A system administrator is implementing a firewall ACL to block specific communication to and from a predefined list of IP addresses, while allowing all other
communication. Which of the following rules is necessary to support this implementation?
A.
Implicit allow as the last rule
B.
Implicit allow as the first rule
C.
Implicit deny as the first rule
D.
Implicit deny as the last rule
This A make sense. Other versions of this questions does not have any sense.
And yes, Implicit Allow and Deny exist.
http://www.techexams.net/forums/isc-sscp-cissp/96564-making-sure-i-understand-implicit-explicit-allow-deny.html
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