OPTINET Ltd is specialised in delivering IT infrastructure solutions to medium-sized organisations world-wide. With the expansion of the company, a newly acquired branch needs a network. Your manager is faced with the demands of business and plethora of technology challenges. You have been recently hired as a Network Engineer and assigned the task of designing and implementing a network that is based on the requirements and specifications outlined by your manager. Additionally, you are responsible for monitoring the network firewall, assessing the functionality of the network router, ensuring all Internet security software is updated regularly, developing and implementing company email policies and maintaining the company phone system. Each group have been assigned the task of designing, implementing a network infrastructure for OPTINET Ltd by internetworking three departments which are as follows: Finance: 10 computers & 1 printer Sales: 60 computers & 1 printer The network consists of 3 Servers: . HTTP DNS All servers are shared between all users. Production: 45 computers & 1 printer IP Telephony (VoIP) all desktops have an associated telephone set I Email PRODUCTION DEPARTMENT FEEL F Workstation Printer/Copier/Scanne Workstation :::: SALES DEPARTMENT Workstation & Printer/Copier/Scanne Workstation MARKETING DEPARTMENT Workstation Printer/Copier/Scan Workstation ROOM ONS 1999 E-mail HTTP Assessment Deliverables: The IT Manager emphasised on scalability, availability and hence you are required to provide a complete network infrastructure design and implementation. OPTINET Itd will be using the following IP address: 192.168.10.0/24. 1. Design a networked system to meet a given specification. Use packet tracer software to design your network. 2. Test and evaluate the design to meet the requirements. Install and configure network services and applications. Design a maintenance schedule to support the networked system. 3. Use all the command lines to troubleshoot your designed network. At this stage you may need to identify the cause of any problem on your designed network and find a possible solution 4. Usually, implementing a possible solution involves making changes to the network, therefore, document and analyse test results against expected results. 5. Recommend potential enhancements for the networked systems. And finally, use critical reflection to evaluate own work and justify valid conclusions.