[Nov 01, 2022] 100% Pass Guarantee for 1Z1-083 Dumps with Actual Exam Questions
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NEW QUESTION 148
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?
- A. Run the SQL Access Advisor.
- B. Run the Memory Advisor for the System Global Area.
- C. Run the Memory Advisor for the shared pool.
- D. Run the SQL Tunning Advisor.
- E. Run the Memory Advisor for the Program Global Area.
Answer: C
NEW QUESTION 149
Choose four. Which four are true about performing Tablespace Point-In-Time Recovery (TSPITR) using Recovery Manager (RMAN)?
- A. It can be performed repeatedly until the correct time is found without using an RMAN catalog. E)RMAN always includes tablespaces containing UNDO segments in the recovery set.
- B. RMAN automatically adds any required tablespaces to the recovery set to make it selfcontained. G) FLASHBACK DATABASE must be enabled for it to work. H) It can be used to recover a dropped
- C. It can be performed using an auxiliary instance managed by RMAN.
- D. It can be performed using an auxiliary instance managed by a DBA.
- E. It can be used to recover a truncated table.
Answer: C,E
Explanation:
tablespace.
NEW QUESTION 150
Which three are true about an application seed pluggable database (PDB)? (Choose three.)
- A. It is automatically synchronized with its application root PDB when an application is installed.
- B. It cannot be dropped from its application container.
- C. It is automatically synchronized with its application root PDB when an application is upgraded. B)It cannot be added to an application container after the application container has already been created.
- D. A new application PDB created by cloning an application seed PDB can have an up-to-date version of the application installed after cloning completes.
- E. It is not required in an application container.
- F. A new application PDB created by cloning an application seed PDB can have an old version of the application installed after cloning completes.
Answer: A,E
NEW QUESTION 151
While backing up to an SBT channel, you determine that the read phase of your compressed Recovery Manager (RMAN) incremental level 0 backup is a bottleneck.
FORCE LOGGING is enabled for the database.
Which two could improve read performance? (Choose two.)
- A. Disable FORCE LOGGING for the database.
- B. Increase the level of RMAN multiplexing.
- C. Enable asynchronous disk I/O.
- D. Increase the size of tape I/O buffers.
- E. Increase the size of the database buffer cache.
Answer: B,C
NEW QUESTION 152
Choose the best answer. Which should be tuned first when doing a performance tuning exercise for an Oracle Database environment?
- A. SQL statements
- B. database instance memory management and sizes
- C. general operating system health
- D. log writer performance
- E. database writer performance
Answer: B
NEW QUESTION 153
Which two are true about SQL Performance Analyzer (SPA)? (Choose two.)
- A. It offers fine-grained analysis of all the SQL statements in the analysis task as a group.
- B. It predicts the impact of system changes on SQL workload response time.
- C. It provides before and after execution statistics for each SQL statement in the analysis task
- D. It is integrated with the SQL Access Advisor.
- E. SQL statements that were originally run concurrently are run concurrently by SPA.
Answer: A,B
Explanation:
Explanation/Reference: https://www.oracle.com/technetwork/database/manageability/spa-ow09-131455.pdf (4)
NEW QUESTION 154
Which two are true about common objects? (Choose two.)
- A. They can exist in user-defined schemas only in application containers.
- B. They can be extended data-linked in CDB$ROOT.
- C. They can exist in CDB$ROOT and an application root.
- D. They can be created only in CDB$ROOT.
- E. They can be created only in an application root.
- F. They can be only metadata-linked in an application container.
Answer: C
NEW QUESTION 155
Which three are true? (Choose three.)
- A. Application-common Oracle Label Security (OLS) policies cannot be created in an application root outside an install/patch BEGIN-END block.
- B. Unified auditing can be automatically synchronized to all application PDBs in an application container.
- C. Fine-grained auditing (FGA) policies in an application root are automatically synchronized to all application PDBs contained in the application container.
- D. Application-common OLS policies can be created in an application root inside an install/patch BEGIN-END block.
- E. Application-common Transparent Security Data Protection (TSDP) policies can be created only within an application install/patch BEGIN-END block.
- F. Virtual Private Database (VPD) policies on objects in an application root are automatically synchronized with all application PDBs contained in the application container.
- G. Application-common TSDP policies are always container specific.
Answer: B,E,F
NEW QUESTION 156
A user complains about poor database performance.
