350-501 Security and Services Practice Question
A service provider is using Cisco Peakflow for DDoS detection. Peakflow identifies anomalies based on network traffic telemetry. Which data collection method does Peakflow primarily use?
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
✓
NetFlow/IPFIX
Peakflow uses NetFlow (or IPFIX) data exported from routers to analyze traffic patterns and detect anomalies.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
NetFlow/IPFIX
Why this is correct
Peakflow relies on flow data for anomaly detection.
- ✗
Syslog
Why it's wrong here
Syslog provides logs, not traffic flow data.
- ✗
SNMP polling
Why it's wrong here
SNMP provides device statistics but not flow-level granularity.
- ✗
Packet capture
Why it's wrong here
Packet capture is too resource-intensive for large-scale detection.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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