A network design engineer is asked to design a SAN for a company. Which three underlying principles of SAN design should be considered? (Choose three.)

Scalability of LAN infrastructure and reduced Ethernet QoS complexity are concerns for LAN/Ethernet networks, not fundamental underlying principles of a dedicated SAN (Storage Area Network) design.

Port density and topology requirements are crucial for SAN design to ensure there are enough physical ports for current device connections and future expansion, while also defining the optimal connection architecture for the SAN fabric.

Device performance and oversubscription ratios are vital in SAN design to guarantee that the storage fabric can handle the anticipated I/O throughput from attached devices without introducing bottlenecks or unacceptable latency.

Fault isolation is a core principle in SAN design, ensuring that a failure or disruption in one part of the SAN fabric does not propagate and affect other parts, thus maintaining high availability even when consolidating storage resources.

While security management is important for any network, 'preferential network security' is vague and not a fundamental underlying principle of SAN design in the same technical vein as fault isolation or performance considerations.

Future growth in WAN infrastructure is irrelevant to the design principles of a local Storage Area Network (SAN), which focuses on storage connectivity within a data center.