You want to verify if the user's session has waited for certain types of I/O activity. Which view displays all waits waited on by a session at least once?
- A. V$SESSION_EVENT
- B. V$SESSION_WAIT_CLASS
- C. V$SESSION_WAIT
- D. V$SESSION
- E. V$SESSTAT
Answer: A
NEW QUESTION 157
Choose three. Which three are performed by Oracle Automatic Storage Management (ASM) instances?
- A. managing extent allocation for Oracle database segments
- B. managing space allocation for Oracle ASM files
- C. mounting disk groups
- D. acting as an I/O server to read data file blocks from ASM disks on behalf of database server processes
- E. acting as an I/O server to write data file blocks to ASM disks on behalf of Database Writer processes (DBWn)
- F. managing Allocation Units (AUs) for disk group content
Answer: B,C,F
NEW QUESTION 158
Which three are true about thresholds, metrics, and server-generated alerts? (Choose three.)
- A. They are generated by SMON when a tablespace is 97% full.
- B. Metrics are statistical counts for a specific unit.
- C. All metrics are instance related.
- D. STATISTICS_LEVEL must be set to ALL to generate alerts.
- E. A space usage management alert is automatically cleared after the underlying problem is resolved.
- F. Cleared stateful alerts are displayed by querying DBA_ALERT_HISTORY.
Answer: B,E,F
NEW QUESTION 159
Examine these queries and their output:
After a system crash, an instance restart and an attempted opening of the PDBs result in:
Which two are true?
- A. Data file 24 cannot be recovered while the CDB is opened.
- B. Data file 24 must be recovered while PDB2 is closed.
- C. Data file 24 must be recovered while the CDB is opened.
- D. Data file 24 can be recovered while CDB$ROOT and PDB$SEED are opened.
- E. Data file 24 can be recovered while PDB2 is opened.
Answer: D,E
NEW QUESTION 160
Choose the best answer. Examine this configuration: 1. CDB1 is an Oracle Database 12c Release 2 container database (CDB). 2. PDB1 and PDB2 are two pluggable databases (PDBs) in CDB1. After successfully performing all the preupgrade tasks, you execute these commands from the Oracle Database 18c environment: $ export ORACLE_SID=cdb1 $ sqlplus / as sysdba SQL> STARTUP UPGRADE; SQL> SHOW pdbs CON_ID CON_NAME OPEN MODE RESTRICTED ---------------------------------------------------------------2 PDB$SEED 3 PDB1 4 PDB2 MIGRATE YES MOUNTED YES MOUNTED YES SQL> ALTER PLUGGABLE DATABASE pdb1 OPEN UPGRADE; Pluggable database altered. SQL> exit $ $ORACLE_HOME/perl/bin/perl catctl.pl -C 'PDB2' What is the outcome?
- A. It fails because PDB$SEED is in MIGRATE state.
- B. Only CDB$ROOT, PDB$SEED, and PDB2 are upgraded.
- C. Only CDB$ROOT, PDB$SEED, and PDB1 are upgraded.
- D. Only CDB$ROOT and PDB$SEED are upgraded.
- E. It fails because PDB2 is not in UPGRADE state.
- F. CDB$ROOT, PDB$SEED, PDB1, and PDB2 are upgraded.
Answer: E
NEW QUESTION 161
Which two are true about RMAN backups when using a media manager to write backups to tape when there are only two tape drives? (Choose two.)
- A. SBT tape compression and RMAN backup compression should be used in parallel.
- B. SBT tape compression can be used even if no RMAN compression is configured.
- C. The SBT device should be configured to use PARALLELISM 2 to allow both tape drive to be used simultaneously.
- D. Any backup written to the SBT device in this configuration can contain a maximum of two backup sets.
- E. Any backup set written to the SBT device in this configuration can contain a maximum of two backup pieces.
Answer: A,C
NEW QUESTION 162
In your Database, the TBS PERCENT USED parameter is set to 60 and the TBS PERCENT FREE parameter is set to 20. Which two storage-tiering actions might be automated when using information Lifecycle Management (ILM) to automate data movement?
