Mastering Oracle GoldenGate: Advanced Interview Challenge Quiz

1. Error Diagnostics in GoldenGate

   Suppose your GoldenGate replication setup suddenly experiences data synchronization failures. Which method provides the most detailed log file to directly review GoldenGate errors and diagnose the problem?

   1. A. Checking the ggserr.log file using system commands
   2. B. Monitoring the redo log files for error entries
   3. C. Checking the alert.log file from the database
   4. D. Reviewing the Extract parameter file for typos
   5. E. Using the Oracle listener log

2. Backup Procedures for GoldenGate

   When performing a backup of an Oracle GoldenGate installation, which approach correctly ensures that all essential configurations and data are included, as best practice?

   1. A. Back up only the data directory using a selective file copy
   2. B. Back up the root directory and all subdirectories recursively using a system-level copy command
   3. C. Use the built-in EXP utility to export all replication settings
   4. D. Backup the TEMP tablespace containing the logs
   5. E. Export the process report files only

3. Extract Modes Distinction

   Given a scenario where you need to replicate data from Oracle tables with advanced types, which GoldenGate Extract mode should be selected to ensure compatibility, and why?

   1. A. Classical Extract, for its direct interaction with redo logs
   2. B. Integrated Extract, which captures changes as Logical Change Records via log mining
   3. C. Incremental Extract, for support of compressed tablespaces
   4. D. Compact Extract, which is designed for performance
   5. E. Synchronous Extract, for real-time applications

4. Supplemental Logging Requirement

   Imagine you are tasked with configuring Oracle GoldenGate for reliable row-level replication of update and delete operations. Which prerequisite must be enabled on the source database to guarantee rows can be uniquely identified at the target?

   1. A. Supplemental logging
   2. B. Minimal redo generation
   3. C. Only primary key constraint enforcement
   4. D. Unique index logging
   5. E. Advanced compression

5. Supported GoldenGate Topologies

   A business is planning an architecture with multiple databases replicating in several directions, including unidirectional and bidirectional flows. Which combination best lists topologies supported by Oracle GoldenGate?

   1. A. Unidirectional, Bidirectional, Peer-to-peer, Broadcast, Consolidation, Cascading
   2. B. Master-slave, Peer-to-peer, Bush, Cascade, Clustered
   3. C. Mesh, Tandem, Tree, Star, Mixed-mode
   4. D. Linear, Star, Point-to-point, Hybrid, Fallback
   5. E. Round-robin, Tree, Linear, Chained, Parallel