Question

A cloud provider is designing a new data center to host IaaS workloads. During the design review, an architect notes that all storage traffic for a compute cluster routes through a single storage controller with one uplink to the core network. The provider promises tenants 99.99% availability. Which design improvement most directly addresses the identified risk?

Accepted Answer

Implement redundant storage controllers with multipath I/O and dual uplinks to eliminate the single point of failure

Answer

Encrypt all data at rest on the storage array using tenant-managed keys

Answer

Deploy a web application firewall in front of the compute cluster

Answer

Increase the retention period of storage controller audit logs to meet compliance