1Z0-055 | A Review Of Vivid 1Z0-055 exam
Q1. Evaluate the following command:
SQL> CREATE TABLE design_data (id NUMBER,
doc CLOB)
LOB(doc) STORE AS SECUREFILE(DEDUPLICATE);
Which statement is true regarding the above command?
A. The LOB values are automatically compressed.
B. The LOB values are cached by default in the buffer cache.
C. The LOB values are automatically stored in encrypted mode.
D. All LOB data that is identical in two or more rows in a LOB column share the same data blocks.
Answer: D
Q2. You run the SQL Tuning Advisor (STA) to tune a SQL statement that is part of a fixed SQL plan baseline. The STA generates a SQL profile for the SQL statement, which recommends that you accept the profile. Which statement is true when you accept the suggested SQL profile?
A. The tuned plan is not added to the SQL plan baseline.
B. The tuned plan is added to the fixed SQL plan baseline as a fixed plan.
C. The tuned plan is added to the fixed SQL plan baseline as a nonfixed plan.
D. The tuned plan is added to a new nonfixed SQL plan baseline as a nonfixed plan.
Answer: C
Q3. You performed an incomplete recovery and opened the database with the RESETLOGS option. The LOG_ARCHIVE_FORMAT parameter is set to 'ora_%t_%s_%r.log'. Which statement regarding the archived redo log files, created in an earlier incarnation of the database, is true?
A. The archived redo log files will be overwritten.
B. The archived redo log files are deleted automatically.
C. The archived redo log files should be moved to some other location.
D. The archived redo log files are still maintained because the file names are unique.
Answer: D
Q4. Which are the prerequisites for performing flashback transactions on your database? (Choose all that apply.)
A. Supplemental log must be enabled.
B. Supplemental log must be enabled for the primary key.
C. Undo retention guarantee for the database must be configured.
D. Execute permission on the DBMS_FLASHBACK package must be granted to the user.
Answer: A,B,D
Q5. The Oracle Database 11g database is running in the ARCHIVELOG mode. The archived redo log files are stored on three locations. The Flash Recovery Area is one of the locations. The details are given below:
LOG_ARCHIVE_DEST_1 = 'LOCATION = /disk1/archive'
LOG_ARCHIVE_DEST_2 = 'SERVICE = stdb1'
DB_RECOVERY_FILE_DEST = '/u01/oradata'
Examine the following RMAN command issued to set the deletion policy for archived log files:
RMAN> CONFIGURE ARCHIVELOG DELETION POLICY
TO BACKED UP 2 TIMES TO sbt;
Which statement is true regarding what this command accomplishes?
A. All archived redo log files backed up at least twice to tape are deleted.
B. All archived redo log files backed up at least once to tape are eligible for deletion.
C. All archived redo log files backed up at least twice to tape are deleted from the flash recovery area.
D. All archived redo log files in local archiving destinations and the flash recovery area backed up at least twice to tape are eligible for deletion.
Answer: D
Q6. Which two statements are true regarding the Automatic Diagnostic Repository (ADR) in Oracle Database 11g? (Choose two.)
A. A single ADR can support multiple ADR homes for different database instances.
B. The alert files are stored in XML file format in the TRACE directory of each ADR home.
C. If the environmental variable ORACLE_BASE is set, then DIAGNOSTIC_DEST is set to $ORACLE_BASE.
D. The BACKGROUND_DUMP_DEST initialization parameter overrides the DIAGNOSTIC_DEST initialization parameter for the location of the alert log file.
Answer: A,C
Q7. The application tables owned by the user TEST in a test database need to be exported to the APPS schema in the production database by using Data Pump. Which option of Data Pump Import would you use to accomplish this?
A. owner
B. touser
C. attach
D. remap_schema
Answer: D
Q8. Which three statements about performance analysis by SQL Performance Analyzer are true? (Choose three.)
A. It detects changes in SQL execution plans.
B. It produces results that can be used to create the SQL plan baseline.
C. The importance of SQL statements is based on the size of the objects accessed.
D. It generates recommendations to run SQL Tuning Advisor to tune regressed SQL statements.
E. It shows only the overall impact on workload and not the net SQL impact on workload.
Answer: A,B,D
Q9. You want to convert your existing non-ASM files to ASM files for the database PROD. Which method or command would you use to accomplish this task?
A. Data Pump Export and Import
B. conventional export and import
C. the CONVERT command of RMAN
D. the BACKUP AS COPY.. command of RMAN
Answer: D
Q10. You are managing an Oracle Database 11g instance with ASM storage. The ASM instance is down. To know the details of the disks in the DATA disk group, you issued the following ASMCMD command:
ASMCMD> lsdsk -I -d DATA
Which statement is true regarding the outcome of this command?
A. The command succeeds but it retrieves only the disk names.
B. The command produces an error because the ASM instance is down.
C. The command succeeds but it shows only the status of the ASM instance.
D. The command succeeds and retrieves information by scanning the disk headers based on an ASM_DISKSTRING value.
Answer: D