How can the network administrator solve this problem?

Refer to the exhibit.

Host A can communicate with Host B but not with Hosts C or D.

How can the network administrator solve this problem?
A . Configure Hosts C and D with IP addresses in the 192.168.2.0 network.
B . Install a router and configure a route to route between VLANs 2 and 3.
C . Install a second switch and put Hosts C and D on that switch while Hosts A and B remain on the original switch.
D . Enable the VLAN trunking protocol on the switch.

Answer: B

Explanation:

Two VLANs require a router in between otherwise they cannot communicate through a simple switch mechanism