多项选择题 XYZ LTD wants to connect Cisco IP Phones and Cisco Aironet Access Points to the network. The customer also wants to use the PoE features included in the Cisco Catalyst Express 500 Series Switches. Which two models can provide this features?（）

单项选择题 Which of the following is a new product that is included in the Cisco SMB Support Assistant?（）

多项选择题 If XYZ LTD has a problem with the hardware, which two options does the Cisco SMRTnet Contract Offer?（）