The correct answer is Amazon Kinesis Data Streams combined with Amazon Kinesis Data Firehose. This combination excels at real-time log processing from multiple AWS services because Kinesis Data Streams ingests high-throughput log data from sources like CloudTrail, VPC Flow Logs, and AWS WAF, while Kinesis Data Firehose provides the ability to filter, transform (using Lambda), and reliably route logs to multiple destinations such as S3, Elasticsearch, or Splunk in near real-time. On the AWS Certified Security Specialty SCS-C02 exam, this question tests your understanding of building a centralized, scalable log pipeline that decouples ingestion from routing—a common architectural pattern for security monitoring. A frequent trap is choosing CloudWatch Logs subscription filters, which can send logs to Lambda but lack native multi-destination routing, or selecting S3 as a processing service when it is purely a storage destination. Memory tip: think of Kinesis Data Streams as the “highway” for log traffic, and Kinesis Data Firehose as the “off-ramps” that deliver to your chosen destinations.
SCS-C02 Security Logging and Monitoring Practice Question
This SCS-C02 practice question tests your understanding of security logging and monitoring. 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 security team wants to collect and analyze logs from multiple AWS services including CloudTrail, VPC Flow Logs, and AWS WAF. They need a centralized solution that can filter, transform, and route logs to multiple destinations in near real-time. Which AWS service should they use?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Amazon Kinesis Data Streams combined with Amazon Kinesis Data Firehose
Option D is correct because Amazon CloudWatch Logs subscription filter can send logs to Lambda for transformation, but not route to multiple destinations easily. Option A is correct because Amazon Kinesis Data Streams can ingest logs and then use Kinesis Data Analytics for transformation and Kinesis Data Firehose for routing to multiple destinations. Option B is incorrect because S3 is a storage destination, not a processing and routing service. Option C is incorrect because CloudWatch Logs Insights is for querying, not real-time routing.
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.
✗
Amazon CloudWatch Logs Insights
Why it's wrong here
CloudWatch Logs Insights is for querying, not routing.
✗
Amazon CloudWatch Logs subscription filters with AWS Lambda
Why it's wrong here
This can transform logs but is not ideal for multiple destinations.
✓
Amazon Kinesis Data Streams combined with Amazon Kinesis Data Firehose
Why this is correct
Kinesis Data Streams ingests real-time data, and Firehose can deliver to multiple destinations.
Related concept
Static NAT maps one inside address to one outside address.
✗
Amazon S3 with S3 Event Notifications
Why it's wrong here
S3 is not a real-time processing service.
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 media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
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 SCS-C02 NAT questions on configuration and troubleshooting.
Security Logging and Monitoring — This question tests Security Logging and Monitoring — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Amazon Kinesis Data Streams combined with Amazon Kinesis Data Firehose — Option D is correct because Amazon CloudWatch Logs subscription filter can send logs to Lambda for transformation, but not route to multiple destinations easily. Option A is correct because Amazon Kinesis Data Streams can ingest logs and then use Kinesis Data Analytics for transformation and Kinesis Data Firehose for routing to multiple destinations. Option B is incorrect because S3 is a storage destination, not a processing and routing service. Option C is incorrect because CloudWatch Logs Insights is for querying, not real-time routing.
What should I do if I get this SCS-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 SCS-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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