Which of the following statements about multicast packet forwarding is true?
A.
If a multicast data packet fails the RPF check, the packet must have been received through a sub-optimal interface. However, this interface still receives and forwards the multicast traffic downstream.
B.
IGMP snooping cannot control the scope of multicast traffic flooding on a Layer 2 network.
C.
The source address of a multicast packet is a unicast address.
D.
In multicast transmission, the destination address of a packet can be the unicast address of a host.
A stateful inspection firewall tracks the state of network connections and only matches the initial packet against its rule set. Subsequent packets in the same connection are matched in the state table. Contrary to this, UDP packets can be inspected by correlating them with connection states, and packets in a single connection are always correlated .
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