A network architect has designed a two-tier topology for the campus LAN and is planning to implement routing at the core.
Which requirement might cause the network architect to consider implementing routing at the access layer?
A . Employees in different VLANs need to use collaboration applications to share high-resolution graphic files
B . The solution must support an isolated VLAN for wired guest devices
C . Employees need to be placed in dynamic VLANs, assigned by a RADIUS server in identity, so that network managers can manage the solution more easily
D . The customer has an HP Unified Wired-WLAN solution, and wireless users need to roam seamlessly across the site
Answer: C