You have been tasked with installing two SRX 5600 platforms in a high-availability cluster. Which requirement must be met for a successful installation？（）

• A、You must enable SPC detect within the configuration.
• B、You must enable active-active failover for redundancy.
• C、You must ensure all SPCs use the same slot placement.
• D、You must configure auto-negotiation on the control ports of both devices