PAS-C01 Operations and Maintenance Practice Question
During a disaster recovery test, an SAP administrator finds that the SAP application cannot connect to the replicated HANA database in the DR region. The replication is done using SAP HANA System Replication. What is the MOST likely cause?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The application connection string still points to the primary database endpoint.
In SAP HANA System Replication, the database is replicated to the DR region, but the SAP application's connection string must be updated to point to the DR database endpoint. Without this update, the application will still try to connect to the primary database endpoint, which is not accessible during the DR test. Option A is incorrect because the replication link being down does not cause the application connection failure; the issue is the connection string. Option C is incorrect because even if the DR database is not fully synchronized (which is typical for async replication), the application could still connect to the DR database if the connection string were correct. Option D is incorrect because simply restarting the application server does not update the connection string; the endpoint configuration needs to be changed.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The replication link is down because the source database is not accessible.
Why it's wrong here
The replication link is separate from application connectivity.
- ✓
The application connection string still points to the primary database endpoint.
Why this is correct
After failover, the application must use the DR database endpoint.
- ✗
The HANA database in the DR region is not synchronized due to network latency.
Why it's wrong here
Synchronization does not affect connectivity after failover.
- ✗
The application server needs to be restarted to recognize the new database.
Why it's wrong here
Restarting alone does not change the connection string.
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