Reference no: EM132222154
Assessment
Task
Phase 1
Business.com is a software development company with two branches spread over the Western Sydney region. The company's local area network (LAN) is captured in the topology below:

Head Quarter network has 100 network devices including all computers, printers and other devices. Branch A and B subsequently have 30 and 20 devices, respectively. Recently, the company has been assigned with a new space of IP addressing and the whole network has to be re-addressed.
Task 1
You are contracted by the company to help with the IP address planning. The following is the new IP address space:
IPv4 network: 203.2.XY.0
where XY is the last 2 digits of your student ID
Your task is to plan and document
An IPv4 address plan for the LAN
You are expected to provide an efficient and optimum address allocation solution with the following details:
1. IP address requirement for each sub-network
2. IP address allocation plan for each network/sub-network including network address, subnet mask, broadcast address, default gateway address and valid host address range.
3. IP address allocation plan for key network device and interfaces e.g., servers, printers, router interfaces, etc.
Phase 2
Business.com has expanded and it has decided to redevelop the company existing LAN to achieve the company's following business and technical goals.
The Business goals:
• Improved communications, wireless, VoIP, and others
• Protect company information
Technical goals:
• Scalability - company plans to increase employee by 15% in next 12 months.
• Accessibility-- Employees are able to access to company resources from both company and home (different servers)
• Performance - network performance must be high
• Security - protection of company information and other IT assets
• Flexibility- network should be flexible enough to create logical grouping as required.
• Availability - wireless network access is available in all employees as well as some outdoor areas for software developers and employees
You are contracted by the company to help with the network redevelopment.
The new company structure
The company has 5 departments: Software Development, Solution Design, Customer Support, Sales and Finance detailed as follow:
Software Development
|
Number of employees
|
10X
|
Each employee has
|
01 PC + 01 IP Phone
|
The department has
|
3 servers (DNS, Web and DHCP)
|
Solution Design
|
Number of employee
|
7X
|
Each employee has
|
01 PC + 01 IP Phone
|
The department has
|
3 servers (DNS, DHCP and Web Server)
|
Customer Support
|
Number of employee
|
5X
|
Each employee has
|
01 PC + 01 IP Phone
|
The department has
|
1 server (DHCP and Web)
|
Sales
|
Number of employee
|
3X
|
Each employee has
|
01 PC + 01 IP Phone
|
The department has
|
1 server (Web)
|
Finance
|
Number of employees
|
X
|
Each employee has
|
01 PC + 01 IP Phone
|
The department has
|
2 servers (Web and Firewall)
|
X is the Last digit of your student ID
Business.com is located in a 5-stories building. The company plans to put each department on a separate floor. However, there is also an option to have the software development to occupy two floors while other departments will share the other three. The network, therefore, should be flexible enough to meet either option.
Task 2
Your task in this part is to propose and document
1. The requirements for the company local area network (LAN)
2. A logical design for the LAN
3. An updated IP address plan for the LAN according to the proposed design
This assessment task will assess the following learning outcome/s:
• be able to analyse IP addressing requirements and design an addressing scheme.
• be able to analyse the requirements of IP routing and choose appropriate routing methods.
• be able to demonstrate how internetworking devices obtain their network configuration.
• be able to explain how data flows through the internet.
• be able to ascertain and evaluate selection of applications and protocols for transferring data across the internet.
This assessment aims to assess the following learning objectives of this subject:
• be able to analyse IP addressing requirements and design an addressing scheme;
• be able to analyse the requirements of IP routing and choose appropriate routing methods;
• be able to demonstrate how internetworking devices obtain their network configuration;
• be able to explain how data flows through the internet; and
• be able to ascertain and evaluate selection of applications and protocols for transferring data across the internet.