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PCCET · Question #194

PCCET Question #194: Real Exam Question with Answer & Explanation

The correct answer is D: Port scanning. This question asks for the method used to discover and list vulnerabilities, services, and applications on a target.

Submitted by manish99· Apr 18, 2026Network Security

Question

Which method is used to enumerate vulnerabilities, services, and applications?

Options

  • APort evasion
  • BEncryption
  • CDNS tunneling
  • DPort scanning

Explanation

This question asks for the method used to discover and list vulnerabilities, services, and applications on a target.

Common mistakes.

  • A. Port evasion refers to techniques used to bypass port-based security controls, not to enumerate services or vulnerabilities.
  • B. Encryption is a method of securing data confidentiality and integrity, not a technique for discovering services or vulnerabilities.
  • C. DNS tunneling is a technique used for data exfiltration or command and control over DNS, not for initial enumeration of services or vulnerabilities.

Concept tested. Network reconnaissance techniques

Reference. https://learn.microsoft.com/en-us/azure/security-center/security-center-vulnerability-assessment-recommendations

Topics

#Port scanning#Network enumeration#Vulnerability assessment#Reconnaissance

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