- A
The health check path is incorrect.
Why wrong: The path is specified in the ALB, and the Web Dispatcher serves it, so it should be correct.
- B
The security group for the Web Dispatcher does not allow traffic from the ALB.
Security groups must allow inbound traffic from the ALB.
- C
The health check port is wrong.
Why wrong: The port should match the Web Dispatcher listener port.
- D
The ALB is in a different VPC.
Why wrong: ALB and targets must be in the same VPC.
Question 730 of 1,733
ALB Health Check Failure in SAP — Security Group Misconfiguration
This PAS-C01 practice question tests your understanding of technology. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
An SAP system on AWS is configured with an Application Load Balancer (ALB) for health checks. The ALB marks all targets as unhealthy. The health check path is /sap/public/health.html, and the SAP Web Dispatcher is configured to serve this file. What is the most likely cause of the health check failure?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"most likely"Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
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 security group for the Web Dispatcher does not allow traffic from the ALB.
ALB health checks originate from private IP addresses within the VPC. If the SAP Web Dispatcher's security group does not allow inbound traffic from the ALB's security group, the health check requests will be blocked. Path or port issues would also cause failures, but the most common cause is security group misconfiguration.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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 health check path is incorrect.
Why it's wrong here
The path is specified in the ALB, and the Web Dispatcher serves it, so it should be correct.
- ✓
The security group for the Web Dispatcher does not allow traffic from the ALB.
Why this is correct
Security groups must allow inbound traffic from the ALB.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
The health check port is wrong.
Why it's wrong here
The port should match the Web Dispatcher listener port.
- ✗
The ALB is in a different VPC.
Why it's wrong here
ALB and targets must be in the same VPC.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A healthcare organisation deploys an application with a public-facing web tier and a private database tier. The database subnet has no public IP and only accepts connections from the web tier's security group. Questions like this test whether you can design cloud network isolation using VNets/VPCs, subnets, and security group rules.
What to study next
Got this wrong? Here's your next step.
Identify which PAS-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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FAQ
Questions learners often ask
What does this PAS-C01 question test?
Technology — This question tests Technology — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The security group for the Web Dispatcher does not allow traffic from the ALB. — ALB health checks originate from private IP addresses within the VPC. If the SAP Web Dispatcher's security group does not allow inbound traffic from the ALB's security group, the health check requests will be blocked. Path or port issues would also cause failures, but the most common cause is security group misconfiguration.
What should I do if I get this PAS-C01 question wrong?
Identify which PAS-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Same concept, more angles
3 more ways this is tested on PAS-C01
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. Refer to the exhibit. An SAP application load balancer (ALB) is configured with the CloudFormation snippet. The ALB is not distributing traffic to the EC2 instances. What is the most likely cause?
hard- A.The security group does not allow inbound traffic
- B.The target type is instance but the instances are not registered
- ✓ C.The target group is not associated with the load balancer
- D.The load balancer scheme is internet-facing but instances are in private subnets
Why C: The snippet does not include a listener for the ALB. Without a listener, the ALB cannot accept traffic. The target group is defined but not associated with the ALB via a listener rule. The scheme is internet-facing, which is correct. The security group may allow traffic, but no listener exists.
Variation 2. Refer to the exhibit. An Application Load Balancer is configured to route traffic to an Auto Scaling group of web servers. The health check for the target group is failing. The web servers are healthy and running, but the health check endpoint is returning a 503 status code because the application cannot connect to the database. The database is an Amazon RDS instance in the same VPC. Which action should the solutions architect take to resolve the health check failure?
medium- A.Restart the web server instances to reset the database connection.
- ✓ B.Change the health check endpoint to a static page that does not require database connectivity.
- C.Modify the application's health check endpoint to return a 200 OK status even when the database is unavailable.
- D.Increase the health check interval to allow more time for the database to respond.
Why B: Option B is correct because the health check endpoint should validate the web server's ability to serve traffic, not the database's availability. By changing the health check to a static page (e.g., /health.html) that does not depend on database connectivity, the load balancer will correctly assess the web server's health independently. This decouples the health check from the database, preventing cascading failures where a database outage causes all web servers to be marked unhealthy and removed from the target group.
Variation 3. An SAP system uses an Application Load Balancer (ALB) to distribute traffic to web servers. The ALB is configured with a health check that fails, causing the web servers to be marked as unhealthy. What is a possible reason for the health check failure?
easy- A.The instance is in a private subnet
- B.The instance type is not supported by the ALB
- C.The security group for the ALB does not allow outbound traffic
- ✓ D.The web server is not configured to respond to the health check path
Why D: A common health check failure is when the health check path (e.g., /health) returns a non-200 status code. The security group allowing traffic from the ALB is required. Instance type does not affect health check. The subnet is not a direct cause.
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Last reviewed: Jun 20, 2026
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