[Q107-Q125] 100% Guaranteed Results 1Z0-083 Unlimited 283 Questions [2025]

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100% Guaranteed Results 1Z0-083 Unlimited 283 Questions [2025]

1Z0-083 Dumps PDF – Want To Pass 1Z0-083 Fast

Obtaining the Oracle 1Z0-083 certification demonstrates a high level of proficiency in Oracle database administration. Oracle Database Administration II certification is recognized globally and can open up several job opportunities for certified individuals. Additionally, certified individuals can join the Oracle Certification Program, which provides various benefits such as access to Oracle’s online community, exclusive job opportunities, and discounts on Oracle products and services.

Oracle 1Z0-083 (Oracle Database Administration II) Certification Exam is a professional-level certification offered by Oracle Corporation. 1Z0-083 exam is designed for individuals who are interested in becoming certified database administrators. 1Z0-083 exam focuses on advanced database administration topics such as managing database security, backup and recovery, performance tuning, and database upgrades. Passing 1Z0-083 exam is a testament to an individual’s expertise in Oracle database administration.

質問107
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?

V$SESSION_EVENT

V$SESSTAT

V$SESSION_WAIT

V$SESSION_WAIT_CLASS

V$SESSION

質問108
choose three Identify three reasons for using a recovery catalog with Recovery Manager (RMAN).

to allow database duplication without a connection to the target instance.

to store backup metadata that would cause the controlfile to become too large.

to store backups that would cause the controlfile to become too large.

to report on the database schema at an earlier point in time.

to allow database duplication without a connection to the auxiliary instance.

質問109
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:

この2つのうち、正しいのはどれでしょう？(2つ選んでください)

oracle will be an owner of the Oracle Inventory.

oracle must be the owner of every Oracle Database installation.

oracle can own an Oracle Database installation but not an Oracle Grid Infrastructure installation.

oracle will be granted the SYSASM privilege when installing the Oracle Database software.

The user account, oracle, and group, oinstall, can be used for all Oracle software installations.

質問110
Which three are true about corrupted data blocks and their recovery in an Oracle Database?

存在しないトランザクションによって行ロックが保持されている場合、行を含むブロックはメディア破壊される。

DB_BLOCK_CHECKING=TRUEは、物理的な破損やメディアの破損を検出するために、各データブロックにチェックサムを追加します。

メディア破損ブロックとは、ブロックが正しくフォーマットされていないもの。

ANALYZE TABLE VALIDATE STRUCTURE CASCADEコマンドは、各テーブル行がその行を指すインデックス項目を持つことを確認します。

存在しないトランザクションによって行ロックが保持されている場合、行を含むブロックは論理的に破壊される。

DB_LOST_WRITE_PROTECT=TYPICAL はスタンバイ・データベース上で余分なロギング・オーバーヘッドを発生させます。

質問111
Examine the RMAN command:
RMAN> CONFIGURE ENCRYPTION FOR DATABASE ON;
RMAN> BACKUP DATABASE PLUS ARCHIVELOG;
Which prerequisite must be met before accomplishing the backup?

The password for the encryption must be set up.

Oracle wallet for the encryption must be set up.

All the tablespaces in the database must be encrypted

Oracle Database Vault must be enabled.

質問112
In which two situations can you use Database Upgrade Assistant? (Choose two.)

when the operating system (OS) needs to be changed as part of the upgrade

when a character set conversion is required during the upgrade

when multiple pluggable databases in a container database have to be upgraded in a specific sequence

when the target and source database are on the same platform

when the hardware platform needs to be changed as part of the upgrade

質問113
Choose the best answer. Examine this configuration:
1.CDB1はARCHIVELOGモードで動作するコンテナ・データベースである。
2.CDB1で複数のコミットされていないトランザクションが実行されている。
3.REDOロググループ1と2はINACTIVEです。
4.REDOロググループ3はCURRENTグループである。
All members of redo log group 3 are lost before it is archived. Examine these possible steps:
1.シャットダウン中止
2.起動ノマウント
3.スタートアップマウント
4.データベースのマウント
5. RESTORE DATABASE
6.データベース復旧
7.利用可能になるまでデータベースを回復する
8.すべてのアーカイブログを復元する
9. ALTER DATABASE OPEN
10. ALTER DATABASE OPEN RESETLOGS
データベースを復旧するために、必要最小限のステップを正しい順序で選択します。

1,3,5, 6, 9

1,3,5, 7, 10

1,2, 5, 7,4, 10

1,3, 5, 6, 10

1,3,5, 6, 10

1,3,5,8, 6, 10

質問114
Which two are true about Oracle Flashback features? (Choose two.)

FLASHBACK QUERY can retrieve REDO records from ONLINE and ARCHIVED REDO LOG files.

FLASHBACK VERSION QUERY can retrieve REDO records from ONLINE and ARCHIVED REDO LOG files.

FLASHBACK TABLE can undrop a column.

FLASHBACK DROP can undrop an index when undropping a table.

After a database is restored from flashback logs using the FLASHBACK DATABASE command, it is sometimes rolled forward using redo logs.

質問115
Choose two. Which two are true about PDB archive files?

DBMS_PDB.CHECK_PLUG_COMPATIBILITY can be run against a PDB archive.

