单项选择题 One of your customers has deployed a Layer 3 gateway in the untrusted network. Which gateway mode is appropriate for this customer?（）

单项选择题 During consultation, you find that a customer has only a single asset closet and is looking for a solution that is easy to deploy. Which NAS physical deployment model would you suggest to this customer?（）

多项选择题 The Cisco NAC Appliance is able to check which three items before allowing network access?（）