- A
Immediately isolate the workload by blocking all outbound traffic in the security group.
Why wrong: Isolation may be necessary later, but it would stop the potential exfiltration and prevent further analysis of the traffic.
- B
Deploy a host-based intrusion detection system (HIDS) agent on the workload.
Why wrong: HIDS agents are useful but may not be installed yet and require time to deploy; flow logs can be enabled immediately.
- C
Run a vulnerability scanner against the workload to identify possible entry points.
Why wrong: Vulnerability scanning does not reveal current network traffic patterns or ongoing data exfiltration.
- D
Enable VPC flow logs for the subnet hosting the workload and analyze the logs.
VPC flow logs provide network-level visibility and can quickly show anomalous outbound connections without requiring agent installation.
Quick Answer
The answer is to enable VPC flow logs for the subnet hosting the workload and analyze the logs. This is the best initial step because VPC flow logs capture metadata—including source and destination IPs, ports, protocols, and byte counts—for all IP traffic traversing the network interfaces, allowing the security team to identify the external destination and characterize the exfiltration pattern without deploying agents or disrupting service. On the CCSP exam, this scenario tests your understanding of cloud-native monitoring tools for incident response, often contrasting flow logs with agent-based solutions or packet inspection; a common trap is choosing to capture full packets immediately, which is resource-intensive and slower for initial triage. Remember the memory tip: “Flow logs first—metadata before packets” to prioritize speed and scope when investigating data exfiltration.
CCSP Cloud Security Operations Practice Question
This CCSP practice question tests your understanding of cloud security operations. 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.
A company's security team is investigating an anomalous spike in outbound traffic from a cloud workload. The workload is a web server running in an IaaS environment. The team suspects data exfiltration. Which of the following is the BEST initial step to identify the source and type of traffic?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"best"Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Enable VPC flow logs for the subnet hosting the workload and analyze the logs.
Option D is correct because VPC flow logs capture metadata about all IP traffic to and from network interfaces in a subnet, including source/destination IPs, ports, protocols, and packet/byte counts. Analyzing these logs allows the security team to identify the external destination IPs and ports involved in the anomalous outbound traffic, which is the fastest way to pinpoint the source workload and characterize the exfiltration pattern without disrupting service or requiring agent deployment.
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.
- ✗
Immediately isolate the workload by blocking all outbound traffic in the security group.
Why it's wrong here
Isolation may be necessary later, but it would stop the potential exfiltration and prevent further analysis of the traffic.
- ✗
Deploy a host-based intrusion detection system (HIDS) agent on the workload.
Why it's wrong here
HIDS agents are useful but may not be installed yet and require time to deploy; flow logs can be enabled immediately.
- ✗
Run a vulnerability scanner against the workload to identify possible entry points.
Why it's wrong here
Vulnerability scanning does not reveal current network traffic patterns or ongoing data exfiltration.
- ✓
Enable VPC flow logs for the subnet hosting the workload and analyze the logs.
Why this is correct
VPC flow logs provide network-level visibility and can quickly show anomalous outbound connections without requiring agent installation.
Clue confirmation
The clue word "best" 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
ISC2 often tests the distinction between investigative actions and reactive containment; the trap here is that candidates may choose immediate isolation (Option A) as a 'best first step' when the question explicitly asks for the step to 'identify the source and type of traffic,' not to stop it.
Detailed technical explanation
How to think about this question
VPC flow logs operate at the hypervisor level, capturing network flows aggregated by the AWS VPC service (or equivalent in Azure/GCP) and storing them in CloudWatch Logs or S3. Each log entry includes fields like srcaddr, dstaddr, srcport, dstport, protocol, packets, bytes, and action (ACCEPT/REJECT), enabling the team to filter for high-byte-count flows to unusual external IPs. In a real-world scenario, analyzing flow logs can reveal a pattern of repeated large outbound TCP connections to a single IP on port 443, suggesting HTTPS-based exfiltration, or a sudden spike in UDP traffic to multiple destinations, indicating DNS tunneling.
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 security team runs a vulnerability scan on a web application and discovers an unpatched SQL injection flaw. The team prioritises remediation by CVSS score — critical flaws are patched within 24 hours, high within 7 days. Questions like this test whether you understand vulnerability management processes, scanning tools, and remediation prioritisation.
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.
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Cloud Security Operations — study guide chapter
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FAQ
Questions learners often ask
What does this CCSP question test?
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: Enable VPC flow logs for the subnet hosting the workload and analyze the logs. — Option D is correct because VPC flow logs capture metadata about all IP traffic to and from network interfaces in a subnet, including source/destination IPs, ports, protocols, and packet/byte counts. Analyzing these logs allows the security team to identify the external destination IPs and ports involved in the anomalous outbound traffic, which is the fastest way to pinpoint the source workload and characterize the exfiltration pattern without disrupting service or requiring agent deployment.
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.
Are there clue words in this question I should notice?
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 30, 2026
This CCSP practice question is part of Courseiva's free ISC2 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 CCSP exam.
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