Selecting security countermeasures | Telecommunications Engineering homework help

You have been working as a technology associate in the information systems department at Corporation Techs for more than a month now. Your manager is very happy with your performance. The company is planning a network expansion and the challenging role you have been craving is finally here. You have been asked to be a part of the expansion plan. Your job is to review the new network design, identify the possible security threats and appropriate countermeasures. Refer to the handout to understand the current network and new additions. 

Provide a written report that includes a description of four threats the network expansion poses and the countermeasures you identified for each threat. Discuss the reasons to choose those countermeasures. In addition, discuss the benefits and limitations of each countermeasure