Which two approaches can the designer utilize to restrict the number of Fibre Channel domains below 239?

The ANSI restriction that only 239 Fibre Channel domains are allowed per SAN fabric creates challenges for the designer working on a Cisco Data Center Unified Fabric network.

Which two approaches can the designer utilize to restrict the number of Fibre Channel domains below 239? (Choose two.)
A . Daisy chain up to 100 core Fibre Channel switches, leaving 139 domains for the network edge.
B . Assign a domain ID for each blade switch and top-of-rack access layer switch.
C . Use NPV to cause a fabric or blade switch to appear as a host to the core Fibre Channel switch.
D . Migrate to FCoE to eliminate the need for Fibre Channel domains.
E . Utilize VSANs to allow scaling well beyond 239 domain IDs.

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Answer: CE