- A
Amazon CloudFront
Why wrong: For content delivery.
- B
Network Load Balancer (NLB)
Why wrong: For TCP/UDP traffic.
- C
Amazon Route 53
Why wrong: For DNS.
- D
Application Load Balancer (ALB)
Registers EC2 instances as targets.
Question 1,051 of 1,733
PAS-C01 Application Load Balancer Practice Question
This PAS-C01 practice question tests your understanding of operations and maintenance. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. A key principle to apply: application Load Balancer. 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 runs SAP S/4HANA on AWS with a three-tier architecture. The operations team receives alerts that the application server's CPU utilization is consistently above 90%. The team wants to add an additional application server to distribute the load. Which AWS service should be used to register the new instance with the SAP system's load balancer?
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
✓
Application Load Balancer (ALB)
The correct answer is D (Application Load Balancer). ALB can register EC2 instances as targets and distribute incoming traffic across multiple instances, making it suitable for adding an additional application server to distribute the load. Option A (CloudFront) is a CDN service, not a load balancer. Option B (Network Load Balancer) operates at the transport layer (TCP/UDP) and is not ideal for application-level load balancing. Option C (Route 53) is a DNS service and does not register instances directly.
Key principle: Application Load Balancer
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Amazon CloudFront
Why it's wrong here
For content delivery.
- ✗
Network Load Balancer (NLB)
- ✗
Amazon Route 53
Why it's wrong here
For DNS.
- ✓
Application Load Balancer (ALB)
Why this is correct
Registers EC2 instances as targets.
Related concept
Application Load Balancer
Common exam traps
Common exam trap: answer the scenario, not the keyword
Candidates may confuse NLB with ALB. For SAP applications using HTTP/HTTPS, ALB is appropriate.
Detailed technical explanation
How to think about this question
Treat this as a scenario question. Identify the problem, the constraint, and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- Application Load Balancer
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
Application Load Balancer
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.
Quick reference
OSI Model Reference
| Layer | Name | PDU | Key Protocols / Devices |
|---|---|---|---|
| 7 | Application | Data | HTTP, HTTPS, DNS, SMTP, FTP, SSH |
| 6 | Presentation | Data | TLS / SSL, JPEG, ASCII encoding |
| 5 | Session | Data | NetBIOS, RPC, SIP |
| 4 | Transport | Segment / Datagram | TCP, UDP |
| 3 | Network | Packet | IP, ICMP, OSPF — Routers |
| 2 | Data Link | Frame | Ethernet, Wi-Fi, PPP — Switches, Bridges |
| 1 | Physical | Bits | Cables, NICs, Hubs, Repeaters |
What to study next
Got this wrong? Here's your next step.
Review application Load Balancer, then practise related PAS-C01 questions on the same topic to reinforce the concept.
- →
Operations and Maintenance — study guide chapter
Learn the concepts, then practise the questions
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Operations and Maintenance practice questions
Targeted practice on this topic area only
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FAQ
Questions learners often ask
What does this PAS-C01 question test?
Operations and Maintenance — This question tests Operations and Maintenance — Application Load Balancer.
What is the correct answer to this question?
The correct answer is: Application Load Balancer (ALB) — The correct answer is D (Application Load Balancer). ALB can register EC2 instances as targets and distribute incoming traffic across multiple instances, making it suitable for adding an additional application server to distribute the load. Option A (CloudFront) is a CDN service, not a load balancer. Option B (Network Load Balancer) operates at the transport layer (TCP/UDP) and is not ideal for application-level load balancing. Option C (Route 53) is a DNS service and does not register instances directly.
What should I do if I get this PAS-C01 question wrong?
Review application Load Balancer, then practise related PAS-C01 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
Application Load Balancer
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Last reviewed: Jun 20, 2026
This PAS-C01 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PAS-C01 exam.
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