This SCS-C02 practice question tests your understanding of security logging and monitoring. 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.
2024-05-01T12:00:00Z us-east-1 eni-12345 10.0.1.5 10.0.2.10 443 12345 6 10 5000 1620144781 1620144782 ACCEPT OK
Refer to the exhibit. This is a line from a VPC Flow Log. A security analyst notices that the log shows an ACCEPT record for a connection from 10.0.1.5 to 10.0.2.10 on port 443. However, the analyst expected the connection to be denied. Which field in the flow log record indicates that the connection was accepted?
2024-05-01T12:00:00Z us-east-1 eni-12345 10.0.1.5 10.0.2.10 443 12345 6 10 5000 1620144781 1620144782 ACCEPT OK
The action field (ACCEPT)
The action field indicates accepted or rejected.
The version field (2)
Why wrong: Version is the flow log format version.
The protocol field (6)
Why wrong: Protocol indicates TCP.
The destination port field (443)
Why wrong: Port is the destination port.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
The action field (ACCEPT)
Option D is correct. The 11th field (ACCEPT) is the action field, which indicates whether the traffic was accepted or rejected. Option A is wrong because the version field (1st field) is 2. Option B is wrong because the protocol field (7th field) is 6 (TCP). Option C is wrong because the destination port (5th field) is 443.
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.
The action field (ACCEPT)
Why this is correct
The action field indicates accepted or rejected.
Related concept
Static NAT maps one inside address to one outside address.
The version field (2)
Why it's wrong here
Version is the flow log format version.
The protocol field (6)
Why it's wrong here
Protocol indicates TCP.
The destination port field (443)
Why it's wrong here
Port is the destination port.
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 SCS-C02 NAT questions on configuration and troubleshooting.
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FAQ
Security Logging and Monitoring — This question tests Security Logging and Monitoring — Static NAT maps one inside address to one outside address..
The correct answer is: The action field (ACCEPT) — Option D is correct. The 11th field (ACCEPT) is the action field, which indicates whether the traffic was accepted or rejected. Option A is wrong because the version field (1st field) is 2. Option B is wrong because the protocol field (7th field) is 6 (TCP). Option C is wrong because the destination port (5th field) is 443.
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 SCS-C02 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
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