An organization is migrating its current guest network to Cisco ISE and has 1000 guest users in the current database. There are no resources to enter this infor...

An organization is migrating its current guest network to Cisco ISE and has 1000 guest users in the current database. There are no resources to enter this information into the Cisco ISE database manually.What must be done to accomplish this task efficiently?

A. Use an XML file to change the existing format to match that of Cisco ISE. B. Use a CSV file to import the guest accounts. C. Use a JSON file to automate the migration of guest accounts. D. Use SQL to link the existing database to Cisco ISE.