nerdexam
CompTIA

SY0-501 · Question #171

A penetration testing is preparing for a client engagement in which the tester must provide data that proves and validates the scanning tools' results. Which of the following is the best method for…

The correct answer is B. Use a protocol analyzer to log all pertinent network traffic. To validate penetration testing scan results, the best method for collecting proof data is to use a protocol analyzer to capture and log all relevant network traffic.

Submitted by ashley.k· Mar 4, 2026Security operations

Question

A penetration testing is preparing for a client engagement in which the tester must provide data that proves and validates the scanning tools' results. Which of the following is the best method for collecting this information?

Options

  • ASet up the scanning system's firewall to permit and log all outbound connections
  • BUse a protocol analyzer to log all pertinent network traffic
  • CConfigure network flow data logging on all scanning system
  • DEnable debug level logging on the scanning system and all scanning tools used.

How the community answered

(44 responses)
  • A
    7% (3)
  • B
    80% (35)
  • C
    2% (1)
  • D
    11% (5)

Why each option

To validate penetration testing scan results, the best method for collecting proof data is to use a protocol analyzer to capture and log all relevant network traffic.

ASet up the scanning system's firewall to permit and log all outbound connections

Firewall logs record connection attempts and allow/deny decisions but do not capture the actual data payloads or detailed protocol interactions exchanged during the scan, which are necessary for validation.

BUse a protocol analyzer to log all pertinent network trafficCorrect

A protocol analyzer captures raw network packets, providing granular detail of every request sent by the scanning tool and every response received from the target, which serves as irrefutable evidence to validate scan results and tool behavior.

CConfigure network flow data logging on all scanning system

Network flow data logging (e.g., NetFlow, IPFIX) provides summarized metadata about network conversations like source, destination, ports, and byte counts, but lacks the deep packet content needed to prove scan results.

DEnable debug level logging on the scanning system and all scanning tools used.

Debug level logging on the scanning system and tools provides internal operational details and the tool's interpretation of events, but it does not offer the objective, raw network traffic data required for external validation and proof of the scan's network interaction.

Concept tested: Network traffic analysis for penetration testing validation

Source: https://learn.microsoft.com/en-us/azure/network-watcher/network-watcher-overview-packet-capture

Topics

#penetration testing#protocol analyzer#evidence collection#network forensics

Community Discussion

No community discussion yet for this question.

Full SY0-501 Practice