Which type of zone will allow different virtual systems to communicate with each other?

The correct answer is D. External. External zones are used in PAN-OS to enable inter-vsys (virtual system) communication. When two virtual systems need to exchange traffic, each vsys has an external zone that references the other vsys, creating a logical path between them. Tap zones (A) are used for passive…

Submitted by paula_co· Apr 18, 2026Core Concepts

Question

Options

ATap
BTunnel
CVirtual Wire
DExternal

How the community answered

(57 responses)

A
2% (1)
B
2% (1)
C
2% (1)
D
95% (54)

Explanation

External zones are used in PAN-OS to enable inter-vsys (virtual system) communication. When two virtual systems need to exchange traffic, each vsys has an external zone that references the other vsys, creating a logical path between them. Tap zones (A) are used for passive traffic monitoring (SPAN/mirror). Tunnel zones (B) are for VPN tunnel termination. Virtual Wire zones (C) are for bump-in-the-wire deployments. None of A, B, or C provide the inter-vsys routing function that External zones do.

Topics

#Virtual Systems (vsys)#Security Zones#Inter-vsys Communication#PAN-OS Zones

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