Compute the network IP address, the first assignable IP address, the last assignable IP address, the broadcast IP address, and the range of assignable IP address. (15 marks) iv) Describe why the DNS service is important and how the DNS services are to be deployed in the network. (10 mark

Case Study: Kaplan has engaged you to design and implement an office network for a new office comprising HR executives (4), sales consultants (6) and Accounting executives (6). The new office is to be located at Orchard Road. The HR executives are responsible for staff recruitments for the main campus at Wilkie Edge, the sales consultants are responsible for student recruitment and the Accounting function is relocated from the current location at Wilkie Edge. The new office will not exceed 50 personnel in the foreseeable future. The network director has provided the following information and is open to recommendations for additional serveretwork components if required: One Domain server: this is the network domain controller where the active directory services are installed. One DNS and DHCP server: this server will provide both the DNS and DHCP services. Email services are to be outsourced. The network IP address is to be used is 10.64.136.105/25. iii) Compute the network IP address, the first assignable IP address, the last assignable IP address, the broadcast IP address, and the range of assignable IP address. (15 marks) iv) Describe why the DNS service is important and how the DNS services are to be deployed in the network. (10 marks)