[不定项选择题]应急预案应（）演练。
A.定期组织
B.很少
C.频繁
D.不定期
E.以上都对

[不定项选择题]应急预案演练后要进行（）。
A.评估
B.监测
C.监控
D.测试
E.以上都对

[不定项选择题]应急工作原则（ ）。
A.以人为本、减少危害
B.安全第一、预防为主
C.统一指挥、快速反应
D.各司其职、协同配合

[不定项选择题]各级应急队伍的日常训练应做好记录，包括文字记录和影像记录，并归档保存，保存时间不少于（）年。
A.半年
B.2年
C.3年
D.4年
E.以上都对

[不定项选择题]运营公司应急预案分别是（ ）。
A.综合应急预案
B.专项应急预案
C.现场处置方案
D.现场应急预案

[不定项选择题]运营线路应急点按照（ ）三级应急体系设置，确保突发故障情况下，应急人员能够快速到达现场、合理有效处置故障、减少运营影响。
A.应急抢险基地
B.应急值守点
C.车辆段
D.车站

[不定项选择题]应急管理是一个动态的过程，包括四个阶段。（）
A.准备、预防、响应和恢复
B.准备、响应、恢复和预防
C.准备、响应、预防和恢复
D.预防、准备、响应和恢复
E.以上都对

[不定项选择题]运营公司专业应急抢险队伍按专业设置有（ ）等。
A.车辆
B.AFC
C.机电
D.后勤

[不定项选择题]公司Ⅲ级防汛应急抢险的启动条件有（ ）。
A.车辆段（停车场）、调度指挥中心大楼等处出现多处进水，需立即关闭部分设备或对重要物资、材料进行转移
B.轨行区发现有积水已漫过道床
C.发生塌方、泥石流等汛灾，对地铁建筑物、线路、设备产生较大影响，危及人员、行车安全
D.设备房出现大量积水，已影响行车设备的正常运行

[不定项选择题]下列地点哪些为一类应急处置基地（ ）。
A.红花堰车辆段
B.红星路停车场
C.洪柳车辆段
D.红光停车场

[单选题]应急预案应 ( )演练。
A.定期组织
B.很少
C.频繁
D.不定期

[不定项选择题]制定和实施事故应急救援预案，对一个单位非常重要。事故应急救援预案制定出来后，要发到()。
A.每个班组
B.工会
C.安全部门
D.每个部门
E.以上都对

[不定项选择题]任何单位和个人不得（）有关突发事件事态发展或者应急处置工作的（）。
A.编造
B.传播
C.虚假信息
D.造谣
E.以上都对

[不定项选择题]Which statement describes the significance of the CHANGE FAILURE

Command in RMAN? (Choose all that apply.) choose two

A.

It is used to change failure priority only for HIGH or LOW priorities.

B.

It is used to execute the advised repair script.

C.

It is used to change failure priority only for the CRITICAL priority.

D.

It is used to explicitly close the open failures.

E. It is used to inform the database about the repair after the repair script
Executes.

[不定项选择题]The persistent configuration settings for RMAN have default for all

Parameters. 

Identify four RMAN commands that produce a multi-section Backup.

A.

BACKUP TABLESPACE SYSTEM SECTION SIZE 100M;

B.

BACKUP AS COPY TABLESPACE SYSTEM SECTION SIZE 100M;

C.

BACKUP ARCHIVELOG ALL SECTION SIZE 25M;

D.

BACKUP TABLESPACE "TEMP" SECTION SIZE 10M;

E. BACKUP TABLESPACE "UNDO" INCLUDE CURRENT CONTROLFILE SECTION
SIZE 100M;
F. BACKUP SPFILE SECTION SIZE 1M;
G. BACKUP INCREMENTAL LEVEL 0 TABLESPACE SYSAUX SECTION SIZE 100M;

[不定项选择题]凸轮分为（）。
A.盘形凸轮
B.平面凸轮
C.移动凸轮
D.靠模板
E.圆柱凸轮

[不定项选择题]Examine the command for creating pluggable database PDB2 in

Container database CDB2.

Select three options, any one of which is required for it to execute

Successfully. (Choose three.)

A. Add the FILE_NAME_CONVERT clause to the statement and set the
PDB_FILE_NAME_CONVERT
Parameter.
B. Add only the CREATE_FILE_DEST clause to the statement.
C. Set only the PDB_FILE_NAME_CONVERT parameter.
D. Set the PDB_FILE_NAME_CONVERT parameter and enable OMF.
E. Enable only OMF.
F. Add the FILE_NAME_CONVERT clause to the statement and enable Oracle
Managed Files (OMF)

[不定项选择题]Automatic Shared Memory Management is disabled for one of your

Database instances. Some SQL statements perform poorly due to excessive

Hard parse activity, thereby degrading performance. 

What would be your Next step?  one

A.

Run the SQL Access Advisor.

B.

Run the Memory Advisor for the shared pool.

C.

Run the SQL Tuning Advisor.

D.

Run the Memory Advisor for the Program Global Area.

E.

Run the Memory Advisor for the System Global Area.

[不定项选择题]After implementing full Oracle Data Redaction, you change the default

Value for the NUMBER data type as follows:

SQL> select number_value from REDACTION_VALUES_FOR_TYPE_FULL;

NUMBER_VALUE

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

0

SQL> exec DBMS_REDACT.UPDATE_FULL_REDACTION_VALUES(-1);

SQL> select number_value from REDACTION_VALUES_FOR_TYPE_FULL;

NUMBER_VALUE

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

-1

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.

[不定项选择题]In a recent Automatic Workload Repository (AWR) report for your

Database, you notice a high number of buffer busy waits. The database

Consists of locally managed tablespaces with free list managed segments.

On further investigation, you f ind that buffer busy waits is caused by

Contention on data blocks.

Which option would you consider first to decrease the wait event

Immediately?

A.

Decreasing PCTUSED

B.

Decreasing PCTFREE

C.

Increasing the number of DBWN process

D.

Using Automatic Segment Space Management (ASSM)

E. Increasing db_buffer_cache based on t he V$DB_CACHE_ADVICE
Recommendation