PAS-C01 Operations and Maintenance Practice Question
Which THREE steps should an administrator take to troubleshoot an issue where an SAP application server cannot connect to the database server after a security group change? (Choose THREE.)
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
✓
Check the outbound rules of the application server's security group
The first step is to verify the security group rules. Then check network ACLs. VPC Flow Logs can confirm if traffic is allowed or denied. Checking the OS firewall is also important. Restarting instances and changing route tables are too disruptive and unlikely to be the root cause. Changing security groups again without analysis is guesswork.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Check the outbound rules of the application server's security group
Why this is correct
Security groups are stateful, but outbound rules can affect traffic if not configured properly.
- ✗
Modify the route tables to ensure direct communication
Why it's wrong here
Route tables are usually correct within a VPC; changing them is not a troubleshooting step.
- ✗
Restart both the application and database servers
Why it's wrong here
Restarting is unnecessary and disruptive; the issue is likely network configuration.
- ✓
Review the network ACL rules for the subnets
Why this is correct
NACLs are stateless and may block traffic.
- ✓
Verify the inbound rules of the database server's security group allow traffic from the application server
Why this is correct
Security groups must allow inbound traffic from the source.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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