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Which two statements about the protected ports feature and the private VLAN feature are true? (Choose two.)
Correct Answer: A,D
Explanation/Reference: Protected Ports (PVLAN Edge) In some network environments, there is a requirement for no traffic to be seen or forwarded between host (s) on the same LAN segment, thereby preventing interhost communications. The PVLAN edge feature provisions this isolation by creating a firewall-like barrier, thereby blocking any unicast, broadcast, or multicast traffic among the protected ports on the switch. Note that the significance of the protected port feature is limited to the local switch, and there is no provision in the PVLAN edge feature to isolate traffic between two "protected" ports located on different switches. For this purpose, the PVLAN feature can be used. Reference. http://www.ciscopress.com/articles/article.asp?p=1181682&seqNum=2