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Core Concepts and ArchitectureeasyMultiple ChoiceObjective-mapped

PCNSE Core Concepts and Architecture Practice Question

An administrator configures the management interface with IP 192.168.1.1/24 and can ping it from a host on the same subnet, but cannot access the web interface. What is the likely cause?

⚠ Common exam trap

Test-takers frequently assume a reachable IP (via ping) implies all management services are accessible, but Palo Alto separates ICMP from HTTP/HTTPS in the management profile, so ping success does not guarantee web access.

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 is not enabled in the interface management profile.

The management interface on a Palo Alto Networks firewall requires an explicit management profile that enables HTTP/HTTPS access. Even if the interface has a valid IP and is reachable via ping (ICMP), the web server will not respond to HTTP/HTTPS requests unless the corresponding services are enabled in the interface management profile. By default, the management interface may have a profile that allows only ping, not web access.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • The web server is not running.

    Why it's wrong here

    The web server is integral to the firewall; it's always running if management is enabled.

  • The host is not in the allowed IP list.

    Why it's wrong here

    By default, all IPs are allowed; if restricted, ping would also likely fail.

  • The firewall is in FIPS mode.

    Why it's wrong here

    FIPS mode does not block web interface; it enforces more stringent encryption.

  • HTTP/HTTPS is not enabled in the interface management profile.

    Why this is correct

    The management profile must explicitly allow HTTP/HTTPS.

Visual reference

192.168.1.0 /24 256 addresses (254 usable) 192.168.1.0 /25 Subnet A 128 addr (126 usable) 192.168.1.128 /25 Subnet B 128 addr (126 usable) Borrowing 1 bit from host portion creates 2 subnets (/25)

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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.