Multicast Networking Questions

Knowledge of one to many distribution in IP networks including Internet Group Management Protocol for host membership and Protocol Independent Multicast in sparse and dense modes. Candidates should understand rendezvous point and source specific multicast models, multicast routing and forwarding state, multicast virtual private network patterns for isolation, layer two multicast handling such as snooping and upstream replication, scaling and operational challenges for large deployments, multicast for use cases like live video or market data distribution, and debugging approaches including multicast traceroute and route inspection.