PCNSE Core Concepts and Architecture Practice Question
An enterprise requires separate administrative domains within a single firewall chassis for different business units. Each domain must have its own virtual router, security policies, and interface configuration. What is the appropriate PAN-OS feature?
⚠ Common exam trap
Candidates often confuse the Cisco term 'multiple contexts' with PAN-OS Virtual Systems, as candidates familiar with Cisco firewalls may incorrectly select Option B, not realizing that PAN-OS uses a different terminology and architecture for multi-tenancy.
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
✓
Multiple virtual systems (vsys)
Virtual Systems (vsys) are the PAN-OS feature that enables partitioning a single physical firewall into multiple independent virtual firewalls. Each vsys operates with its own virtual router, security policies, and interface configuration, meeting the requirement for separate administrative domains for different business units within one chassis.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Administrative roles with RBAC
Why it's wrong here
RBAC roles only control which administrators can view or change configuration; they do not create separate routing, policy or interface instances. It tempts because role separation sounds like domain separation, but RBAC would be correct when the requirement is limiting administrator permissions within one shared configuration.
- ✗
Multiple contexts
Why it's wrong here
Multiple contexts is a Juniper SRX term, not PAN-OS; PAN-OS achieves this separation through virtual systems, each with its own virtual router, policies and interfaces. It tempts candidates familiar with Juniper terminology, where multiple contexts genuinely deliver administrative domain separation on a single chassis.
- ✗
Multiple virtual routers
Why it's wrong here
Virtual routers segment the routing and forwarding tables, but they do not create separate administrative domains with their own administrators, policies and interface configuration. It tempts because virtual routers isolate routing, and would be correct if only routing separation, not administrative separation, were required.
- ✓
Multiple virtual systems (vsys)
Why this is correct
Multiple virtual systems partition one chassis into isolated logical firewalls, each with its own virtual router, security policies and interfaces. This delivers the separate administrative domains the business units require, which a single vsys or interface-level zoning cannot provide.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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