You can think of layers in a Photoshop image as individual sheets of clear plastic that are in a stack.

What firewall type compares each packet that goes against a rule set and determines if the packet is allowed or denied?

a. Packet filters b. Stateful inspection c. Screened host d. Dual-homed host

Explain why a DNS cache poisoning attack can compromise DKIM but not S/MIME. Describe how DKIM could be modified to defend against DNS based attacks

What will be an ideal response?