Which private VLAN access port belongs to the primary VLAN and can communicate with all interfaces, including the community and isolated host ports?

A. promiscuous port

B. isolated port

C. community port

D. trunk port








 

Suggested Answer: A

The types of private VLAN ports are as follows:
✑ Promiscuous  A promiscuous port belongs to the primary VLAN. The promiscuous port can communicate with all interfaces, including the community
, that belong to those secondary VLANs associated to the promiscuous port and associated with the primary VLAN. You can have and isolated host ports several promiscuous ports in a primary VLAN. Each promiscuous port can have several secondary VLANs, or no secondary VLANs, associated to that port.
You can associate a secondary VLAN to more than one promiscuous port, as long as the promiscuous port and secondary VLANs are within the same primary
VLAN. You may want to do this for load-balancing or redundancy purposes. You can also have secondary VLANs that are not associated to any promiscuous port.
✑ Isolated  An isolated port is a host port that belongs to an isolated secondary VLAN. This port has complete isolation from other ports within the same private
VLAN domain, except that it can communicate with associated promiscuous ports. Private VLANs block all traffic to isolated ports except traffic from promiscuous ports. Traffic received from an isolated port is forwarded only to promiscuous ports. You can have more than one isolated port in a specified isolated VLAN. Each port is completely isolated from all other ports in the isolated VLAN.
✑ Community  A community port is a host port that belongs to a community secondary VLAN. Community ports communicate with other ports in the same community VLAN and with associated promiscuous ports. These interfaces are isolated from all other interfaces in other communities and from all isolated ports within the private VLAN domain.
Reference: http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/configuration/guide/cli/CLIConfigurationGuide/PrivateVLANs.html

This question is in 300-115 Implementing Cisco IP Switched Networks (SWITCH) Exam
For getting Cisco Certified Network Professional (CCNP) Routing and Switching Certificate





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