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

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?（）

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?（）

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

During consultation, you find that a customer has multiple asset closets and will be adding more in the future. Which NAS physical deployment model would you suggest to this customer?（）

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

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?（）

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

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