Question 918 of 1,040
SAA-C03 ALB HTTPS Listener Practice Question
This SAA-C03 practice question tests your understanding of design secure architectures. 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. A key principle to apply: aLB HTTPS Listener. 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.
A company is designing a secure multi-tier web application on AWS. The application uses an Application Load Balancer (ALB) to distribute traffic to EC2 instances in private subnets, and the EC2 instances need to access an Amazon RDS database in a separate private subnet. The company must ensure that all traffic is encrypted in transit and that only necessary access is allowed. Which of the following steps should the company take to meet these requirements? (Choose four.)
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
✓
Configure the ALB with an HTTPS listener and install a TLS certificate from AWS Certificate Manager (ACM).
To meet the requirements, the company should: 1) Configure the ALB with an HTTPS listener and install a TLS certificate from ACM to encrypt client-to-ALB traffic. 2) Configure the RDS security group to allow inbound traffic on the database port only from the EC2 security group, ensuring least privilege. 3) Enable SSL/TLS for connections between EC2 instances and RDS to encrypt database traffic. The option to use an NLB with a TLS listener is unnecessary; the ALB can be configured with an HTTPS target group to encrypt traffic between the ALB and EC2 instances. Thus, the correct answers are A, C, and D.
Key principle: ALB HTTPS Listener
Common exam traps
Common exam trap: answer the scenario, not the keyword
Candidates may think that an NLB with TLS is required to encrypt traffic between the ALB and EC2 instances, but the ALB itself can forward traffic using HTTPS to the target group, achieving end-to-end encryption without an extra NLB.
Detailed technical explanation
How to think about this question
When using an ALB with an HTTPS listener, ACM provides and manages the TLS certificate, which can be automatically renewed. The ALB terminates the TLS connection, decrypts the traffic, and forwards it to the EC2 instances over HTTP (or HTTPS if you configure backend encryption). For RDS, enabling SSL/TLS encryption in transit requires the database client (EC2) to use a connection string with the 'ssl' or 'sslmode' parameter, and the RDS instance must have a certificate bundle installed; AWS RDS provides a public certificate for this purpose.
KKey Concepts to Remember
- ALB HTTPS Listener
- Security Group Least Privilege
- SSL/TLS for RDS
TExam Day Tips
- 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
ALB HTTPS Listener
Real-world example
How this comes up in practice
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
Visual reference
What to study next
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Review aLB HTTPS Listener, then practise related SAA-C03 questions on the same topic to reinforce the concept.
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FAQ
Questions learners often ask
What does this SAA-C03 question test?
Design Secure Architectures — This question tests Design Secure Architectures — ALB HTTPS Listener.
What is the correct answer to this question?
The correct answer is: Configure the ALB with an HTTPS listener and install a TLS certificate from AWS Certificate Manager (ACM). — To meet the requirements, the company should: 1) Configure the ALB with an HTTPS listener and install a TLS certificate from ACM to encrypt client-to-ALB traffic. 2) Configure the RDS security group to allow inbound traffic on the database port only from the EC2 security group, ensuring least privilege. 3) Enable SSL/TLS for connections between EC2 instances and RDS to encrypt database traffic. The option to use an NLB with a TLS listener is unnecessary; the ALB can be configured with an HTTPS target group to encrypt traffic between the ALB and EC2 instances. Thus, the correct answers are A, C, and D.
What should I do if I get this SAA-C03 question wrong?
Review aLB HTTPS Listener, then practise related SAA-C03 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
ALB HTTPS Listener
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Last reviewed: Jun 11, 2026
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