After dividing an interface of the firewall into the Untrust security zone, the interface belongs to the Untrust zone and no longer belongs to the Local zone.

Question

Options

• ATRUE
• BFALSE

• A
  21% (4)
• B
  79% (15)

Explanation

Option B (FALSE) is correct because the Local zone is a special system zone representing the firewall device itself, not a zone interfaces belong to in the traditional sense. Even after an interface is assigned to the Untrust zone, any traffic destined to the firewall through that interface is still processed via the Local zone - the Local zone relationship persists regardless of interface zone assignments. Option A is wrong because it incorrectly treats the Local zone as a regular zone that interfaces can leave; in reality, the Local zone is tied to the firewall's own processes and IP addresses, not to physical interface membership. The Local zone cannot have interfaces manually added or removed from it - it is a reserved, read-only system zone with the highest security level (100).

Memory tip: Think of the Local zone as the firewall's "home base" - it always represents the firewall itself. Assigning an interface to Untrust changes where through-traffic is processed, but traffic to the firewall still goes home to Local. Local zone = firewall's identity, not an interface assignment.

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