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Which one can act as both source and destination address?
Multicast
None of these
Unicast
Broadcast
Data transmissions originate from a single source, but unicast can be both source and destination address. >>Questions like this muddy the water. "Unicast is one-to-one traffic, such as a client surfing the Web." -CISSP Study Guide, or "Unicast technology supports only a single communication to a specific recipient" - ISC2 Study Guide 7th ed. >> I'd like an example. Broadcast can since the packet goes to every node on that network segment, Multicast could as in a phone alerting system. I can't think of an example of Unicast being both source and destination. Question is pretty bad. This is the exact definition of unicast "■ Unicast technology supports only a single communication to a specific recipient." from CISSP study guide 7th edition. I'd like to know where the reference to this question originated from.
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