Which options are valid reasons to implement VLANs on a network?
A) Decreases the number of broadcast domains
B) Reduces the number of collisions on a network
C) Increases the number of broadcast domains
D) Reduces the STP workload
C, D
Explanation: C) Implementing VLANs on a network has a number of advantages: It allows the creation of multiple broadcast domains; it limits the amount of unnecessary traffic; it reduces the STP load on a switch; it increases security; it provides for more flexible designs; it reduces the CPU overhead on a switch (when well designed); and it helps with troubleshooting by limiting the failure domain.
D) Implementing VLANs on a network has a number of advantages: It allows the creation of multiple broadcast domains; it limits the amount of unnecessary traffic; it reduces the STP load on a switch; it increases security; it provides for more flexible designs; it reduces the CPU overhead on a switch (when well designed); and it helps with troubleshooting by limiting the failure domain.
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