How many channels are defined in the IEEE 802.11b DSSS channel set?（）

One of your customers wishes to use the NAS to perform DHCP functions and does not currently have a Layer 3 gateway in its production network. Which gateway mode is appropriate for this customer?（）

In a VoWLAN deployment, what is the recommended separation between cells with the same channel?（）

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

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:（）

Which of the following is the primary consideration to scale VPNs?（）

Which signal and noise values will result in the best phone communication with an access point?（）

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.

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