Quick Answer
The answer is VPC Flow Logs. This is the correct choice because VPC Flow Logs capture metadata about IP traffic flowing to and from network interfaces, allowing you to monitor network throughput between EC2 instances and S3 by analyzing metrics like byte counts and packet rates, which directly reveals bandwidth limitations causing latency. On the AWS Certified SAP on AWS Specialty PAS-C01 exam, this question tests your ability to distinguish between network-level diagnostics and application-level metrics—a common trap is confusing CloudWatch S3 request metrics (which measure API call volume, not network throughput) with actual IP traffic flow data. Remember that VPC Flow Logs operate at Layer 3 of the OSI model, making them ideal for diagnosing throughput issues, while CloudWatch and Trusted Advisor address different concerns. Memory tip: think “Flow for throughput, CloudWatch for count.”
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. 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 running on AWS experiences high latency when accessing data in Amazon S3. The operations team suspects network bandwidth limitations. Which AWS service can be used to monitor the network throughput between the EC2 instances and S3?
Amazon CloudWatch S3 metrics
Why wrong: S3 metrics show request counts, not network throughput.
AWS Trusted Advisor
Why wrong: Trusted Advisor offers recommendations, not monitoring.
AWS Config
Why wrong: Config tracks resource changes.
VPC Flow Logs
Flow Logs capture traffic information for analysis.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
VPC Flow Logs
Option C is correct because VPC Flow Logs capture IP traffic information and can help analyze throughput. Option A is incorrect because CloudWatch metrics for S3 are request-level, not network. Option B is incorrect because Trusted Advisor provides best practice checks, not real-time monitoring. Option D is incorrect because Config records resource changes, not network performance.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Amazon CloudWatch S3 metrics
Why it's wrong here
S3 metrics show request counts, not network throughput.
AWS Trusted Advisor
Why it's wrong here
Trusted Advisor offers recommendations, not monitoring.
AWS Config
Why it's wrong here
Config tracks resource changes.
VPC Flow Logs
Why this is correct
Flow Logs capture traffic information for analysis.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
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.
Trap categories for this question
Command / output trap
S3 metrics show request counts, not network throughput.
Detailed technical explanation
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.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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.
What to study next
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.
Operations and Maintenance — study guide chapter
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FAQ
Operations and Maintenance — This question tests Operations and Maintenance — Read the scenario before looking for a memorised answer..
The correct answer is: VPC Flow Logs — Option C is correct because VPC Flow Logs capture IP traffic information and can help analyze throughput. Option A is incorrect because CloudWatch metrics for S3 are request-level, not network. Option B is incorrect because Trusted Advisor provides best practice checks, not real-time monitoring. Option D is incorrect because Config records resource changes, not network performance.
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.
Read the scenario before looking for a memorised answer.
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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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