Which Method Most Likely Identifies Legacy Systems?

Which of the following methods would most likely be used to identify legacy systems?

  1. Bug bounty program
  2. Vulnerability scan Source Reference Answer
  3. Package monitoring
  4. Dynamic analysis

Community Votes

B
100%

100% of anonymous learners picked answer B. Votes are pick records left by other test-takers — they are not the verified answer.

Community Insight

The exam tests your ability to match security techniques to their real-world purpose; the trap is choosing package monitoring because it sounds version-related, but vulnerability scans are specifically designed to inventory and assess the security posture of existing systems.

According to community consensus and Security+ exam guidance, vulnerability scanning is the primary method for identifying legacy systems, as it flags outdated software, unsupported OS versions, and unpatched devices.

Selecting Package monitoring (C) is the most common error because it seems relevant to tracking software versions, but package monitoring focuses on open-source dependencies and known vulnerabilities in those packages, not on detecting end-of-life or legacy internal systems.

Community Discussion (3 comments)

Murtuza 👍 4 Selected: B
The method most likely used to identify legacy systems is: B. Vulnerability scan. A vulnerability scan assesses systems for known vulnerabilities, outdated software versions, and unsupported systems. This makes it an effective way to identify legacy systems that may no longer be receiving security updates or support. A. Bug bounty program: This focuses on crowdsourcing the identification of specific vulnerabilities but is not primarily aimed at identifying legacy systems. C. Package monitoring: Tracks software packages for updates, but it doesn't specifically target legacy systems. D. Dynamic analysis: Involves testing software during runtime for vulnerabilities but is not typically used to identify legacy systems. A vulnerability scan is the most effective approach for identifying legacy systems in an environment
jafyyy 👍 1
C. Vulnerability Scan - can identify legacy systems as it can include outdated software versions and unpatched systems.
Cyberity 👍 1
Shouldnt the answer be Package Monitoring ?

Comments & Corrections

No comments yet — spotted an error or have a note? Share it below.

Log in to comment, report an error, or add a note about this question.

Submitted for moderation before publishing. Keep it helpful and respectful.

Expert Analysis

Why the Answer Is Correct

Vulnerability scanning is the standard method for identifying legacy systems because it actively reviews networks and endpoints for outdated software, missing patches, and unsupported OS versions. As comment [1] notes, a vulnerability scan 'assesses systems for known vulnerabilities, outdated software versions, and unsupported systems,' making it the natural choice for this task. Comment [2] reinforces this by pointing out that vulnerability scans 'can include outdated software versions and unpatched systems.' Thus, the scan provides the inventory and security data needed to spot legacy assets.

Why the Other Options Are Wrong

A bug bounty program (A) is a crowd-sourced effort to find exploitable vulnerabilities in an organization's own applications or systems; it relies on external researchers and does not systematically inventory all systems. Package monitoring (C) specifically tracks open-source software libraries for known CVEs, not the age or support status of an entire legacy system. Dynamic analysis (D) involves executing code to observe behavior, which is useful for testing specific applications but not for discovering legacy devices across an environment.

Community Comment Notes

Comment [1] provides a clear, high-quality explanation that directly supports answer B and outlines why the other methods are less appropriate. Comment [2] adds a concise confirmation from a different angle, emphasizing that vulnerability scans cover outdated software and unpatched systems. Comment [3] raises a reasonable counterpoint about package monitoring, but the expert consensus and the exam's intended scope align on vulnerability scanning as the broadest and most likely method for identifying legacy systems.

Official Reference

Exam Strategy

When a question asks about identifying legacy systems, remember that vulnerability scanning is the broadest method for discovering outdated and unsupported assets. Do not confuse package monitoring with system-level legacy detection—package monitoring only tracks third-party libraries in a supply chain context.

Related Analysis

Practice All SY0-701 Questions

Access 100 questions with complete answers and detailed explanations.

View Full SY0-701 Practice Test →

← Back to SY0-701 Study Guide