nerdexam
CompTIACompTIA

PT0-003 · Question #164

PT0-003 Question #164: Real Exam Question with Answer & Explanation

The correct answer is A: Covert data exfiltration. Covert Data Exfiltration: DNS traffic can be leveraged for covert data exfiltration because it is often allowed through firewalls and not heavily monitored. Tools or techniques for DNS tunneling encode sensitive information into DNS queries or responses, resulting in an observabl

Submitted by rachelw· Mar 6, 2026Post-exploitation and Lateral Movement

Question

A client recently hired a penetration testing firm to conduct an assessment of their consumer- facing web application. Several days into the assessment, the client's networking team observes a substantial increase in DNS traffic. Which of the following would most likely explain the increase in DNS traffic?

Options

  • ACovert data exfiltration
  • BURL spidering
  • CHTML scrapping
  • DDoS attack

Explanation

Covert Data Exfiltration: DNS traffic can be leveraged for covert data exfiltration because it is often allowed through firewalls and not heavily monitored. Tools or techniques for DNS tunneling encode sensitive information into DNS queries or responses, resulting in an observable increase in DNS traffic.

Topics

#DNS exfiltration#covert data exfiltration#network anomalies

Community Discussion

No community discussion yet for this question.

Full PT0-003 PracticeBrowse All PT0-003 Questions