In order for a firewall to effectively protect a network against external attacks, what fundamental...

Isaca CISA Question Answer

In order for a firewall to effectively protect a network against external attacks, what fundamental practice must be followed?

The firewall must be placed in the demilitarized zone (DMZ).

Only essential external services should be permitted.

Filters for external information must be defined.

All external communication must be via the firewall.

CISA PDF/Engine

Get 65% Discount on All Products, Use Coupon: "ac4s65"