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

Cisco Express Forwarding (CEF) is mainly used to increase packet switching speed, reducing the overhead and delays introduced by other routing techniques, increasing overall performance.Which of the following concerning CEF is recommended by Cisco?（）

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?（）

You are the Cisco Network Designer. Which of these is least important when determining how many users a NAS can support?（）

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?（）

In which NAS operating mode are ACL filtering and bandwidth throttling only provided during posture assessment?（）

Which two of these are advantages of placing the VPN device in the DMZ on the firewall?（）

Please match the Cisco STP enahancement term to its definition.（）(1) BPDU guard(2) PortFast(3) BackboneFast(4) Loop guard(5) Root guard(a) shuts down a port that receives a BPDU when enabled(b) cuts convergence time by mas-age for indirect failure(c) prevents the aliernate or root port from being designated in absence of BPDUs(d )causes Layer 2 LAN interface access port to immediately enter the forwarding state(e) helps prevent bridging loops due to jni-directional link failures on point-to-point links

You are the network consultant from pass4sure.com. One of your customer has six sites, three of which process a large amount of traffic among them. He plans to grow the number of sites in the future. Which is the most appropriate design topology?（）

An organization hires a contractor who only needs access to email and a group calendar. They do not need administrator access to the computer. Which VPN model is the most appropriate?（）