The operations manager for a sales group wants to ensure that sales personnel are able to use their laptops and other portable devices throughout a building using
both wireless and wired connectivity. Which of the following technologies would be MOST effective at increasing security of the network while still maintaining the
level of accessibility the operations manager requested?

A.
802.1X

B.
802.11n

C.
WPA2 authentication

D.
VLAN isolation

E.
Authenticated web proxy