An organization is upgrading its network and all of its workstations. The project will occur in phases, with infrastructure upgrades each month and workstation installs every other week. The schedule should accommodate the enterprise-wide changes, while minimizing the impact to the network. Which of the following schedules BEST addresses these requirements?

A. Monthly vulnerability scans, biweekly topology scans, daily host discovery scans
B. Monthly topology scans, biweekly host discovery scans, monthly vulnerability scans
C. Monthly host discovery scans, biweekly vulnerability scans, monthly topology scans
D. Monthly topology scans, biweekly host discovery scans, weekly vulnerability scans