1Z0-1094-24 Oracle Cloud Database Migration and Integration 2024 Professional Practice Questions
Prepare for 1Z0-1094-24 with more than an answer.
- Exam fee
- $245 USD
- Level
- Professional
- Valid for
- Recertification required for continued status
Domains covered on the exam 7
- Oracle Migration and Integration15%
- Migrating to Cloud Database Services using RMAN, Data Pump, and Cloning20%
- Migrating to Cloud Database Services using SQL Developer, Cloud Backup, and GoldenGate25%
- Source and Target Database Options15%
- Migrating to Cloud Database Services using Oracle Zero Downtime Migration (ZDM)15%
- Data Integration5%
- Migrating to Autonomous Database5%
- 1
True or False: The Oracle Database Cloud Backup Service can only be used with Enterprise Edition databases and is not available for Standard Edition databases.
Show answer details
Correct answer: B
This statement is false. The Oracle Database Cloud Backup Service is available for all supported Oracle Database editions, including Enterprise Edition, Standard Edition, and Standard Edition 2. It requires installing the Oracle Database Cloud Backup Module on the source database server.
- 2
A database administrator is using RMAN to restore a database to a new OCI DB System from a backup located in Object Storage. They are executing the
RESTORE DATABASEcommand from the RMAN prompt. The process fails, and the error stack indicates that RMAN cannot locate the backup pieces. The administrator has confirmed the Object Storage bucket name and credentials are correct. What is the most likely missing step?Show answer details
Correct answer: D
When restoring a database to a new host where no information about the database exists, RMAN needs the control file to find the metadata about the database structure and the location of the backup pieces. The correct procedure is to start the instance in
NOMOUNTstate, restore the control file first (RESTORE CONTROLFILE FROM...), mount the database, and then executeRESTORE DATABASE. Without the restored control file, RMAN has no catalog of the backups and cannot locate the backup pieces, even with correct credentials. - 3
A DBA needs to migrate a single, self-contained 2TB pluggable database (PDB) from an on-premises CDB to a different CDB in OCI. The PDB can be taken offline for the duration of the data file copy. The on-premises network connection to OCI is slow. The DBA plans to copy the PDB's data files to a Data Transfer Disk and ship it to an OCI data center. Which migration method directly supports this offline, disk-based data transfer approach?
Show answer details
Correct answer: B
The PDB unplug/plug method is ideal for this scenario. The process involves unplugging the PDB from the source CDB, which generates an XML manifest file describing the PDB and its data files. The data files and the manifest file can then be copied to a physical medium like a Data Transfer Disk, shipped, and uploaded to OCI. Finally, the PDB is plugged into the target CDB using the manifest file and the data files. This method is perfectly suited for offline data transfer.
- 4
During a Zero Downtime Migration validation check (
-eval), the process reports a failure related to SSH connectivity from the ZDM service host to the source database server. The administrator has verified that they can manually SSH from the ZDM host to the source server using the specified private key and user. What is the most likely cause of this discrepancy?Show answer details
Correct answer: D
ZDM's automation relies on passwordless, non-interactive SSH connections between the ZDM service host and the source/target servers. An administrator might be able to manually SSH successfully by entering a passphrase for their private key or a password when prompted. However, the ZDM service cannot handle this interactive prompt. The validation failure, despite a successful manual test, strongly indicates that the SSH setup is not truly passwordless, which is a strict prerequisite for ZDM.
- 5
An organization is migrating an Oracle Database from a third-party cloud (AWS) to OCI. The source database is heavily used, and a logical migration with GoldenGate is planned to minimize downtime. What is a critical prerequisite on the source AWS RDS for Oracle instance to enable GoldenGate to capture changes?
Show answer details
Correct answer: B
On AWS RDS for Oracle, enabling Automated Backups is the mechanism that also enables ARCHIVELOG mode on the database. GoldenGate's Extract process relies on reading the redo and archive logs to capture data changes. Without ARCHIVELOG mode enabled, change capture is not possible. Therefore, configuring automated backups with a retention period > 0 is a fundamental prerequisite for using GoldenGate with RDS.
