1z0-053 Oracle 11g Administration II: Partitioning and ASM Practice Questions

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"Oracle 11g 1z0-053 题库主要涉及数据库管理的高级主题，特别是Oracle Database 11g Administration II 的考试。本题库针对那些希望通过考试并提升在 Oracle 11g 环境下数据库管理员技能的考生设计。其中一道题目关注了数据库架构和ASM（Automatic Storage Management）的概念。第一题涉及到了表分区的操作。考生被要求处理`INV_HISTORY`表，该表使用特定命令创建，并包含了2006年的数据。题目要求将属于2006年的数据合并到两个分区，即从'15-feb-2006'到'15-apr-2006'。正确的选项是C，因为指定合并的分区不是相邻的，这会导致错误。这意味着命令执行时会失败，因为Oracle不支持非连续分区的合并。第二题则涉及到DATA ASM磁盘组的维护操作，具体任务是验证磁盘的一致性和检查所有文件扩展映射。这表明考生需要理解如何确保ASM组件的正确性和数据完整性，以及在进行磁盘组维护时可能遇到的问题。通过这些问题，学习者可以了解到Oracle 11g管理员需要掌握的知识点，如数据库分区策略、存储管理的最佳实践、数据一致性检查等。对于准备参加1z0-053考试的人员来说，理解和解决这类问题不仅有助于理论知识的增长，还能提高应对实际工作场景的能力。复习题库中的这些题目是备考过程中的关键部分，可以帮助考生熟悉考试格式和难度，从而提高通过率。"

Explanation:

The key point is PENDING.

QUESTION NO: 24

A database instance is using an Automatic Storage Management (ASM) instance, which has a

disk group, DGROUP1, created as follows:

SQL> CREATE DISKGROUP dgroup1 NORMAL REDUNDANCY

FAILGROUP controller1 DISK '/devices/diska1', '/devices/diska2'

FAILGROUP controller2 DISK '/devices/diskb1', '/devices/diskb2';

What happens when the whole CONTROLLER1 Failure group is damaged?

A. The transactions that use the disk group will halt.

B. The mirroring of allocation units occurs within the CONTROLLER2 failure group.

C. The data in the CONTROLLER1 failure group is shifted to the CONTROLLER2 failure group

and implicit rebalancing is triggered.

D. The ASM does not mirror any data and newly allocated primary allocation units (AU) are stored

in the CONTROLLER2 failure group.

Answer: C

Explanation:

QUESTION NO: 25

Your database instance is running. You are not able to access Oracle Enterprise Manager

Database Control because the listener is not started.

Which tool or utility would you use to start the listener?

A. Oracle Net Manager

B. Listener Control utility

C. Database Configuration Assistant

D. Oracle Net Configuration Assistant

Answer: B

Oracle 1z0-053 Exam

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