Question 3 20 Marks ARN Networking company has a new project to upgrade the networking system for one of their client's school. As depicted in the Table 1, clients school will have three departments: 1) Primary school department (74 computers), 2) Secondary school department (28 computers) and Kindergarten and Afterschool department (52 computers). a) Based on the information provided, subnet the IP address block 192.168.1.0/24 into three sub networks. Copy the following table into your answer sheet and fill in the table. (8 Marks) Network Actual Host Requirement Block Size Network Address (Host Assignment Range) Subnet mask Primary school Department Secondary school Department Kindergarten and Afterschool Department Table 1 b) Keeping the room for future expansion, if you decided to create 5 subnetworks using the given IP address. How many bits you need to borrow from the host part to create 5 subnetworks. (2 Marks) c) You have identified three main Internet applications (refer Table 1) in this network and decided to apply QoS (quality of service) to improve the performance of those applications. Application QOS Loss Time Sensitive Web No Loss No Video Loss tolerant Yes Online game No Loss Yes Table 1 Which transport layer services, TCP or UDP, will you choose for each of the following applications scenarios. Justify your choice. (6 Marks) i) Web applications data transfer ii) Video data transfer iii) Game data transfer a) Assume you are appointed as a network administrator in a large enterprise level company. You must make a choice to select distance vector or link state routing protocol. Examine the pros and cons of each and recommend an appropriate routing protocol