- A
Amazon GuardDuty
Why wrong: GuardDuty generates the security finding. Detective uses GuardDuty findings as input and provides the investigative context and visualisations to understand the scope and root cause of the threat.
- B
AWS CloudTrail
Why wrong: CloudTrail provides the raw API call logs. An analyst could manually search them, but Detective automates the analysis and provides interactive visualisations of relationships between resources.
- C
Amazon Detective
Detective analyses security data from CloudTrail, VPC Flow Logs, and GuardDuty to automatically build a behaviour graph. Analysts use the visual interface to trace the timeline of an incident, identify affected resources, and understand attacker lateral movement.
- D
AWS Security Hub
Why wrong: Security Hub aggregates and prioritises findings across security services. It provides a dashboard view but does not offer the deep investigative graph model and relationship analysis that Detective provides.
Quick Answer
Amazon Detective is the correct choice because it is purpose-built to analyze, investigate, and visualize the relationships between users, IPs, and resources involved in security findings. When GuardDuty flags a potentially compromised EC2 instance, Detective ingests that finding and automatically builds a graph model from log data, creating an interactive visual timeline of network connections, API calls, and user activity. On the AWS Certified Cloud Practitioner CLF-C02 exam, this question tests your understanding of how Detective complements GuardDuty by providing the investigative context that GuardDuty alone does not offer. A common trap is confusing Detective with GuardDuty itself or with services like CloudTrail or Config, but remember: GuardDuty detects the threat, Detective investigates it. For a memory tip, think of Detective as the “relationship visualizer” — it connects the dots between entities so you can see the full story behind a finding.
CLF-C02 Security and Compliance Practice Question
This CLF-C02 practice question tests your understanding of security and compliance. 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.
After GuardDuty generates a security finding about potentially compromised EC2 instances, a security analyst needs to investigate the full context of the threat — understanding which users, IPs, and resources were involved and how they relate to each other. Which AWS service helps investigators analyse and visualise these relationships?
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
Amazon Detective
Amazon Detective is designed specifically to analyze, investigate, and quickly identify the root cause of security findings by automatically collecting log data from AWS resources and building a graph model that shows relationships between users, IPs, and resources. When GuardDuty generates a finding about a potentially compromised EC2 instance, Detective can ingest that finding and provide a visual, interactive view of the entire resource interaction timeline, including network connections, API calls, and user activity, enabling investigators to understand the full context of the threat.
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.
- ✗
Amazon GuardDuty
Why it's wrong here
GuardDuty generates the security finding. Detective uses GuardDuty findings as input and provides the investigative context and visualisations to understand the scope and root cause of the threat.
- ✗
AWS CloudTrail
Why it's wrong here
CloudTrail provides the raw API call logs. An analyst could manually search them, but Detective automates the analysis and provides interactive visualisations of relationships between resources.
- ✓
Amazon Detective
Why this is correct
Detective analyses security data from CloudTrail, VPC Flow Logs, and GuardDuty to automatically build a behaviour graph. Analysts use the visual interface to trace the timeline of an incident, identify affected resources, and understand attacker lateral movement.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
AWS Security Hub
Why it's wrong here
Security Hub aggregates and prioritises findings across security services. It provides a dashboard view but does not offer the deep investigative graph model and relationship analysis that Detective provides.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Security Hub's aggregation and prioritization of findings with Detective's investigative and visualization capabilities, leading them to choose Security Hub when the question specifically asks for analyzing and visualizing relationships between users, IPs, and resources.
Detailed technical explanation
How to think about this question
Amazon Detective uses machine learning, statistical analysis, and graph theory to automatically create a resource interaction graph from VPC Flow Logs, CloudTrail logs, and DNS logs. This graph maps entities such as EC2 instances, IAM users, and IP addresses as nodes, and their interactions as edges, allowing investigators to traverse the graph to identify lateral movement or privilege escalation. In a real-world scenario, if an EC2 instance is compromised, Detective can show all API calls made from that instance, the IAM roles assumed, and any data exfiltration to external IPs, all within a single visual interface.
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 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
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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FAQ
Questions learners often ask
What does this CLF-C02 question test?
Security and Compliance — This question tests Security and Compliance — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Amazon Detective — Amazon Detective is designed specifically to analyze, investigate, and quickly identify the root cause of security findings by automatically collecting log data from AWS resources and building a graph model that shows relationships between users, IPs, and resources. When GuardDuty generates a finding about a potentially compromised EC2 instance, Detective can ingest that finding and provide a visual, interactive view of the entire resource interaction timeline, including network connections, API calls, and user activity, enabling investigators to understand the full context of the threat.
What should I do if I get this CLF-C02 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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Last reviewed: Jun 11, 2026
This CLF-C02 practice question is part of Courseiva's free Amazon Web Services 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 CLF-C02 exam.
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