[Jan 29, 2024] Genuine 1Z1-083 Exam Dumps New 2024 Oracle Pratice Exam
New 2024 Realistic 1Z1-083 Dumps Test Engine Exam Questions in here
Oracle 1Z1-083 Exam is a challenging and comprehensive exam that covers a wide range of topics related to Oracle database administration. Passing the exam is an important achievement for individuals who want to advance their careers in database administration and work as Oracle database administrators in organizations that use Oracle databases.
To be eligible to take the 1Z0-083 exam, candidates must have already earned the Oracle Certified Associate (OCA) certification in database administration. This prerequisite ensures that candidates have a solid foundation in the basics of Oracle Database administration before attempting the more advanced topics covered in 1Z1-083 exam.
NEW QUESTION # 89
Choose three. Which three are true about block media recovery?
- A. It cannot repair logical corruption.
- B. The target database for which one or more blocks are to be recovered must be in the OPEN state.
- C. The data file containing the block being recovered remains online.
- D. It can be performed on noncorrupt blocks.
- E. To use it, Flashback Database must be enabled.
- F. A block being recovered is not accessible.
Answer: A,C,F
NEW QUESTION # 90
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 be created in pdb1.
- B. c##_user1 will have the same privileges and roles granted in all PDBs in cdb1.
- C. p1_user1 can be created in cdb1.
- D. app1_user1 can be created in cdb1.
- E. c##_app_user1 can be created in cdb1.
- F. app1_user1 can have different privileges in each Application PDB contained in app1_root.
Answer: A,F
NEW QUESTION # 91
Choose two. Which two are true about RMAN duplexed backup sets?
- A. They can be written only to disk.
- B. They can be created by using the RMAN CONFIGURE command to specify duplexing before taking a backup.
- C. They can be created only by using the COPIES option of a BACKUP command.
- D. They can be written to media.
- E. They must be written to media.
Answer: B,D
NEW QUESTION # 92
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 transaction
- B. flashback database
- C. flashback table and transaction
- D. restore and recover database
- E. flashback table
Answer: B
NEW QUESTION # 93
Choose three. Which three are true about the Oracle Optimizer?
- A. It can re-optimize execution plans after previous executions detect suboptimal plans.
- B. It can only use SQL Plan Directives tied to the SQL statement for which a plan is being generated.
- C. It updates stale object statistics in the Data Dictionary.
- D. It considers the filters in WHERE clauses when generating execution plans for SQL statements.
- E. It obeys all hints.
- F. It considers object statistics when generating execution plans for SQL statements.
Answer: A,C,D
NEW QUESTION # 94
Examine this configuration:
1. CDB1 is a container database.
2. PDB1 and PDB2 are pluggable databases in CDB1.
3. PDB1 and PDB2 are open in read write mode.
You execute these commands successfully:
Which two are true?
- A. CDB1 is shut down.
- B. Uncommitted transactions in PDB1 have been rolled back.
- C. Uncommitted transactions in CDB1 and pdbi have been rolled back.
- D. CDB1 is in mount state
- E. PDB1 is closed.
Answer: C,D
NEW QUESTION # 95
Which two are true about automatic block repair? (Choose two.)
- A. It is not possible for media corrupt blocks.
- B. Real-Time Query must be enabled on a primary database for automatic block repair to be done on any of its physical standby databases.
- C. Real-Time Query must be enabled on a physical standby database for automatic block repair to be done on its primary database.
- D. Automatic block repair can repair blocks with no standby database if DB_BLOCK_CHECKING = TRUE.
- E. Real-Time Query must be enabled on a physical standby database for automatic block repair to be done on that physical standby database.
Answer: A,C
NEW QUESTION # 96
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$SESSION_WAIT
- B. V$SESSION_EVENT
- C. V$SESSION_WAIT_CLASS
- D. V$SESSTAT
- E. V$SESSION
Answer: C
NEW QUESTION # 97
You are managing this configuration:
CDB1 is a container database.
PDB1 and PDB2 are two pluggable databases in CDB1.
