1Z0-083 TEST ANSWERS & 1Z0-083 RELIABLE TORRENT

1Z0-083 Test Answers & 1Z0-083 Reliable Torrent

1Z0-083 Test Answers & 1Z0-083 Reliable Torrent

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Oracle 1Z1-083 exam is a credible and recognized certification that can help professionals to demonstrate their expertise in Oracle database administration. Passing 1Z0-083 Exam is a clear indication that the candidate has an in-depth understanding of advanced database administration concepts and can effectively manage and administer complex databases. Additionally, this certification can provide professionals with a competitive edge in the job market, as it is highly valued by employers who are looking for skilled and knowledgeable database administrators.

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Oracle Database Administration II Sample Questions (Q190-Q195):

NEW QUESTION # 190
Which four are true about duplicating a database using Recovery Manager (RMAN)? (Choose four.)

  • A. A connection to an auxiliary instance is always required.
  • B. A connection to the recovery catalog instance is always required.
  • C. A backup of the target database is always required.
  • D. Duplication can be done by having the auxiliary database instance pull backup sets from the target database instance.
  • E. A new DBID is always created for the duplicated database.
  • F. Duplication can be done by having the target database instance push copies to the auxiliary database instance.
  • G. A subset of the target database can be duplicated.
  • H. A connection to the target database instance is always required.

Answer: A,D,F,G

Explanation:
Explanation
A duplicate database is a copy of your target database. With the FOR STANDBY clause, it keeps the same unique database identifier(DBID); If FOR STANDBY not specified it creates a new DBID. The duplicate database can include the same content or only a subset from the source database. It can be in the same host or a separate host. The principal work of the duplication is performed by the auxiliary channels.These channels correspond to a server session on the auxiliary instance on the destination host for backup based duplication.
For active database duplication the target channels perform the work of pushing data file copies to the auxiliary instance (if number of allocated target channels is greater than the number of allocated auxiliary channels).


NEW QUESTION # 191
In performance management, which two factors might reduce the ability of an application to scale to a large number of users? (Choose two.)

  • A. poorly written SQL
  • B. poorly trained users who do not commit transactions
  • C. the number of tablespaces containing tables updated by a transaction
  • D. the number of data files containing extents belonging to tables updated by a transaction
  • E. issuing multiple savepoints during a transaction

Answer: A,B

Explanation:
About Concurrency and Scalability
The better your application handles concurrency, the more scalable it is.
Concurrency is the simultaneous execution of multiple transactions. Statements within concurrent transactions can update the same data. Concurrent transactions must produce meaningful and consistent results. Therefore, a multiuser database must provide the following:
Data concurrency , which ensures that users can access data at the same time.
Data consistency, which ensures that each user sees a consistent view of the data, including visible changes from his or her own transactions and committed transactions of other users


NEW QUESTION # 192
Which two are true about data movement between a non-CDB and a PDB using Data Pump? (Choose two.)

  • A. A new PDB is automatically created when importing a non-CDB into a CDB.
  • B. Moving data from a PDB to a non-CDB is only possible by using transportable tablespace export and import.
  • C. Oracle attempts to convert common users to conventional users when moving schemas from a PDB to a non-CDB.
  • D. Moving data from a non-CDB to a PDB is only possible by using conventional export and import.
  • E. Oracle attempts to convert conventional database users to local users when moving schemas from a non-CDB to a PDB.
  • F. Tablespaces are automatically created as need while importing full exports in either a non-CDB or a PDB.

Answer: C,E


NEW QUESTION # 193
Which three are true about RMAN duplexed backup sets or image copies?

  • A. A backup set may be duplexed with both copies written to sbt.
  • B. An image copy on disk can be copied to sbt.
  • C. A backup set may be duplexed so that one copy is written to sbt and the other to disk.
  • D. An image copy on sbt can be copied to disk.
  • E. An image copy on disk can be copied to disk.
  • F. A backup set may be duplexed with both copies written to disk.

Answer: A,E,F


NEW QUESTION # 194
Which three are true about an application seed pluggable database (PDB)?

  • A. It is not required in an application container.
  • B. 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.
  • C. 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 old version of the application installed after cloning completes.
  • E. It is automatically synchronized with its application root PDB when an application is installed.
  • F. It cannot be dropped from its application container.
  • G. It Is automatically synchronized with its application root PDB when an application is upgraded.

Answer: B,C,D,E


NEW QUESTION # 195
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