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34 Cards in this Set
- Front
- Back
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What is a static VLAN? |
A VLAN where ports are assigned to a particular VLAN |
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What is a dynamic VLAN? |
A VLAN where a particular end device's MAC is assigned to a particular VLAN |
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Which is more secure, a static VLAN or a dynamic VLAN? |
Static VLAN |
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What is a static VLAN normally used for? |
Devices that don't move often (desktops, printers, servers) |
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What are the 2 requirements for router-on-a-stick? |
Must be a trunked link, and must be 100 Mbps or faster |
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Where is VTP/VLAN information stored? |
In vlan.dat in flash |
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What do you have to do to erase all VLAN data? |
Erase vlan.dat in flash and delete startup-config |
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What is VMPS? |
VLAN Management Policy Server: maintains a database of MAC-to-VLAN mappings for dynamic VLANs |
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What tracks MAC-to-VLAN mappings for a dynamic VLAN? |
A VLAN Management Policy Server (VMPS) |
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What command will set a port as an access port? |
Switchport mode access |
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What command will tell a port to go into Trunking mode only if its neighbor requests it? |
Switchport mode dynamic auto |
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What does the command "switchport mode dynamic auto" do? |
Puts a port into Trunking mode only if its neighbor initiates DTP |
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What command tells a port to attempt to negotiate a trunk port? |
Switchport mode dynamic desirable |
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What does the command "switchport mode dynamic desirable" do? |
Tells a port to attempt to negotiate a trunk link |
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What command will put a port into trunk mode? |
Switchport mode trunk |
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What does the command "switchport nonegotiate" do? |
Tells a port not to send out DTP packets |
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What 2 modes (on a neighbor) are safe to pair with switchport nonegotiate? |
Access and trunk modes |
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What command will show information about a switch's trunk links? |
Show interface trunk |
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What command will set what VLANs are allowed on a trunk? |
Switchport trunk allowed vlan |
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What are the 6 options for "switchport trunk allowed vlan"? |
Add, remove, all, none, except, and WORD |
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What command will change a trunk's native VLAN? |
Switchport trunk native VLAN <#> |
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What does 802.1q do to make sure that traffic can still be routed to switches that can't handle VLANs? |
It doesn't add a header to traffic on the native VLAN |
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Which performs better, router-on-a-stick or an L3 switch? |
The L3 switch |
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What encapsulation method will 2 Cisco switches choose if they are both set to negotiate? |
ISL |
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What command will add the voice VLAN to an access port? |
Switchport voice vlan <#> |
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What global config command will create a VLAN and put you in VLAN configuration mode? |
vlan <#> |
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What command is used to set the VTP mode? |
Vtp mode {client | server | transparent} |
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What is the command to set a port's access or trunking mode? |
Switchport mode {access | trunking | dynamic <auto | desirable>} |
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What command is used to set a port's encapsulation mode? |
Switchport trunk encapsulation {isl | dot1q | negotiate} |
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In the "show interfaces trunk" display, what does "VLANs Allowed" indicate? |
VLANs 1-1094, except those excluded by "switchport trunk allowed" |
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In the "show interface trunk" display, what does "VLANs allowed and active" indicate? |
All VLANs defined on the local switch (including discovered via VTP), except those specifically excluded by "switchport trunk allowed" |
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In the "show interfaces trunk" display, what does "VLANs in spanning tree" indicate? |
All VLANs present on a switch, except those excluded by "switchport trunk allowed", blocked by STP, or pruned |
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What danger does having different native VLANs on opposite ends of a trunk create? |
Traffic on the native VLAN on one end will be tagged as a member of the native VLAN of the other end of the trunk |
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What two settings can be used to avoid using VTP? |
Transparent or off |