- A. Settingthetargettablespacetoread-only
- B. The movement of some segments to a target tablespace with a higher degree of compression, on a different storage tier, when the source tablespace exceeds TBS PERCENT USED
- C. The movement of all segments to a target tablespace with a higher degree of compression, on a different storage tier, when the source tablespace exceeds TBS PERCENT USED
- D. Setting the target tablespace offline
- E. The movement of some blocks to a target tablespace with a lower degree of compression, on a different storage tier, when the source tablespace exceeds TBS PERCENT USED Correct
Answer: A,B
NEW QUESTION 163
Examine this configuration:
1. CDB1 is a container database.
2. COMM0N_USER_PREFIX IS C##.
3. PDB1 is a pluggable database contained in CDB1.
4. APP1_ROOT is an application container contained in CDB1.
5. APP1_PDB1 is an application PDB contained in APP1_ROOT.
You execute these commands successfully:
Which two are true?
- A. app1_user1 can have different privileges in each Application PDB contained in app1_root.
- B. app1_user1 can be created in cdb1.
- C. c##_app_user1 can be created in cdb1.
- D. c##_user1 will have the same privileges and roles granted in all PDBs in cdb1.
- E. p1_user1 can be created in cdb1.
- F. app1_user1 can be created in pdb1.
Answer: A,F
NEW QUESTION 164
For which two requirements can you use the user_tablespaces clause with the create pluggable database command?
- A. to exclude all tablespaces except system, sysaux, and temp when plugging in a PDB
- B. to specify a default tablespace in a PDB cloned from another PDB in the same CDB
- C. to specify the list of user tablespaces to include when moving a non-CDB to a PDB
- D. to specify the list of tablespaces to include when creating a PDB from the CDB seed
- E. to exclude a temp tablespace when plugging in a PDB
- F. to include specific user tablespaces only when relocating a PDB
Answer: C,F
NEW QUESTION 165
Which three methods can be used for heap table data migration after upgrading a database? (Choose three.)
- A. using Database Replay
- B. using the CREATE TABLE AS SELECT SQL statement
- C. using operating system file copy utilities
- D. using Database Upgrade Assistant
- E. using Oracle Data Pump
- F. using SQL Developer
Answer: B,D,E
Explanation:
Explanation
https://www.oracle.com/a/tech/docs/twp-upgrade-oracle-database-19c.pdf
NEW QUESTION 166
Which two are true about Oracle Database Configuration Assistant (DBCA) templates? (Choose two.)
- A. The Data Warehouse template is most suitable when transaction response time is the key criterion.
- B. The General Purpose of Transaction Processing templates are most suitable when concurrency and recoverability are key criteria.
- C. Oracle DBCA templates can store only logical structure and not database files.
- D. New templates can only be created by modifying an existing user-created template.
- E. Oracle DBCA templates can be used to create new databases and duplicate existing databases.
Answer: B,E
NEW QUESTION 167
Choose three. In a single-instance, multitenant container database (CDB), which three are only ever defined in or part of CDB$ROOT?
- A. mandatory Oracle-supplied PL/SQL packages
- B. control files
- C. user-defined PL/SQL packages
- D. all data dictionary metadata
- E. undo tablespaces
- F. temporary tablespaces
- G. redo logs
Answer: B,D,G
NEW QUESTION 168
Which three are true in Oracle 19c and later releases? (Choose three.)
- A. Unified Auditing can be configured to audit only events that are issued indirectly by an audited user.
- B. If the password file location changes, then the new location is used automatically by the Oracle Server.
- C. Privilege Analysis is included in Oracle Enterprise Edition and no longer requires Database Vault.
- D. Schema Only accounts can be granted administrator privileges.
- E. Unified Auditing can be configured to audit only events that are issued directly by an audited user.
- F. All the Oracle-supplied accounts are Schema Only accounts.
Answer: C,D,F
Explanation:
Reference:
https://mandysandhu.com/2018/04/30/oracle-database-18c-schema-only-accounts/
NEW QUESTION 169
Choose the best answer. Examine this configuration:
1. CDB1 is a container database.
2. There are several pluggable databases (PDBs) in CDB1.
5. Each PDB has several tables with referential integrity constraints.
6. FLASHBACK DATABASE is ON.
7. UNDO RETENTION GUARANTEE is enabled.
Multiple undesired multitable changes were made in all the PDBs.
Which method can be used to undo the changes using a single command?
- A. flashback table and transaction
- B. restore and recover database
- C. flashback database
- D. flashback table
- E. flashback transaction
Answer: C
NEW QUESTION 170
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