What action will inform end users when their access to Internet content is being restricted?

Given the network diagram, traffic should be permitted for both Trusted and Guest users to access general Internet and DMZ servers using SSH. web-browsing and SSL applications Which policy achieves the desired results?
A)

B)

C)

D)

In a security policy what is the quickest way to rest all policy rule hit counters to zero?

Which statement is true regarding a Best Practice Assessment?

According to the best practices for mission critical devices, what is the recommended interval for antivirus updates?