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

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?（）

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?（）

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

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:（）

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

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

In which tunnel-less VPN topology do group members register with a key server in order to receive the security association necessary to communicate with the group?（）

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