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30 Cards in this Set
- Front
- Back
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Describe the Private VLAN structure.
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It consists of a Primary VLAN and one or more Secondary VLANs. It allows Promiscuous ports to access devices on the Secondary VLANs but keeps the traffic between Secondary VLANs isolated.
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What is a Primary Private VLAN ?
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A Primary VLAN can be associated with one or more Secondary VLANs.
It carries traffic from promiscuous ports to isolated, community, and other promiscuous ports in the same Primary Private VLAN. |
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What is a Secondary Private VLAN?
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A child of one Primary VLAN.
It can communicate with ports on the Primary VLAN but not other Secondary VLANs. |
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What are the two Secondary VLAN types?
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Isolated
Community |
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What is an Isolated VLAN?
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-Devices can reach the Primary VLAN but NOT other Secondary VLANs.
-Hosts in the same Secondary VLAN can NOT reach each other. -Isolated from everything BUT the Primary VLAN. |
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Can devices in an Isolated Secondary VLAN reach the Primary VLAN?
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Yes
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Can devices in an Isolated Secondary VLAN reach devices in other Secondary VLANs?
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No
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Can devices in an Isolated Secondary VLAN reach other devices in the same Isolated VLAN?
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No
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True or False? Devices in an isolated VLAN are isolated from everything except the Primary VLAN?
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TRUE
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What is a Community VLAN?
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Allows devices to reach the Primary VLAN AND devices in the same Secondary VLAN. Can NOT reach devices in other Secondary VLANs.
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What are the two Private VLAN port types?
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Promiscuous
Host |
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What is a Private VLAN Promiscuous port?
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A port that can communicate with devices on the Primary or Secondary VLANs.
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Give an example of what may connect to a Promiscuous port.
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Routers, firewalls, or other common gateway devices.
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What is a Private VLAN Host port?
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Devices can only communicate with a promiscuous port or ports on the same community VLAN
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Where can a device connected to a Host port communicate?
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A promiscuous port or ports on the same community VLAN.
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Does VTP pass any information about Private VLANs?
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No
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Should you create the Primary VLAN or Secondary VLANs first?
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Secondary
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What is the order for setting up Private VLANs?
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1. Set VTP mode to transparent
2. Create the Secondary VLANs 3. Create the Primary VLAN 4. Associate the Primary VLAN with the Secondary VLANs 5. Define the individual ports mode (host or promiscuous) 6. Associate the individual ports with their respective VLANs |
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Do you need to manually set the VLANs for each port for Private VLANs?
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No, it is automatically done when associated with a Primary and Secondary VLANs.
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Can a Promiscuous mode port be associated with multiple Secondary VLANs?
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Yes
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Can a SVI be associated with Secondary VLANs?
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Yes, by mapping them.
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What is the Private VLAN root command?
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private-vlan
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When configuring Private VLANs, what configuration task must you do first?
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Set the VTP mode to Transparent.
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How many Isolated VLANs can be associated with one Primary VLAN?
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1
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What are the three options a VLAN can be configured as using the "private-vlan" vlan command?
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Community
Isolated Primary |
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What command will associate a Primary VLAN and Secondary VLAN?
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private-vlan association <secondary-vlan-list>
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What VLAN interface command will map Secondary VLANs to the Primary VLAN?
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private-vlan mapping <secondary-vlan-list>
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What interface command will configure the private VLAN mode?
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switchport mode private-vlan {host | promiscuous}
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What interface command will map a Primary VLAN and Secondary VLANs to the interface?
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switchport mode private-vlan <primary> <seconday>
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Can Private VLANs be carried on trunk ports?
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Yes
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