They contain a PDB manifest file and all the data files in uncompressed form for a PDB.

They contain all the data files only in uncompressed form for a PDB.

They must be created using the DBMS_PDB package.

They contain a PDB manifest file and all the data files in compressed form for a PDB.

They contain all the data files only in compressed form for a PDB.

質問116
Which three are true about Recovery Manager (RMAN) in Oracle Database 19c and later releases? (Choose three.)

It is only possible for RMAN to connect to a pluggable database as a target if an RMAN Virtual Private Catalog is used.

It is always possible for RMAN to connect to a pluggable database as a target if any RMAN Catalog is used.

A Virtual Private Catalog used to register a container database must be created in a pluggable database.

A Virtual Private Catalog used to register a container database can be created in a pluggable database.

It is always possible for RMAN to connect to a pluggable database as a target.

A Virtual Private Catalog used to register a container database can be created in a non-container database.

質問117
Choose three. Which three are true about RMAN archival backups with the RESTORE POINT clause?

They are never considered obsolete by RMAN.

They can optionally be written to a fast recovery area (FRA).

All archive logs are retained after an archival backup is taken, until the next archival backup is taken of the same database.

Archive logs are retained if they are necessary to allow the database to be recovered to a consistent state when an archival backup is restored.

The SPFILE is included in the archival backup.

Use of a recovery catalog is always required to support the creation and use of archival backups. G)The ARCHIVAL attribute for a backup overrides the RMAN retention policy.

質問118
Which two are true about changing the LOCAL_UNDO_ENABLED property to false in a CDB?
(2つ選んでください)

変更後は、必要な権限を持つ一般ユーザーのみがCDB&ROOTにアンドゥ表領域を作成できる。

新しいPDBと既存のPDBは、CDB$ROOTのデフォルトのundo表領域を使用するように自動的に設定される。

変更後、CDB$ROOTに存在できるアンドゥ表領域は1つだけです。

変更後、必要な権限を持つユーザーであれば誰でも、PDBにアンドゥ表領域を作成することができる。

PDBに存在するUndo表領域は、変更前に削除しておく必要がある。

変更後、新しいアンドゥモードを有効にするには、既存のPDBをそれぞれ開き直す必要があります。

質問119
Choose two. Which two are true about backup set compression using RMAN default compression?

Compressed backups cannot have a section size defined.

Compressed backups can be written only to media.

Binary compression adds CPU overhead to backup operations.

Unused blocks below the high water mark are backed up.

Compression can be done only for locally managed tablespaces.

質問120
Which two are true about Recovery Manager (RMAN) diagnostic message output? (Choose two.)

Media Management messages for SBT devices are always written to sbtio.log.

RMAN error stacks should be read from the bottom up as that is the order in which errors are generated.

RMAN error stacks should be read from the top down as that is the order in which errors are generated.

The RMAN LOG command line clause causes output issued during RMAN commandcompilation to be written to a log file and to standard output.

The RMAN LOG command line clause causes output issued during RMAN command compilation to be written to a log file only.

Media Management messages for SBT devices are written to an Oracletrace file.

質問121
Which two are true about gathering optimizer statistics? (Choose two.)

Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to CDB$ROOT gathers object statistics in all open PDBs except PDB$SEED.

Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to a PDB opened in read/ write mode gathers object statistics for that PDB.

Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to CDB$ROOT gathers object statistics only in CDB$ROOT.

System statistics can be gathered only while connected to CDB$ROOT.

Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to CDB$ROOT gathers object statistics in all open pluggable databases (PDBs)

質問122
Choose three. Which three are true about patchsets?

They are installed via OPatch or OPatchAuto.

A base release is not needed to install patchsets.

They can be applied in a rolling fashion for Clusterware and the databases.

Installing a patchset is considered an “upgrade.”

They can introduce new features.

They are only released quarterly.

質問123
choose two Which two statements are true about encrypted backups performed by using RMAN?

Transparent encryption of backups uses an encryption wallet.

Image copy backups can be created by using password encryption.

A password encryption of backups uses the password while creating and restoring backups.

Encrypted backups can only be written to disk.

A database uses the same encryption key for every encrypted backup.

質問124
Which two statements are true about encrypted backups performed by using RMAN?

Transparent encryption of backups uses an encryption wallet.

Image copy backups can be created by using password encryption.

A password encryption of backups uses the password while creating and restoring backups.

Encrypted backups can only be written to disk.

A database uses the same encryption key for every encrypted backup.

質問125
Which three are true in Oracle 19c and later releases? (Choose three.)

If the password file location changes, then the new location is used automatically by the Oracle Server.

Schema Only accounts can be granted administrator privileges.

All the Oracle-supplied accounts are Schema Only accounts.

Privilege Analysis is included in Oracle Enterprise Edition and no longer requires Database Vault.

Unified Auditing can be configured to audit only events that are issued indirectly by an audited user.

Unified Auditing can be configured to audit only events that are issued directly by an audited user.

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[Q107-Q125] 100% Guaranteed Results 1Z0-083 Unlimited 283 Questions [2025]

[Q107-Q125] 100% Guaranteed Results 1Z0-083 Unlimited 283 Questions [2025]

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