Quick Answer
The answer is Amazon CloudWatch Contributor Insights, VPC Flow Logs, and Amazon CloudWatch Logs. VPC Flow Logs capture the IP traffic metadata—including source and destination IP addresses, protocols, and packet counts—flowing over the Direct Connect private VIF, while CloudWatch Logs stores and centralizes that flow log data for analysis. CloudWatch Contributor Insights then processes the logs to identify top talkers, bandwidth hogs, and traffic patterns, giving you the granular monitoring you need for the private VIF. On the ANS-C01 exam, this combination tests your understanding of how to monitor Direct Connect private VIF traffic without relying on CloudTrail or AWS Config, which track API calls and configuration changes, not network flows. A common trap is choosing CloudTrail because it sounds like traffic logging, but remember: CloudTrail records who did what, not what packets went where. Memory tip: think “Flow, Store, Analyze”—VPC Flow Logs capture, CloudWatch Logs store, Contributor Insights analyze.
This ANS-C01 practice question tests your understanding of network management and operations. 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.
A company wants to monitor network traffic between its VPC and on-premises data center over a Direct Connect private VIF. The network team needs to capture the source and destination IP addresses, protocols, and packet counts. Which THREE AWS services or features should they use together? (Choose three.)
Amazon CloudWatch Logs
Can store and query flow logs.
VPC Flow Logs
Captures IP traffic information.
AWS CloudTrail
Why wrong: CloudTrail logs API calls, not network traffic.
AWS Config
Why wrong: Tracks configuration changes.
Amazon CloudWatch Contributor Insights
Can analyze flow log data for top contributors.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Amazon CloudWatch Logs
Option B is correct because VPC Flow Logs capture IP traffic metadata. Option D is correct because CloudWatch Logs can store and analyze flow logs. Option E is correct because CloudWatch Contributor Insights can analyze flow log data to identify top talkers etc. Option A is wrong because CloudTrail records API calls. Option C is wrong because AWS Config tracks configuration.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Amazon CloudWatch Logs
Why this is correct
Can store and query flow logs.
Related concept
Static NAT maps one inside address to one outside address.
VPC Flow Logs
Why this is correct
Captures IP traffic information.
Related concept
Static NAT maps one inside address to one outside address.
AWS CloudTrail
Why it's wrong here
CloudTrail logs API calls, not network traffic.
AWS Config
Why it's wrong here
Tracks configuration changes.
Amazon CloudWatch Contributor Insights
Why this is correct
Can analyze flow log data for top contributors.
Related concept
Static NAT maps one inside address to one outside address.
Common exam traps
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
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
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related ANS-C01 NAT questions on configuration and troubleshooting.
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FAQ
Network Management and Operations — This question tests Network Management and Operations — Static NAT maps one inside address to one outside address..
The correct answer is: Amazon CloudWatch Logs — Option B is correct because VPC Flow Logs capture IP traffic metadata. Option D is correct because CloudWatch Logs can store and analyze flow logs. Option E is correct because CloudWatch Contributor Insights can analyze flow log data to identify top talkers etc. Option A is wrong because CloudTrail records API calls. Option C is wrong because AWS Config tracks configuration.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related ANS-C01 NAT questions on configuration and troubleshooting.
Static NAT maps one inside address to one outside address.
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Last reviewed: Jun 20, 2026
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.
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