GRANT CATALOG FOR DATABASE prod1, prod2 TO vpc1;

Then you issue thefollowing commands:

RMAN> CONNECT CATALOG vpc1/oracle@catdb;

RMAN> SQL "EXECcatowner.dbms_rcvcat.create_virtual_catalog;"

What is the outcome ofthe above commands?

A. They execute and create a virtualcatalog for pre-Oracle 11g clients.

B. They produce an error because PROD1 and PROD2 databasesbelong to the older version.

C. They produce an error because you need to connect asCATOWNER to execute this packaged procedure.

D. They produce an error because you need to connect to thetarget database to execute this packaged procedure.

Explanation:

QUESTION NO:505

You installed OracleDatabase 11g afresh. Which statements are true regarding the default audit settingsin this database? (Choose all that apply.)

你重新安装11g。哪个语句是正确的，关于默认审计设置？

A. Auditing is enabled for all privileges.

B. Auditing is disabled for all privileges.

C. The audit trail is stored in thedatabase.审计索引存储在数据库中

D. The audit trail is stored in an operating system file.

E. Auditing is enabled for certainprivileges related to database security.与数据库安全相关的权限的审计时开启的。

Explanation:

QUESTION NO:506

The INV_HISTORY table iscreated using the command:

SQL>CREATE TABLE INV_HISTORY

(inv_no NUMBER(3),

inv_date DATE,

inv_amt NUMBER(10,2))

partition by range (inv_date)

interval (numtoyminterval(1,'month'))

(partition p0 values less than (to_date('01-01-2005','dd-mm-yyyy')),

partition p1 values less than(to_date('01-01-2006','dd-mm-yyyy')));

The following data hasbeen inserted into the INV_HISTORY table :

INV_NO INV_DATE INV_AMT

You would like to storethe data belonging to the year 2006 in a single partition and issue the command:

SQL> ALTER TABLE inv_history MERGE PARTITIONS

FOR(TO_DATE('15-feb-2006','dd-mon-yyyy')),FOR(TO_DATE('15-apr-2006'))

INTO PARTITION sys_py;

What would be theoutcome of this command?

A. It executes successfully, and the transition point is setto '1-apr-2006'.

B. It executes successfully, and the transition point is setto '15-apr-2006'.

C. It produces an error because the partitionsspecifiedfor 指定用merging合并的 are not adjacent.邻近的

D. It produces an error because the date values specified inthe merge do not match the date values stored in the table.

Explanation:

QUESTION NO:507

You create a newAutomatic Database Diagnostic Monitor (ADDM) task:

instance_analysis_mode_task.To view the ADDM report, you use the following command:

你创建一个新的ADDM任务：instance_analysis_mode_task。你使用以下命令查看ADDM报告：

SQL> SELECTdbms_addm.get_report('my_instance_analysis_mode_task') FROM dual;

You want to suppress禁止发表 ADDM output relating to相关的 Segment Advisor actions on user SCOTT's segments. What would you do to achievethis?

A. Add a finding directive for the ADDM task.

B. Add a segment directive for the ADDMtask.你添加一个段指令为ADDM任务。

C. Add a parameter directive for the ADDM task.

D. Disable the Segment Advisor from the AutomaticMaintenance Task.

Explanation:

QUESTION NO:508

A PL/SQL procedure过程 queries only those columns of a redefined重新定义的 table that were unchanged by the online tableredefinition. What happens to the PL/SQL procedure after the online table redefinition?

一个Pl/SQL过程查询重定义表中的那些未修改过的列（通过在线表重定义）。在线表重定义之后，在PL/SQL过程中将发生什么？

A. It remains valid.

B. It becomes invalid for all options of online tableredefinition but automatically gets revalidated the next time it is used.

C. It becomes invalid for all options of online tableredefinition and is automatically recompiled during online redefinition of thetable.

D. It becomes invalid only if the storage parameters havebeen modified and it automatically gets revalidated the next time it is used.

QUESTION NO:509

Which dependent objectwill get invalidated even if it is not affected by the table redefinition?甚至在表重定义中没有被影响，哪些以来的对象也将变得失效？

You are managing anOracle Database 11g instance. You want to create a duplicate database for testingpurpose. What are the prerequisites for performing the active databaseduplication?(Choose all that apply.)

你正在管理一个11g实例。你想创建一个复制数据库（为测试目标）。执行活动数据库复制的先决条件是什么？

A. The source database backup must be copied over the netfor test database.

B. The source database must be run inARCHIVELOG mode if the database is open.

C. The source database must be shutdown cleanly if the database is in mounted state.

D. A net service name should be set upand a listener configured with the target as well as the source database.

QUESTION NO:511

An index calledORD_CUSTNAME_IX has been created on the CUSTNAME column in the ORDERS tableusing the following command:

SQL>CREATE INDEXord_custname_ix ON orders(custname);

The ORDERS table isfrequently queried using the CUSTNAMEcolumn in the WHERE clause.You want to check the impact on the performance ofthe queries if the index is not available. You do not want the index to be dropped or rebuilt toperform this test.

Which is the mostefficient method of performing this task?

一个索引叫ORD_CUSTNAME_IX被创建在custname列上（ORDERS表）：

Create indexord_custname_ix on orders(custname);orders表频繁被查询，使用where条件，custname列。你想检查索引失效时，对该查询的影响。你不想索引被dropped或重建执行这个测试。执行这个任务的最有效的方法是：

A. disabling the index

B. making the index invisible

C. making the index unusable

D. using the MONITORING USAGE clause for the index

QUESTION NO:512

Which tasks can beaccomplished using the DBMS_LOB.SETOPTIONS procedure?

A. only encryption and compression settings for allSecureFile LOBs

B. only encryption and deduplication settings for onlySecureFile CLOBs

C. deduplication, encryption, andcompression settings for all SecureFile LOBs两分，加密，压缩设置（为所有securefile lobs）

D. deduplication, encryption, and compression settings onlyfor SecureFile CLOBs

QUESTION NO:513

Which of the followinginformation will be gathered by the

SQL Test Case Builder for the problems pertaining to属于，附和 SQL-related problems? (Choose all that apply.)哪些信息将被收集(通过sqltest case builder)

A. ADR diagnostic files

B. all the optimizer statistics所有优化器统计

C. initialization parameter settings初始化参数设置

D. PL/SQL functions, procedures, and packages

E. the table and index definitions andactual data表和索引定义和实际数据

Explanation:

QUESTION NO:514

You enabled FlashbackData Archive on the INVENTORY table. Which DDL operation is supported on thetable after enablingFlashback Data Archive?

在你启用flashback data archive后，在该表上的哪个DDL是被支持的。

A. Drop the table.

B. Partition the table

C. Truncate the table.

D. Add a column to the table.

E. Rename a column in the table.

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