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One reason to incorporate VLANs in a network is to:
A. Increase the number of available IP addresses.
B. Increase the number of available Media Access Control (MAC) addresses.
C. Reduce the number of broadcast domains.
D. Reduce the number of nodes in a broadcast domain.
Correct Answer: D
Explanation/Reference:
VLANs provide the following advantages:
* VLANs enable logical grouping of end-stations that are physically dispersed on a network. …
* VLANs reduce the need to have routers deployed on a network to contain broadcast traffic. …
* Confinement of broadcast domains on a network significantly reduces traffic.
By confining the broadcast domains, end-stations on a VLAN are prevented from listening to or receiving broadcasts not intended for them. Moreover, if a router is not connected between the VLANs, the end-stations of a VLAN cannot communicate with the end-stations of the other VLANs.
