Which of the following best describes the operation of a non-designated forwarder (non-DF) in a single-active Ethernet segment?
Blocks Tx unicast, allows Rx unicast, blocks Tx BUM, allows Rx BUM
Allows Tx unicast, allows Rx unicast, blocks Tx BUM, allows Rx BUM
Blocks Tx unicast, blocks Rx unicast, blocks Tx BUM, blocks Rx BUM
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