Exchange Connectivity Purpose Guide the design and management of connectivity to trading venues and market data sources. Covers FIX session management, market data feed architecture, exchange protocols, trading halts and circuit breakers, symbology and reference data, and connectivity resilience. Enables building or evaluating trading infrastructure that maintains reliable, low-latency connections to exchanges, ATS venues, and market data providers. Layer 11 — Trading Operations (Order Lifecycle & Execution) Direction both When to Use - Designing or evaluating connectivity architecture to one…