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質問 # 26
What command options specify Extract and Replicat batch mode for initial load?
- A. ADD EXTRACT WITH SOURCEISTABLE
- B. ADD EXTRACT WITH TRANLOGOPTIONS
- C. ADD REPLICAT WITH SPECIALRUN
- D. ADD REPLICAT WITH PASSTHRU
正解：A、C
質問 # 27
Which statement about trails is correct?
- A. RMTTRAIL is for remote trails and EXTTRAIL is for local trails.
- B. Trail files are used to show how many records your Distribution Path is trailing behind the Extract.
- C. Trail files are used to show the order GoldenGate files are accessed to perform replication.
- D. Extract is typically used to produce local trail files over a TCP/IP connection.
正解：A
解説：
In Oracle GoldenGate, EXTTRAIL is used to define local trail files written by a primary Extract, while RMTTRAIL defines remote trail files that are sent over the network (via TCP/IP) by a Data Pump or Distribution Server to a remote target.
質問 # 28
Which is an incorrect option to use with the DBOPTIONS parameter for a Replicat?
- A. USEREPLICATIONUSER
- B. NOCATALOGCONNECT
- C. USEODBC
- D. BATCHSQL
正解：D
解説：
BATCHSQL is the incorrect option to use with the DBOPTIONS parameter, because it is not a DBOPTIONS sub-option at all - it's a standalone parameter.
質問 # 29
A Distribution Path sends the transaction of data from Extract to Replicat. How can you create a Distribution Path?
- A. At OS prompt with run preceding the GoldenGate commands
- B. In GGSCI with GoldenGate commands
- C. From the Service Manager home page
- D. From Cloud Shell with REST APIs
正解：C
解説：
In Oracle GoldenGate Microservices Architecture, the Service Manager UI is the recommended and primary interface to create a Distribution Path using the Distribution Server. This method is officially documented and intended for simplified management.
質問 # 30
Users of both Extract and Replicat require the DBA role for the database.
- A. FALSE
- B. TRUE
正解：A
解説：
Full DBA role is not mandatory for Extract or Replicat.
質問 # 31
You want to increase parallelism for greater integrated Replicat throughput while preserving the original transaction atomicity. How can you achieve this?
- A. You can configure integrated Replicat with two parallel child servers.
- B. You can configure integrated Replicat with two parallel apply servers.
- C. You can configure integrated Replicat ASSUMETARGETDEFS and SPECIALRUN parameters.
- D. You can configure integrated Replicat with SPECIALRUN parameter.
正解：B
解説：
To increase parallelism and still preserve transaction atomicity, configure Integrated Replicat with multiple parallel apply servers (e.g., 2 or more). This allows Oracle GoldenGate to apply multiple transactions concurrently while maintaining their integrity.
質問 # 32
Source and target tables have the same column order, data types, and column sizes, yet different table and column naming. Which Replicat parameter will handle this mapping?
- A. ASSUMETARGETDEFS
- B. SOURCEDEFS
- C. COLMAP (USEDEFAULTS)...
- D. COLMAP (TargetColumnName=SourceColumnName, ...)
正解：D
解説：
When source and target tables have the same column order, data types, and sizes, but different table or column names, you need to explicitly map columns using the COLMAP parameter in the Replicat parameter file.
質問 # 33
What is implemented by Oracle GoldenGate to be able to obtain trail files from the source when the source Distribution Server cannot initiate communication with the target where the Receiver Server is?
- A. A secured port must be implemented and opened by the target to enable the source Distribution Server to be able to initiate communication with the target's Receiver Server.
- B. Microservices Architecture Authentication will initiate communication for the Distribution Server.
- C. A Receiver Server can pull trail files from Distribution Server using a single port for Reverse proxy.
- D. The Extract will directly send trail files for the Replicat to receive and apply changes.
正解：C
解説：
In Oracle GoldenGate Microservices Architecture, when the source Distribution Server cannot initiate outbound communication (e.g., due to firewall or network restrictions), the Receiver Server on the target can be configured to pull trail files using Reverse Proxy mode - establishing a single, secure inbound connection.
質問 # 34
SQLEXEC can communicate only via SQL query.
- A. FALSE
- B. TRUE
正解：A
解説：
SQLEXEC can run scripts, not just SQL queries.
質問 # 35
Initial Load is a process of extracting data records from the source database and loading those records onto the target database. There are many advantages in using GoldenGate to obtain the data from the source and load the records onto the target. What describes the advantage of continuing to make data changes on the source database while loading data onto the target database?
- A. Enable data changes on source tables without locking tables.
- B. Enable the LGWR to indicate in the transaction log when initial load commenced.
- C. Enable change delivery to handle collisions with initial load.
- D. Enable Extract to indicate in the trail file when initial load commenced.
正解：A
解説：
"Oracle GoldenGate can perform a one-time initial load while the source tables remain online and active. You do not need to lock the source tables during the load. Oracle GoldenGate tracks ongoing changes with Change Data Capture (CDC) and applies them after the load completes."
質問 # 36
You must provide credentials, like a username and password, to access the database credentials store where the actual user credentials are stored. The credential store is preferable to using the database username and password in the commands or the parameter file. What may you use rather than a user ID and password, in the parameter file, for the Extract or Replicat to provide credentials for access to the source or target database?
- A. UserIDAlias
- B. UserReplicationUser
- C. Single Sign On
- D. Oracle SID
正解：A
解説：
You can use UserIDAlias in the parameter file to reference credentials securely stored in the Oracle GoldenGate credential store, avoiding plain-text usernames and passwords.
質問 # 37
You are receiving data errors involving invalid column mappings. Which two types of files can you use to identify the issue?
- A. Use the STATS command in the GLOBALS file because it captures information on failed GoldenGate operations.
- B. Use the error log because it captures information on failed GoldenGate operations.
- C. Use the DIST command in the GLOBALS file because it captures information on failed GoldenGate operations.
- D. Use the discard file because it captures information on failed GoldenGate operations.
正解：B、D
質問 # 38
What is the key purpose of GoldenGate trail files?
- A. They are configuration files for the GoldenGate processes.
- B. They are database auditing logs in which GoldenGate registers changes.
- C. They are checkpoint files for the GoldenGate processes.
- D. They are a persistent storage area for captured transactions.
正解：D
解説：
"A trail is a series of files on disk where Oracle GoldenGate stores the captured changes to support the continuous extraction and replication of database changes." This makes trail files the persistent buffer between Extract and Replicat processes, decoupling them and improving fault tolerance and performance.
質問 # 39
Which of the following is a typical Oracle GoldenGate Manager parameter?
- A. Port
- B. ExtTrail
- C. DiscardFile
- D. RmtHost
正解：A
解説：
Port, DynamicPortList, Autostart, AutoRestart, Lag parameters, PurgeOldExtracts, and others. These can be found in the section titled "Manager Parameter Categories."
質問 # 40
You want to use multiple concurrent Extract process groups. What is the key factor in determining how many can be running at the same time?
- A. The number of concurrent users
- B. The number of compound keys on the source tables
- C. Disk space
- D. System memory
正解：D
解説：
System memory is the most critical factor for determining how many Extract processes can run concurrently. Each process consumes memory, and insufficient memory may lead to performance degradation or process failure.
質問 # 41
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