PAS-C01 Operations and Maintenance Practice Question
An SAP system on AWS uses a Multi-AZ RDS for SQL Server as the database. During a failover test, the application experienced a 2-minute outage. The application team wants to reduce this downtime. What should the operations team recommend?
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
✓
Enable automatic failover handling in the application's JDBC connection string.
Enabling Multi-AZ with automatic failover in the JDBC connection string allows the application to automatically reconnect to the new primary without manual intervention. Option A is wrong because increasing instance size does not affect failover time. Option B is wrong because a different Multi-AZ configuration does not reduce failover time. Option D is wrong because RDS Proxy is not supported for SQL Server.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Increase the DB instance size to improve failover performance.
Why it's wrong here
Instance size does not affect failover time; failover time depends on DNS propagation and connection handling.
- ✗
Configure Multi-AZ with SQL Server Mirroring instead of Always On Availability Groups.
Why it's wrong here
Both options provide similar failover times; the issue is application timeout.
- ✓
Enable automatic failover handling in the application's JDBC connection string.
Why this is correct
Automatic failover in the connection string allows the application to reconnect quickly.
- ✗
Use Amazon RDS Proxy to manage connections.
Why it's wrong here
RDS Proxy is not supported for SQL Server.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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