PCNSE Deploy and Configure Firewalls Practice Question
A firewall's management interface becomes unresponsive. The administrator can still ping the management IP. What is the most likely cause?
⚠ Common exam trap
Test-takers frequently assume any unresponsive management interface must be a network or resource issue, overlooking that ICMP and management services use separate processes, so ping success does not guarantee management service availability.
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
✓
HTTP/HTTPS service disabled
When the management interface is unresponsive to HTTPS/SSH but still responds to ICMP (ping), it typically indicates that the management services (HTTP/HTTPS) are disabled on the interface. Ping operates at the network layer (ICMP) and does not require the management daemon to be running, while HTTPS requires the web server process to be enabled and bound to the management interface. This is a common misconfiguration in Palo Alto Networks firewalls where the 'HTTP' or 'HTTPS' service is unchecked under the Management Interface Settings.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Management interface IP conflict
Why it's wrong here
An IP conflict would cause intermittent connectivity for all services, including ping.
- ✗
CPU overload
Why it's wrong here
CPU overload would likely affect ping as well, making it unresponsive.
- ✓
HTTP/HTTPS service disabled
Why this is correct
If the HTTPS service is disabled, the web UI will be unreachable, but ICMP (ping) can still respond if allowed.
- ✗
Management profile misconfiguration
Why it's wrong here
A misconfiguration would affect all management services, including ping.
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About these practice questions
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This PCNSE practice question is part of Courseiva's free Palo Alto Networks certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PCNSE exam.