← ANS-C01·Amazon Web Services

Question 745 of 1,705

Network Implementation →easyMultiple ChoiceObjective-mapped

ANS-C01 Network Implementation Practice Question

This ANS-C01 practice question tests your understanding of network implementation. 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. 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.

A company is deploying a new web application on AWS. They need to distribute incoming HTTPS traffic across multiple EC2 instances in different Availability Zones. Which AWS service should they use?

A
Amazon Route 53
Why wrong: Route 53 is a DNS service that can route traffic but not load-balance at the application layer.
B
Amazon CloudFront
Why wrong: CloudFront is a content delivery network, not a regional load balancer.
C
Application Load Balancer (ALB)
ALB operates at Layer 7, can terminate HTTPS, and distribute traffic across instances in multiple AZs.
D
Network Load Balancer (NLB)
Why wrong: NLB operates at Layer 4 and cannot terminate HTTPS or perform content-based routing.

Full breakdown with real-world context →

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 Application Load Balancer (ALB) is the correct choice because it operates at Layer 7 (HTTP/HTTPS) and can terminate TLS, inspect HTTPS headers, and route traffic based on content. It is designed to distribute incoming HTTPS traffic across multiple EC2 instances in different Availability Zones, providing health checks and automatic scaling.

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.

✗
Amazon Route 53
Why it's wrong here
Route 53 is a DNS service that can route traffic but not load-balance at the application layer.
✗
Amazon CloudFront
Why it's wrong here
CloudFront is a content delivery network, not a regional load balancer.
✓
Application Load Balancer (ALB)
Why this is correct
ALB operates at Layer 7, can terminate HTTPS, and distribute traffic across instances in multiple AZs.
Related concept
Read the scenario before looking for a memorised answer.
✗
Network Load Balancer (NLB)
Why it's wrong here
NLB operates at Layer 4 and cannot terminate HTTPS or perform content-based routing.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates often confuse Layer 4 (NLB) with Layer 7 (ALB) and incorrectly choose NLB because it handles high throughput, but they miss that HTTPS requires application-layer inspection and TLS termination, which only ALB provides natively.

Detailed technical explanation

How to think about this question

Under the hood, the ALB uses a listener to terminate TLS on port 443, then evaluates rules based on host headers, path patterns, or query strings to forward requests to target groups. A subtle behavior is that ALB supports sticky sessions (session affinity) using cookies, which can be critical for stateful web applications. In a real-world scenario, if the application requires WebSocket support, the ALB natively handles WebSocket upgrades, whereas an NLB would require additional configuration.

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.

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

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

An e-commerce site experiences heavy traffic on Black Friday and near-zero traffic during off-peak weeks. Rather than provisioning permanent large VMs, the team uses auto-scaling groups that add capacity automatically under load and reduce it overnight. Questions like this test whether you understand elasticity, availability zones, and cloud compute scaling patterns.

What to study next

Got this wrong? Here's your next step.

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

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FAQ

Questions learners often ask

What does this ANS-C01 question test?

Network Implementation — This question tests Network Implementation — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Application Load Balancer (ALB) — The Application Load Balancer (ALB) is the correct choice because it operates at Layer 7 (HTTP/HTTPS) and can terminate TLS, inspect HTTPS headers, and route traffic based on content. It is designed to distribute incoming HTTPS traffic across multiple EC2 instances in different Availability Zones, providing health checks and automatic scaling.

What should I do if I get this ANS-C01 question wrong?

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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This ANS-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 ANS-C01 exam.