Answer:
Option B is the correct answer for the above question.
Explanation:
WAN is a technology that is used for the global connection of computers for communication. It is used to connect the computers if they are located at any pace of the world. The above question asked about that technology that is used to connect the computers if there are located on the Chicago and Pittsburgh location then the WAN is used because the other technology like LAN and MAN which are using for network connection are used for the small area location. LAN is used in the organization and MAN is used for some single area which is small in terms of area. So WAN is the answer for the above question which is stated from the option B. So the B option is correct while the other is not because--