Regarding zone types, which statement is true?
A.
You cannot assign an interface to a functional zone.
B.
You can specifiy a functional zone in a security policy.
C.
Security zones must have a scheduler applied.
D.
You can use a security zone for traffic destined for the device itself.
Answer: D
there are two types of zones in the Junos OS—user-defined and system-defined zones. User-defined zones include security and functional zones, both of which you can configure. The Null Zone is a system-defined zone that you cannot configure. The security zone allows transit packets and packets to the device itself. The functional zone allows only management traffic. The Null Zone is a placeholder for interfaces that do not belong to any zone. All interfaces belonging to the Null Zone drop all packets.
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