If inadequate, which of the following would be the MOST likely contributor to a denial-of- service attack?

A. Router configuration and rules

B. Design of the internal network

C. Updates to the router system software

D. Audit testing and review techniques

Explanation:

Inadequate router configuration and rules would lead to an exposure to denial-of-service attacks. Choices B and C would be lesser contributors. Choice D is incorrect because audit testing and review techniques are applied after the fact.