In a Zero Downtime Migration (ZDM) scenario using Oracle GoldenGate, how does the system ensure data consistency between the source and target databases during the initial data load phase?

• A.GoldenGate automatically validates and corrects data inconsistencies during the load process.
• B.The initial load process involves applying redo generated on the source after the data copy.
• C.Data consistency is guaranteed by replicating the commit order of transactions from source to target.
• D.GoldenGate utilizes checksums and verification techniques to detect and resolve data discrepancies.

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When migrating an Oracle Database to a new OCI environment, what considerations should be made regarding character sets and data encoding?

• A.Character sets and encodings are automatically converted during migration.
• B.The source and target character sets and encodings must be identical.
• C.Character set conversion might be necessary depending on compatibility.
• D.Data encoding is irrelevant for Oracle Database migrations to OCI.

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When configuring ZDM with GoldenGate for a database with high update frequency, which option within GoldenGate minimizes the impact on the source database performance?

• A.Selecting the "Extract All Changes" option to capture all data modifications, including DML and DDL.
• B.Enabling the "Queue Based Delivery" mode for accumulating changes before sending them to the target.
• C.Configuring a large number of Extract threads to maximize the rate of data extraction from the source.
• D.Utilizing the "Trivial Capture" option to minimize the data captured from the source database.

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When migrating an Oracle Database to OCI using Data Pump, which of the following actions is NOT required during the Migration phase?

• A.Executing the Data Pump Export utility on the source database
• B.Configuring Data Pump import parameters for the target database
• C.Manually creating tables and indexes in the target database before import
• D.Executing the Data Pump Import utility on the target database

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During a Data Pump import operation with a large dataset, which parameter can be used to optimize performance and minimize downtime?

• A.Setting the NETWORK_TIMEOUT parameter to a higher value.
• B.Configuring the STATISTICS parameter to gather detailed import statistics.
• C.Enabling the ROWGRANULARITY parameter for row-level import processing.
• D.Utilizing the TRANSPORT_DATA parameter to include table data during import.

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