USER1.EMP is a table in PDB1 and USER2.DEPT is a table in PDB2.
CDB1 user SYS executes these commands after connecting successfully to PDB2:
Which two are true? (Choose two.)
- A. The insert on USER2.DEPT is a recursive autonomous transaction by the child session and is committed.
- B. The inserts on USER1.EMP were rolled back when the session connected to PDB2.
- C. The insert on USER2.DEPT fails because of the active transaction in the parent container.
- D. The inserts on USER1.EMP were committed when the session inserted a row into USER2.DEPT.
- E. The inserts on USER1.EMP were committed when the session connected to PDB2.
- F. The inserts on USER1.EMP remain uncommitted when the session connected to PDB2.
- G. The insert on USER2.DEPT is uncommitted.
Answer: E,G
NEW QUESTION # 98
Which four are true about duplicating a database using Recovery Manager (RMAN)? (Choose four.)
- A. Duplication can be done by having the auxiliary database instance pull backup sets from the target database instance.
- B. A subset of the target database can be duplicated.
- C. A connection to the target database instance is always required.
- D. A new DBID is always created for the duplicated database.
- E. A backup of the target database is always required.
- F. A connection to the recovery catalog instance is always required.
- G. Duplication can be done by having the target database instance push copies to the auxiliary database instance.
- H. A connection to an auxiliary instance is always required.
Answer: A,E,G,H
NEW QUESTION # 99
Which three are true about SGA memory management in a multitenant database? (Choose three.)
- A. Setting SHARED_POOL_SIZE for a PDB guarantees a minimum amount of Shared Pool memory for that PDB.
- B. Setting SGA_TARGET for a PDB guarantees a minimum amount of SGA memory for that PDB.
- C. SGA_MIN_SIZE cannot be set for a PDB.
- D. The SHARED_POOL_SIZE setting for a PDB can be up to 80% of the SHARED_POOL_SIZE setting of the root container.
- E. The SGA_TARGET setting for a PDB cannot exceed 50% of the SGA_TARGET value of the root container.
- F. Setting DB_CACHE_SIZE for a PDB guarantees a minimum amount of Database Buffer Cache memory for that PDB.
Answer: A,B,C
NEW QUESTION # 100
You issued this command:
RMAN> BACKUP RECOVERY FILES;
Which two are true?
- A. All non-Oracle files in the current FRA that have not been backed up already, are backed up.
- B. All Oracle recovery files not in the current FRA that have not been backed up already, are backed up.
- C. All Oracle recovery files in the current FRA that have not been backed up already, are backed up.
- D. These backups can be written to disk or SBT.
- E. All Oracle recovery files in the current fast recovery area (FRA) are backed up.
Answer: A,B
NEW QUESTION # 101
Oracle Managed Files (OMF) is enabled in a CDB and this command is successfully executed:
Which three are true? (Choose three.)
- A. Application PDBs that are subsequently created in the APP1 application container will be cloned from APP1$SEED.
- B. Application PDBs that are subsequently created in the APP1 application container will be cloned from PDB$SEED.
- C. APP1 can never be unplugged.
- D. A default service is created for the application root APP1.
- E. An application seed PDB is created for APP1.
- F. An application root PDB is created for APP1.
Answer: A,B,E
NEW QUESTION # 102
Which two are true about reclaiming space used by Flashback logs in Oracle Database 19c and later releases? (Choose two.)
- A. Space is only reclaimed when there is space pressure in the Fast Recovery Area. (FRA)
- B. Space might be reclaimed automatically when the retention period for Flashback logs is lowered.
- C. Space might be reclaimed proactively before space pressure occurs.
- D. Space is always reclaimed proactively before space pressure occurs.
- E. Space is always reclaimed automatically when the retention period for Flashback logs is lowered.
Answer: A,B
NEW QUESTION # 103
Which three are true about RMAN persistent configuration settings, administration, and their effects? (Choose three.)
- A. Backup older than the recovery window retention policy are always deleted automatically if the backup location has insufficient space.
