Virtual LANs


Which of the following is an IEEE standard for frame tagging?

Answer: C

802.1Q was created to allow trunked links between disparate switches.

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Answer: D

This question is a little vague, but the best answer is that the VLAN membership for the port is not configured.

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What VTP mode allows you to change VLAN information on the switch?

Answer: C

Only in server mode can you change VTP information on a switch.

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Which of the following protocols are used to configure trunking on a switch?

1.VLAN Trunk Protocol




Answer: C

Cisco has a proprietary trunking protocol called ISL. The IEEE version is 802.1Q.

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Which of the following are benefits of VLANs?

1.They increase the size of collision domains.

2.They allow logical grouping of users by function.

3.They can enhance network security.

4.They increase the size of broadcast domains while decreasing the number of collision domains.

5.They simplify switch administration.

6.They increase the number of broadcast domains while decreasing the size of the broadcast domains.

Answer: D

VLANs break up broadcast domains in a switched layer 2 network, which means smaller broadcast domains. They allow configuration by logical function instead of physical location and can create some security if configured correctly.

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