Managing the network device plays an important role in network management. Without proper knowledge and skill, the network administrator will not be able to perform their responsibilities adequately. Therefore, understanding the concept and definition of network management is important for the network manager. (a) There are roles in managing the network. Give an example for each role and element that can be considered as network management inside your explanation. (9 marks) (b) Managing the network properly is important to the organization so that all the services given to the user such as bandwidth and security may give a positive impact on the organization. Based on your understanding, by giving an appropriate example elaborate on why network management is important to the organization. (10 marks) (c) Network managers having difficulties in managing a network under one network management due to a certain factor. Based on your understanding, why these factors give difficulties to network managers in managing their network.