- B. A target database's persistent RMAN configuration settings are always synchronized automatically with the RMAN catalog.
- C. The RMAN SHOW ALL command displays only settings with nondefault values.
- D. Backups written to the fast recovery area (FRA) that are oboslete based on the redundancy retention policy can be deleted automatically to free space.
- E. The V$RMAN_CONFIGURATION view displays only settings with valuesthat have been modified. G)A DBA must specify either a redundancy retention policy or a recovery window retention policy.
- F. A target database's persistent RMAN configuration settings are always stored in the target's control file
Answer: D,E,F
NEW QUESTION # 104
Choose the best answer. Examine this configuration: 1. CDB1 is a container database. 2.
COMMON_USER_PREFIX is set to an empty string. 3. PDB1 is a pluggable database in CDB1. 4. APP1_ROOT is an application container in CDB1. 5. APP1_PDB1 is an application PDB in APP1_ROOT. You execute these commands: S sqlplus sys/oracle@localhost:1521/cdb1 as sysdba SQL> CREATE ROLE role1 CONTAINER=CURRENT; Which is true?
- A. ROLE1 will be created only in CDB$ROOT and APP1_ROOT.
- B. It will return an error because common roles must start with C##.
- C. It will return an error because creation of a local role is not allowed in CDB$ROOT.
- D. ROLE1 will be created only in CDB$ROOT.
- E. ROLE1 will be created in CDB$ROOT, PDB1, APP1_ROOT, and APP1_PDB1.
Answer: C
NEW QUESTION # 105
Choose three. Which three are true about using Database Upgrade Assistant (DBUA) to upgrade a database?
- A. DBUA must be launched from the target Oracle Home.
- B. A whole database backup must exist before upgrade.
- C. The Pre-Upgrade Information Tool script is executed by DBUA.
- D. All pluggable databases are automatically upgraded as part of a container database upgrade.
- E. Multiple databases with the same ORACLE_HOME can be upgraded simultaneously.
- F. The database must be opened in read-only mode.
Answer: B,C,D
NEW QUESTION # 106
Examine this configuration: While CDB1 is open, '/u02/app/oracle/fast_recover_area/cdb1/CDB1/ controlfile02.ctl'is accidentally deleted. To recover from this critical failure, you execute these commands:
What will be the outcome?
- A. It will create '/u01/app/oracle/product/12.2.0.1/db_1/dbs/snapcf_cdb1control02.ctl'.
- B. It will re-create '/u02/app/oracle/fast_recover_area/cdb1/CDB1/controlfile02.ctl'
- C. It will create '$ORACLE_HOME/dbs/cdb1/CDB1/controlfile02.ctl'
- D. It will fail because there is no autobackup of the controlfiles.
- E. It will create '/u01/app/oralce/oradata/CDB1/controlfile/controlfile02.ctl'.
Answer: B
NEW QUESTION # 107
You plan to install Oracle Grid Infrastructure for a Standalone Server and Oracle Database for the first time on a server.
Examine this command and its outcome:
Which two are true? (Choose two.)
- A. oracle can own an Oracle Database installation but not an Oracle Grid Infrastructure installation.
- B. The user account, oracle, and group, oinstall, can be used for all Oracle software installations.
- C. oracle will be an owner of the Oracle Inventory.
- D. oracle will be granted the SYSASM privilege when installing the Oracle Database software.
- E. oracle must be the owner of every Oracle Database installation.
Answer: A,D
NEW QUESTION # 108
Which three are true about Audit policies In container databases (CDBs)?
- A. Application-common unified audit policies defined In an application root must be manually synchronized by each application PDB contained in the application root.
- B. A common unified audit policy can be created at the CDB level.
- C. An application PDB cannot have a local audit policy.
- D. Fine-grained auditing policies defined in an application root must be manually synchronized by each application PDB contained in the application root.
- E. All audit records are written to the audit trail in CDB$ROOT
- F. A common unified audit policy can be created at the application root level.
Answer: A,C,D
NEW QUESTION # 109
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