单选题
You have 100 segments in the USERS tablespace. You get an alert that the USERS tablespace is running low on space. You decide to shrink some segments. Which option would you use to determine which segments to shrink?（）
Segment Advisor
SQL Tuning Advisor
SQL Access Advisor
Segment Resource Estimation
Automatic Database Diagnostic Monitor (ADDM)
单选题
You want to perform the database backup when user activity on your system is low, such as between 12:00 a.m. and 2:00 am. Which command terminates with an error if the backup is not complete at the end of the specified duration?（）
RMAN> BACKUP DURATION 2:00 MINIMIZE LOAD DATABASE
RMAN> BACKUP DURATION 2:00 PARTIAL FILESPERSET 1 DATABASE
RMAN> BACKUP DURATION 2:00 PARTIAL MINIMIZE TIME DATABASE
RMAN> BACKUP AS COPY DURATION 2:00 PARTIAL MINIMIZE LOAD DATABASE
多选题
You need to ensure that the database users should be able to use the various flashback query features in order to go back in time by four hours. What would you do to achieve this?（）
set SQL_TRACE=True
set UNDO_RETENTION=14400
set FAST_START_MTTR_TARGET=240
set LOG_CHECKPOINT_INTERVAL=240
set DB_FLASHBACK_RETENTION_TARGET=14400
set the RETENTION GUARANTEE clause for the undo tablespace
单选题
The system was running a normal workload during the last 24 hours. You need to ensure that with the same workload you should be able to flashback tables by three hours. What would you do to find the system recommendations for the undo retention period and the undo tablespace size?（）
set DB_FLASHBACK_RETENTION_TARGET=10800
create a new scheduler window for the time period of 24 hours and use the optimizer statistics
modify the Automatic Workload Repository (AWR) snapshot time interval to three hours and use ADDMfindings
specify New Undo Retention as three hours and Analysis Time period as Last One Day in the Undo Advisor page and use its recommendations
单选题
You have three production databases, HRDB, FINDB, and ORGDB, that use the same ASM instance. At the end of the day, you execute the following command on the ASM instance to shut down: SQL> shutdown immediate; What is the result of executing this command?（）
All the instances, including the ASM instance, are shut down in the ABORT mode
The ASM instance is shut down, but the other instances are still running
The ASM instance is still functional, but the other instances are shut down
All the instances, including the ASM instance, are shut down in the IMMEDIATE mode.
HRDB, FINDB, and ORGDB instances are shut down in the ABORT mode and the ASM instance is shut down in the IMMEDIATE mode
HRDB, FINDB, and ORGDB instances are shut down in the NORMAL mode and the ASM instance is shut down in the IMMEDIATE mode
单选题
You have 100 segments in the USERS tablespace. You realize that the USERS tablespace is running low on space. You can use Segment Advisor to（）.
add data files to the tablespace
identify the segments that you should shrink
modify the storage parameters for the tablespace
automatically shrink the segments with unused space
check the alerts generated for the tablespace that is running low on space
单选题
You have three temporary tablespace groups named G1, G2, and G3 in your database. You are creating a new temporary tablespace as follows: CREATE TEMPORARY TABLESPACE TEMP1 TEMPFILE /u1/data/temp1.dbf SIZE 10M TABLESPACE GROUP ;Which statement regarding the above command is correct?（）
It will create the tablespace TEMP1 in group G1
It will create the tablespace TEMP1 in group G3
It will not add the tablespace TEMP1 to any group
It will create the tablespace TEMP1 in the default group
It will throw an error with message 'specified group is not available
It will create a new group with a system-generated name and add the tablespace TEMP1 to it.
单选题
An online tablespace, TEST_TBS, is full and you realize that no server-managed tablespace threshold alerts were generated for the TEST_TBS tablespace. What could be the reason, if the TEST_TBS tablespace does not include autoextensible data files?（）
TEST_TBS is a small file tablespace
TEST_TBS is a bigfile tablespace (BFT)
TEST_TBS is the default temporary tablespace
TEST_TBS is a dictionary-managed tablespace
Threshold values for the TEST_TBS tablespace are not explicitly specified
单选题
View the Exhibit and examine the recommendation graph provided for a test database by the Undo Advisor.The graph recommends that the size of undo tablespace should be set to（）.
1 MB
6 MB
10 MB
15 MB
11 MB
单选题
View the Exhibit and examine the highlighted alert. You have received an alert with the Category specified as Snapshot Too Old. Which page would you open from the Advisor Central page to determine the system recommendations to avoid such alerts in future?（）
ADDM
Memory Advisor
Segment Advisor
Undo Management
SQL Tuning Advisor
SQL Access Advisor
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