You are planning a SAN solution for Your customer. What is the most important SAN design consideration?

Define a disaster recovery plan.
Determine the customer's business and IT requirements.
Determine the hardware requirements for the customer's most critical business application.
Use devices from a single vendor.

Answer(s): B

When is zoning required? (Select three.)

when the number of nodes or ports in the SAN exceeds the storage system connection limit
when mixing OpenVMS and Tru64 UNIX operating systems connected to the same storage subsystem
when the SAN performance does not meet the needs of the customer's application environment
when there are known interaction problems between different hardware platforms
when mixing operating systems that are currently only supported in homogeneous SANs
when inter-switch linktrunking between core switches is implemented

Answer(s): A,D,E