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

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

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

Client traffic is being bridged through LAN interfaces on two WLCs. Which roaming option will keep them on the same IP subnet?（）

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

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?（）

Refer to the exhibit. Which two statements about the topologies shown are correct?（）

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?（）

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?（）

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?（）