A. Delete 512, 1024, and 4096 on the Enterprise Policy tab.
B. Delete 512 and 1024 on the Enterprise Policy tab.
C. Select 2048 and 4096 on the Enterprise Policy tab.
D. Select 2048 on the Enterprise Policy tab.
Reference: https://docs.citrix.com/en-us/citrix-adc/current-release/ssl/faq-ssl1.html