This CCSP practice question tests your understanding of cloud security operations. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 security analyst is conducting a forensic investigation of a compromised virtual machine in a public cloud. The VM is running in a production environment and cannot be stopped. Which of the following techniques is MOST appropriate to acquire volatile memory evidence?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use the cloud provider's API to take a memory snapshot of the VM.
Option C is correct because cloud providers like AWS, Azure, and GCP offer APIs (e.g., AWS EC2 CreateSnapshot with memory flag, Azure Disk Snapshot with memory, or GCP VM memory snapshot) that capture the VM's volatile memory (RAM) without stopping the instance. This is the only technique that preserves the runtime state (processes, network connections, encryption keys) while respecting the production constraint that the VM cannot be stopped.
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.
✗
Create a snapshot of the VM's disk and then analyze it.
Why it's wrong here
Disk snapshots do not include volatile memory.
✗
Perform a network packet capture to capture memory data.
Why it's wrong here
Network captures do not capture memory contents.
✓
Use the cloud provider's API to take a memory snapshot of the VM.
Why this is correct
Many cloud providers offer memory acquisition APIs that do not require stopping the instance.
Related concept
Read the scenario before looking for a memorised answer.
✗
Run `dd if=/dev/mem of=/tmp/mem.dump` from within the VM.
Why it's wrong here
This could corrupt the system and is not cloud-optimized; also, the guest may be compromised.
Common exam traps
Common exam trap: answer the scenario, not the keyword
ISC2 often tests the misconception that `dd if=/dev/mem` is a valid forensic acquisition method in cloud environments, but the trap is that it requires root access, alters the system state, and is not supported in many cloud VM configurations, whereas the cloud provider's API is the only non-disruptive, forensically sound method for volatile memory capture in a production VM that cannot be stopped.
Detailed technical explanation
How to think about this question
Cloud providers implement memory snapshots via hypervisor-level mechanisms (e.g., Xen's save/restore, KVM's virsh dump) that capture the full guest RAM state without the guest OS being aware. For example, AWS Nitro System can take a memory snapshot of an EC2 instance using the `CreateSnapshot` API with the `SnapshotType` parameter set to `Memory`, which freezes the instance for only a few seconds and preserves the entire memory address space, including kernel structures and encrypted data in use.
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 developer is choosing between AES-256 (symmetric) and RSA-2048 (asymmetric) for encrypting a large file that will be sent to a partner. Symmetric encryption is fast but requires key exchange; asymmetric is slower but solves the key distribution problem. A hybrid approach — encrypt the file with AES, encrypt the AES key with RSA — is standard. Questions like this test whether you understand when each approach applies.
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.
Cloud Security Operations — This question tests Cloud Security Operations — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use the cloud provider's API to take a memory snapshot of the VM. — Option C is correct because cloud providers like AWS, Azure, and GCP offer APIs (e.g., AWS EC2 CreateSnapshot with memory flag, Azure Disk Snapshot with memory, or GCP VM memory snapshot) that capture the VM's volatile memory (RAM) without stopping the instance. This is the only technique that preserves the runtime state (processes, network connections, encryption keys) while respecting the production constraint that the VM cannot be stopped.
What should I do if I get this CCSP question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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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