1z0-042 Exam

免费下载 1z0-042 认证考题Demo

下载 1z0-042 PDF 认证考试题库
考试引擎下载

选择 pass4side 1z0-042 题库

1z0-042 考试是 Oracle 公司的 oracle database 10g:administration i 认证考试官方代号，pass4side 的 1z0-042 权威考试题库软件是 Oracle 认证厂商的授权产品，pass4side 绝对保证第一次参加 1z0-042 考试的考生即可顺利通过，否则承诺全额退款！

1、Pass4Side考题大师1z0-042试题都是考试原题的完美组合，覆盖率95％以上，答案由多位专业资深讲师原版破解得出，正确率100％，只要您使用本站的考试题库参加1z0-042 考试，我们保证您一次轻松通过考试；

2、售后服务第一！我们相信要想在当今时代取得成功，必须为广大用户提供全套的周到细致的全程优质售后服务，只有客户满意了，我们才能发展。客户至上是我们Pass4Side考题大师的一贯宗旨；

3、Pass4Side实行“一次不过全额退款”承诺。如果您购买我们1z0-042的考题，只要不是首次通过，凭盖有PROMETRIC或VUE考试中心钢印的考试成绩单，我们将退还您购买1z0-042考题大师的全部费用，绝对保证您的利益不受到任何的损失；

4、本站1z0-042题库根据1z0-042考试的变化动态更新，在厂家考题每次发生变化后，我们承诺2天内更新1z0-042题库。在您购买我们的产品之后，我们将提供90天的免费更新。确保1z0-042考题的覆盖率始终都在95％以上；我们提供2种 1z0-042 考题大师版本供你选择。

5、软件版本1z0-042 考试题库
优点：具有学习模式，测试模式，线上自动升级
缺点：仅限固定电脑使用，不可打印为文本，只能PC阅读

6、PDF 格式1z0-042 考试题库(部分最新更新科目已不提供PDF)
优点：不需下载安装软件，方便用户打印和携带，但也带来了可随意制的弊端，因此我们提醒用户不得随意公开或出售本站的1z0-042题库，一经发现立即取消其升级资格，且不予退款。
缺点：不具备测试模式，通过查看 pass4side.cn网站及查收我们的更新E-MAIL获取更新信息。
　
　
Exam : Oracle 1Z0-042
Title : Oracle Database 10g: Administration I


1. Which two statements regarding the LOGGING clause of the CREATE TABLESPACE. .. statement are correct? (Choose two.)
A. This clause is not valid for a temporary or undo tablespace.
B. If the tablespace is in the NOLOGGING mode, no operation on the tablespace will generate redo.
C. The tablespace will be in the NOLOGGING mode by default, if not specified while creating a tablespace.
D. The tablespace-level logging attribute can be overridden by logging specifications at the table, index, materialized view, materialized view log, and partition levels.
Answer: AD

2. In your Oracle 10g database , you have scheduled a job to update the optimizer statistics at 05:00 pm every Friday. The job has successfully completed. Which three pieces of information would you check to confirm that the statistics have been collected? (Choose three.)
A. average row size
B. last analyzed date
C. size of table in bytes
D. size of table in database blocks
E. number of free blocks in the free list
F. number of extents present in the table
Answer: ABD

3. Which step do you need to perform to enable a user with the SYSDBA privilege to log in as SYSDBA in iSQL*Plus?
A. The user must be granted the database administrator (DBA) privilege.
B. The user must be listed in the password file for the authentication.
C. No special setup is needed for the user to connect as SYSDBA in iSQL*Plus.
D. Set up a user in the Oracle Application Server Containers for J2EE (OC4J) user manager, and grant the webDba role to the user.
Answer: D

4. You executed the following command to export the EMPLOYEES table from a remote machine:
$ EXPDP hr/hr@data.us.oracle.com
DUMPFILE=my_dir:exp_hr.log
LOGFILE=data_pump_dir:log_hr.log
TABLES=employees
What would be the outcome of this command?
A. The command would execute successfully and the export dump file would be created in the destination of the directory object MY_DIR.
B. The command would execute successfully. But log file would not be created as DATA_PUMP_DIR directory is only accessible to user with SYSDBA privilege.
C. The command fails with an error because DATA_PUMP_DIR directory have higher precedence over the per-file directory.
D. The command fails with an error because no absolute path is specified for log file and dumpfile.
Answer: A

5. You are in the middle of a transaction and very crucial data has been modified. Because of a hardware failure, the instance has shut down before synchronizing all the database files.
Which two statements are true? (Choose two.)
A. On startup, SMON coordinates instance recovery.
B. On startup, CKPT coordinates instance recovery.
C. On startup, use RMAN to perform instance recovery.
D. Uncommitted changes will be rolled back after the database is opened.
E. On startup, perform media recovery and then instance recovery.
F. On startup, all the files will be synchronized and you get both committed and uncommitted data.
Answer: AD

6. Which two statements are true about the primary key constraint in a table? (Choose two.)
A. It is not possible to disable the primary key constraint.
B. It is possible to have more than one primary key constraint in a single table.
C. The primary key constraint can be referred by only one foreign key constraint.
D. The primary key constraint can be imposed by combining more than one column.
E. The non-deferrable primary key constraint creates an unique index on the primary key column if it is not already indexed.
Answer: DE

7. You want the user APP_DBA to administer the Oracle database from a remote machine. APP_DBA is granted the SYSDBA privilege to perform administrative tasks on the database.
Which file is used by the Oracle database server to authenticate APP_DBA?
A. control file
B. password file
C. listener controller file
D. control file and password file
Answer: B

8. You are using the backup scheduler in Enterprise Manager (EM) to schedule a backup of your database.
Which type of script does the backup scheduler generate?
A. SQL script
B. PL/SQL script
C. Operating System (OS) script
D. Enterprise Manager (EM) script
E. Recovery Manager (RMAN) script
Answer: E