Oracle OCP考试1Z0-053复习资源

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"这是一份关于Oracle认证考试（OCP）的历史资料，特别是针对1Z0-053考试的复习材料。这份资料由Lead2pass.com提供，并且经过整理上传到CSDN，旨在为学习者提供学习参考。1Z0-053考试的全称为Oracle Database 11g: Administration II，版本号为12.69。" OCP认证，全称Oracle Certified Professional，是Oracle公司提供的一个专业认证，证明持证人在Oracle数据库管理、开发或其他特定领域具备专业技术能力。1Z0-053考试是这个认证过程中的一个重要环节，主要考察考生对Oracle Database 11g第二部分的管理技能，包括但不限于数据库性能优化、安全性配置、备份恢复策略以及高可用性方案等。该资料的提供者Lead2pass.com承诺在购买后的150天内提供免费更新，确保考生能够获取最新的考试信息。他们建议考生在考试前2-3天再次检查更新的产品，以确保准备充分。此外，他们重视客户反馈，鼓励用户提出建议和问题，设有专门的技术支持团队在24小时内回应。资源中提到的"重要通知"强调了产品的使用规定，每个订单的产品都有独立的加密代码，这意味着使用者不能擅自修改内容，否则可能面临法律惩罚。这保护了资料的版权，同时也确保了学习内容的完整性和权威性。通过这份资料，备考OCP 1Z0-053考试的学员可以系统地学习Oracle Database 11g的管理知识，包括但不限于以下关键知识点： 1. 数据库安装与配置：了解如何在不同操作系统上安装Oracle数据库，以及配置数据库实例。 2. 性能监控与调优：学习使用Oracle的性能分析工具，如SQL*Plus、DBMS Monitor、AWR报告等，来诊断并优化数据库性能。 3. 安全管理：掌握Oracle的权限控制、审计机制，以及用户和角色管理。 4. 数据备份与恢复：理解RMAN（Recovery Manager）的使用，包括全库备份、增量备份、恢复操作等。 5. 高可用性技术：学习RAC（Real Application Clusters）、Data Guard等高可用性解决方案的配置和管理。 6. 故障排查：学习如何解决数据库运行中遇到的各种问题，如死锁、资源争抢等。考生在备考过程中，不仅要熟读这份资料，还应结合实际操作练习，提升理论知识与实践技能的结合。同时，及时关注Oracle官方更新，以适应考试可能的变化。通过这样的学习，考生将有更大把握通过OCP 1Z0-053考试，从而进一步提升自己的Oracle数据库管理能力。

In which situations will the ASM metadata backup help you recover the ASM disk in a disk group?

(Choose all that apply.)

when one or more file directory paths are accidentally deleted from an ASM disk group

when one of the disks in a disk group is accidentaly unplugged

when the data file on an ASM disk group gets corrupted

when one or more disks in an ASM disk group are lost

Answer: AD

QUESTION 43

Which two are the prerequisites to enable Flashback Data Archive? (Choose two.)

Database must be running in archivelog mode.

Automatic undo management must be enabled.

Undo retention guarantee must be enabled.

The tablespace on which the Flashback Data Archive is created must be managed with Automatic

Segment Space Management (ASSM).

Answer: BD

QUESTION 44

In your database, the RESULT_CACHE_MODE parameter has been set to MANUAL in the

initialization parameter file. You issued the following command:

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

FROM sales

GROUP BY sale_category;

Where would the result of this query be stored?

database buffer cache

shared pool

PGA

large pool

Answer: B

QUESTION 45

You need to perform an online table redefinition of an existing SALES table to partition it into two

tablespaces TBS1 and TBS2. The SALES table has a materialized view, materialized log, indexes,

referential integrity constraint, and triggers with the PRECEDES clause existing on it. What action

is required for dependent objects when you perform online table redefinition?

The dependent materialized view should have a complete refresh performed after the online table

redefinition process.

Triggers with the PRECEDES clause should be disabled before the online table redefinition process.

Referential integrity constraints must be manually enabled after the online table redefinition process.

The materialized log should be dropped before the online table redefinition process.

Oracle 1Z0-053 Exam

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compressed backup sets and image copies.

Using this command to create backups minimizes the bandwidth consumed

Using this command to create backups improves the performance of the backup process

Answer: C

QUESTION 50

You have enabled backup optimization in RMAN. You issue the following RMAN command to

configure a redundancy-based retention policy:

CONFIGURE RETENTION POLICY TO REDUNDANCY 3;

Which statement is true?

The command fails because you cannot configure a redundancy-based retention policy when

backup optimization is enabled

Backup optimization is performed, but RMAN considers the redundancy-based retention policy

when it determines which datafiles should be backed up

Backup optimization is permanently disabled

Backup optimization is temporarily disabled because a redundancy-based retention policy is specified

Answer: B

QUESTION 51

Which statements about the MEMORY_TARGET initialization parameter are true? (Choose all

that apply.)

MEMORY_TARGET can be increased up to the value of MEMORY_MAX_TARGET,

if MEMORY_MAX_TARGET is set to a value greater than zero

MEMORY_MAX_TARGET defaults to a value of zero if MEMORY_TARGET is not set

MEMORY_TARGET represents the total amount of memory that can be allocated to SGA and PGA

memory structures.

MEMORY_TARGET is static and cannot be modified without shutting down the instance

Answer: ABC

QUESTION 52

You are performing incomplete recovery using RMAN. You execute the following RUN block:

RUN { SET UNTIL SCN 1107600; RESTORE DATABASE; RECOVER DATABASE; }

Which statement is true about the result?

RMAN restores all datafiles from the most recent backup available since the failure and applies the

redo logs necessary to recover the database to SCN 1107600

RMAN restores all datafiles needed to restore the database through SCN 1107599 and applies the

redo logs necessary to recover the database through SCN 1107599.

RMAN restores all datafiles and control files from the most recent backup

The RUN block fails because you did not specify an UNTIL clause in your RECOVER DATABASE

command

Oracle 1Z0-053 Exam

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