Virtual LANs

11. Which of the following provide inter-switch VLAN communication?

1. ISL
2. VTP
3. 802.1Q
4. 802.3Z

A. 2 only
B. 1 and 3
C. 2 and 4
D. 2, 3 and 4

Correct Answer: B. 1 and 3

12. A switch has been configured for three different VLANs: VLAN2, VLAN3, and VLAN4. A router has been added to provide communication between the VLANs. What type of interface is necessary on the router if only one connection is to be made between the router and the switch?

A. 10Mbps Ethernet
B. 56Kbps Serial
C. 100Mbps Ethernet
D. 1Gbps Ethernet

Correct Answer: C. 100Mbps Ethernet

13. 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.

A. 1 and 5
B. 2 and 4
C. 1, 3 and 5
D. 2, 3 and 6

Correct Answer: D. 2, 3 and 6

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

1. VLAN Trunk Protocol
2. VLAN
3. 802.1Q
4. ISL

A. 1 only
B. 3 only
C. 3 and 4
D. 1, 3 and 4

Correct Answer: C. 3 and 4

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

A. Client
B. STP
C. Server
D. Transparent

Correct Answer: C. Server

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