A Network Administrator Needs to Replace an Antiquated Access Layer

A network administrator needs to replace an antiquated access layer solution with a modular solution involving AOS-CX switches. The administrator wants to leverage virtual switching technologies. The solution needs to support high-availability with dual-control planes. Which solution should the administrator implement?

A) AOS-CX 8325
B) AOS-CX 6300
C) AOS-CX 6400
D) AOS-CX 8400