As an experienced technician, you are responsible for Technical Support. One of the trainees is asking your advice on VPN Termination Device and Firewall Placement. Which of the following approaches will you recommend?（）

What amount of cell overlap ensures smooth roaming for wireless endpoints?（）

What is the recommended radius of a cell for a voice-ready wireless network?（）

As an experienced technician, you are responsible for Technical Support. A customer calls to ask the best signal level and noise level for cell phone. How to respond?（）

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

What is the recommended practice when considering VPN termination and firewall placement?（）

Which of these statements is true of routing protocols in a hub-and-spoke IPsec VPN topology?（）

What is the term for a logical SAN which provides isolation among devices physically connected to the same fabric?（）

Please match the Cisco NAC appliance component to its description.（）(1)Cisco NAS(2)Cisco NAA(3)Rule-set Lpdates(4)Cisco NAM(a) a centralized management point(b) an in-band cr out-of-band device for network access control(c) a Windows-based client which allows network access based on the tasks running(d) a status crecker for operating systems,antivirus,antispyware,etc.

As an experienced technician, you are responsible for infrastructure design and global configuration changes. You are asked to deploy a Voice over Wireless LAN for your company. If the cells have the same channel, the separation between them should be:（）