SCS-C02 Threat Detection and Incident Response Practice Question
This SCS-C02 practice question tests your understanding of threat detection and incident response. 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.
During an incident response, a security engineer needs to collect volatile data from an EC2 instance running Linux. The instance is in a private subnet with no direct internet access. The engineer has IAM permissions to use AWS Systems Manager Session Manager. Which command should the engineer use to capture memory and process information?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "which command"
Why it matters: Tests specific CLI syntax. Recall the exact command and its required context — near-synonyms and partial matches are common distractors.
Option D is correct because AWS Systems Manager Session Manager with the AWS-StartInteractiveCommand document allows the security engineer to establish an interactive shell session to the EC2 instance without requiring direct internet access, SSH keys, or a bastion host. From this interactive session, the engineer can run native Linux commands like 'cat /proc/meminfo' or 'ps aux' to capture volatile memory and process information directly, which is the appropriate method for collecting volatile data during incident response.
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.
The clue word "which command" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse 'collecting volatile data' with running a forensic tool like Volatility via SSM Run Command, but they overlook that Volatility is not pre-installed, /dev/mem is restricted, and the correct approach is to use an interactive session (Session Manager) to run native OS commands for live data collection.
Trap categories for this question
Command / output trap
This retrieves console output, not memory or process information.
Detailed technical explanation
How to think about this question
Session Manager uses the SSM Agent (ssm-agent) running on the instance to create a secure WebSocket tunnel through AWS's control plane, bypassing the need for network-level access (no inbound ports, no bastion, no VPN). When using AWS-StartInteractiveCommand, the engineer gets a shell session where they can run 'sudo cat /proc/meminfo' or 'sudo ps aux' to capture volatile data; however, for full memory acquisition, tools like LiME (Linux Memory Extractor) would need to be pre-installed or loaded as a kernel module, as direct /dev/mem access is restricted by the kernel's strict devmem protection (CONFIG_STRICT_DEVMEM) since Linux 2.6.
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
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.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Threat Detection and Incident Response — This question tests Threat Detection and Incident Response — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: aws ssm start-session --target i-1234567890abcdef0 --document-name AWS-StartInteractiveCommand — Option D is correct because AWS Systems Manager Session Manager with the AWS-StartInteractiveCommand document allows the security engineer to establish an interactive shell session to the EC2 instance without requiring direct internet access, SSH keys, or a bastion host. From this interactive session, the engineer can run native Linux commands like 'cat /proc/meminfo' or 'ps aux' to capture volatile memory and process information directly, which is the appropriate method for collecting volatile data during incident response.
What should I do if I get this SCS-C02 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "which command". Tests specific CLI syntax. Recall the exact command and its required context — near-synonyms and partial matches are common distractors.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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