DOP-C02 Incident and Event Response Practice Question
This DOP-C02 practice question tests your understanding of incident and event response. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 DevOps engineer is investigating a security incident where an EC2 instance was compromised. The engineer needs to collect forensic data without losing volatile information. Which TWO actions should the engineer take? (Choose two.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create a snapshot of the attached EBS volumes.
Option B is correct because taking a snapshot of the EBS volume preserves the disk state for analysis. Option C is correct because collecting memory dump captures volatile data like running processes and network connections. Option A is wrong because terminating the instance destroys evidence. Option D is wrong because detaching the volume stops the instance, but if the instance is stopped, memory is lost; better to snapshot while running. Option E is wrong because the instance metadata is not volatile and can be retrieved later.
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
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Detach the EBS volumes and attach them to a forensic instance.
Why it's wrong here
Detaching stops the instance, but memory is lost; better to snapshot first.
✗
Retrieve the instance metadata from the console.
Why it's wrong here
Instance metadata is not volatile and can be retrieved later.
✓
Create a snapshot of the attached EBS volumes.
Why this is correct
Snapshot preserves disk state for later analysis.
Related concept
Static NAT maps one inside address to one outside address.
✓
Collect a memory dump from the instance before stopping it.
Why this is correct
Memory dump captures volatile data.
Related concept
Static NAT maps one inside address to one outside address.
✗
Terminate the instance immediately to prevent further access.
Why it's wrong here
Terminating destroys forensic evidence.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
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
How to think about this question
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.
KKey Concepts to Remember
Static NAT maps one inside address to one outside address.
PAT allows many inside hosts to share one public address using ports.
Inside local and inside global describe the private and translated addresses.
NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
→Identify inside and outside interfaces first.
→Check whether the scenario needs static NAT, dynamic NAT or PAT.
→Do not confuse NAT matching ACLs with normal packet-filtering intent.
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
How this comes up in practice
A company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
What to study next
Got this wrong? Here's your next step.
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 DOP-C02 NAT questions on configuration and troubleshooting.
Incident and Event Response — This question tests Incident and Event Response — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Create a snapshot of the attached EBS volumes. — Option B is correct because taking a snapshot of the EBS volume preserves the disk state for analysis. Option C is correct because collecting memory dump captures volatile data like running processes and network connections. Option A is wrong because terminating the instance destroys evidence. Option D is wrong because detaching the volume stops the instance, but if the instance is stopped, memory is lost; better to snapshot while running. Option E is wrong because the instance metadata is not volatile and can be retrieved later.
What should I do if I get this DOP-C02 question wrong?
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 DOP-C02 NAT questions on configuration and troubleshooting.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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Question Discussion
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