156-561 · Question #127
Which rules are created in the Rulebase by the administrator, and are configured to allow or block traffic based on specified criteria?
The correct answer is C. Explicit. Explicit rules (option C) are manually created by administrators in the firewall rulebase to intentionally permit or deny traffic based on defined criteria such as source, destination, service, and action - they exist only because an admin deliberately added them. Implicit…
Question
Which rules are created in the Rulebase by the administrator, and are configured to allow or block traffic based on specified criteria?
Options
- Aimplicit
- Bdefault
- CExplicit
- Dimplied
How the community answered
(18 responses)- A6% (1)
- C89% (16)
- D6% (1)
Explanation
Explicit rules (option C) are manually created by administrators in the firewall rulebase to intentionally permit or deny traffic based on defined criteria such as source, destination, service, and action - they exist only because an admin deliberately added them.
Implicit rules (A) and implied rules (D) refer to the same concept: rules automatically enforced by the firewall without being visibly listed in the rulebase (e.g., "drop all traffic not matched by any rule"). Default rules (B) are pre-configured baseline rules built into the system by the vendor, not created by the administrator.
Memory tip: Think explicit = expressed - an admin explicitly writes these rules out, making them visible and intentional in the policy. If you didn't type it in, it's not explicit.
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