A company needs strong wireless security enabled for minimal cost. Which of the following security measures is the BEST to use?（）

单项选择题Which of the following networks would MOST likely require EGP routing?（）

A. Networks that use OSPF in addition to static routes
B. Networks with classless Internet domain routing
C. Networks with multiple ISPs
D. Networks that use encryption

单项选择题Which of the following operates in the 2.4GHz range and has a MAXIMUM distance of 10 meters (33 feet)?（）

A.x-10
B.Bluetooth
C.802.11a
D.802.11b

单项选择题Which of the following describes an area where communications equipment is stored?（）

A. HVAC
B. MDF
C. 110 block
D. Demarc

单项选择题A new department is formed and a new section of the building is being built out for them. All 50 new employees will need access to the wireless network. Which of the following should be completed to allow these new employees access to the wireless network?（）

A. Frequency settings should be changed
B. Additional WAPs should be installed
C. Channels should be changed
D. VLANs should be added

单项选择题Which of the following is required if ports from VLANs on two separate switches need to broadcastto each other?（）

A. Port mirroring
B. VPN
C. Trunking
D. Port authentication