- 6
What is the primary function of the
DB_UNIQUE_NAMEparameter in an Oracle Data Guard configuration used for a physical migration?Show answer details
Correct answer: C
In a Data Guard setup, while the
DB_NAMEmust be the same for both primary and standby databases, theDB_UNIQUE_NAMEmust be unique for each. This parameter allows the Data Guard broker and redo transport services to uniquely identify and manage each database in the configuration, which is essential for shipping logs to the correct destination and managing role transitions like switchover and failover. - 7
A team is setting up an OCI Data Integration mapping to extract data from an Oracle Fusion SaaS application and load it into an Autonomous Data Warehouse (ADW). What is the recommended method for extracting large volumes of data from Fusion SaaS within an OCI Data Integration task?
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Correct answer: C
The standard and recommended method for bulk data extraction from Oracle Fusion SaaS applications is to use BI Publisher. You create a BI Publisher report based on a data model that queries the required data. OCI Data Integration can then invoke this report, which extracts the data and makes it available for the integration pipeline, typically via a file placed in cloud storage. This is more efficient and supportable than direct API calls for large volumes or direct database connections, which are not permitted.
- 8
A financial services firm is migrating a 15TB Oracle 19c database from an on-premises AIX server to an Oracle Base Database Service on OCI running Oracle Linux. The business has mandated a maximum downtime of 1 hour. The migration team is using RMAN cross-endian transportable tablespaces. During the
CONVERT TABLESPACEoperation on the destination, the process fails. Which of the following is the most likely reason for this failure?Show answer details
Correct answer: D
When performing a cross-platform migration between systems with different endian formats (like AIX which is big-endian and Oracle Linux on x86-64 which is little-endian), the data files must be converted using the RMAN
CONVERTcommand. The error described suggests the CONVERT operation failed on the destination, which implies the files were transferred in their original source format. The conversion should happen either on the source or destination host, but the data must be converted before it can be plugged into the target database. The other options are general prerequisites for transportable tablespaces but do not directly cause aCONVERT TABLESPACEfailure on the destination. - 9
A retail company is planning a phased migration of its on-premises Oracle E-Business Suite database to OCI. They will use Oracle GoldenGate for replication to keep the on-premises and cloud environments synchronized for several weeks. During this period, some batch jobs will run on-premises while new reporting services run in the cloud, leading to potential data conflicts. Which GoldenGate feature is specifically designed to handle and resolve these types of data conflicts automatically during bi-directional replication?
Show answer details
Correct answer: B
Conflict Detection and Resolution (CDR) is the Oracle GoldenGate feature designed to manage data conflicts that occur in active-active or multi-master replication configurations. It provides routines to detect when the same data row has been modified in multiple locations and applies pre-defined rules to resolve the conflict, ensuring data consistency. Integrated Extract is a capture method, Trail Files store the captured data, and Data Pump is a separate Oracle utility.
- 10
A migration architect is configuring a Zero Downtime Migration (ZDM) response file for a logical online migration to an Autonomous Database (ADB). The source database uses Transparent Data Encryption (TDE) with a keystore managed by Oracle Key Vault (OKV). How should the TDE keystore details be configured in the ZDM response file for the target ADB?
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Correct answer: C
When migrating to an Autonomous Database, the target TDE configuration is managed by Oracle. ADB uses an Oracle-managed keystore. Therefore, you do not configure any target TDE parameters (like
TGT_TDE_KEYSTORE_TYPEorTGT_TDE_KEYSTORE_PASSWORD) in the ZDM response file. ZDM is designed to handle the data movement, and upon import into ADB, the data will be encrypted using the target ADB's TDE keys. The source TDE keystore details are needed for the export phase, but the target side is managed automatically by the ADB service.
