计算机科学computer science代写代码作业题目：CP1402/CP1802 Assignment Networking Case Study相关

CP1402/CP1802 Assignment

Networking Case Study

Introduction

This case study consists of five components.

You are to design a network, research and source appropriate devices justifying choices (feasibility, efficiency, etc.), subnet the network, assign IP addresses to the appropriate devices, and provide an executive summary of the project. You are also to provide a proposal for incorporating cloud computing.

Note: This is not a group project. Each student must individually complete all parts of their submission.

Students must start with a new document and they must not have another person’s file in their possession at any time. Students may discuss the task with each other, but each student must write their assignment independently and not show their work to other students.

James Cook University takes academic misconduct very seriously, and penalties will apply both for copying another student’s work, and providing work to another student.

Deliverables

A single Word document (.docx) – containing all parts

Assignment breakdown

Scenario

A European software development company has asked you to assess and redesign their network. They are opening new branches in Porto and Riga, which will require new equipment. They have existing contracts and hardware to maintain fibre optic leased line WAN links between sites.

PART 1 – Executive summary

PART 2 – Network diagram

PART 3 – Subnet the network and assign IP addresses to the appropriate devices

PART 4 – Research and source appropriate devices justifying choices (feasibility, efficiency, etc.) with a Weighted Scoring Model (WSM)

PART 1 – Executive summary

Describe the purpose, scope, and objectives of the project for each of parts 2, 3 and 4. Why is it important to produce a well-designed network diagram? What goals are you trying to achieve with the hardware you select for the procurement project?

· Purpose

The first thing you need to do when starting on a project is ask “why”? What problem are you trying to solve? Once you explicitly define the problem, it becomes easier to evaluate possible solutions.

· Scope

A project’s scope defines the outputs or deliverables of a project. What is the overall outcome of the project? How will the output of the project solve the problem? What features will the end result have?

· Objectives

The objectives are areas of focus of the project, and can be listed as discrete goals. Projects are usually constrained by an overall budget and time-frame. Objectives can break down the overall constraints of the project and apply them to individual aspects. Typically, good objectives follow the SMART principle, in that goals must be:

o Specific – well-defined and clear output

o Measurable – You know when the goal has been accomplished, or how much progress has been made

o Attainable – Goals are realistic and can be achieved within the project’s constraints o Relevant – The goals are worthwhile and make sense in the context of the project o Time-bound – Goals should have a time limit

The executive summary should be well-articulated: clear, concise, and use correct spelling and grammar. The intended audience for the executive summary can be assumed to have basic technical knowledge, but are not networking experts. You should aim for 200 to 300 words.

PART 2 – Network specifications and diagram Network Specifications

You have been given a rough sketch of the network topology below. You are to draw the network using Visio, subnet the network (see case study part 3), and assign router interfaces and IP addresses to router interfaces and servers.

Network Structure

Hardware

· Only include one switch in your diagram for each LAN or WLAN

· The Internet router port address is 31.167.22.43/30

· The Aarhus router is connected to the Internet, and provides access to the public backbone containing a web server and a mail server.

PART 3 – Subnet the network and assign IP addresses to the appropriate devices.

Each location has the following number of hosts Aarhus, Dublin, and Riga all have WLANs.

Location	Workstations	Expected Peak Wi-fi Users

Aarhus	600	50

Dublin	300	35

Milan	100	n/a

Oslo	200	n/a

Porto	20	n/a

Riga	65	15

Subnetting

Create subnets for the LANs and WLANs using a public class B network. Create subnets for the WANs using a public class C network. You are to use the table format below to provide the subnet details.

Table 1. LAN & WLAN Subnets

Spreadsheet Columns: Subnet name, subnet address, subnet mask (in slash format), first useable address, broadcast address, static address range, and DHCP address range (all addresses to be in dotted decimal notation)

Table 2. WAN Subnets

Spreadsheet Columns: Subnet name, subnet address, subnet mask (in slash format), first useable address, broadcast address (all addresses to be in dotted decimal notation)

Table 3. Router Interfaces

Spreadsheet Columns: Location, interface, IP address, subnet mask (in slash format) Table 4. Servers

Spreadsheet Columns: Location, server name, IP address, subnet mask (in slash format)

Additional requirements:

· Servers at a given location should be placed within a “server subnet” rather than as part of the same subnet used for workstations.

· Wi-fi at the Riga location is intended for use by clients, not employees.

· The size of your subnets should be large enough to satisfy the required number of hosts, but no larger. As we are using static subnetting in this subject, all LANs and WLANs should have the same size. (If you wish to create VLSM subnets, you are welcome, but the onus will be on you to teach yourself the technique and create a correct solution and there will be no additional marks.)

· DHCP will to be used for IP address allocation for hosts in each subnet and these ranges are to be allocated for each LAN. You may assume that DHCP will be provided by the router.

· Static IP addresses are to be allocated where appropriate.

· The ISP has given us an IP address of 31.167.22.43/30 for the Internet connection at Aarhus.

PART 4 – Research and source appropriate devices justifying choices (feasibility, efficiency, etc.)

You are to research and submit a project procurement plan for the new Oslo and Riga networks. The devices you must include are routers, switches, and wireless access points. Make sure the devices you select can handle the number of workstations required at each site, and provide a good quality of service to wired and wireless users.

The Riga offices include a meeting area for clients. It is only necessary to provide wi-fi access within this area, which is an open space that measures 10 × 20m. Choose your wireless access point/s accordingly.

Your project plan and final recommendations should be based on a Weighted Decision Matrix (similar to the WDM you completed in the Procurement Practical). You are to compare five (5) devices from each category and to base the decision on (at least 4) reasonable and well-justified attributes.

You are to justify the choices of attributes on which you compare your devices, and the scores that you give each device.

Note that Oslo and Riga have differing requirements, and therefore you should produce different WDMs for the devices at each site; although you may choose the same models of devices to compare, the criteria may differ.

The client would like to keep the budget for all procurement under $10,000. You may exceed this amount if you can justify it well. All hardware should be available new and still supported by the manufacturer.

This section should include:

For each Weighted Decision Matrix

· Table 1 indicating the attributes chosen for comparison and the justification for these attributes

· Table 2 outlining the devices to be compared, their prices, links to where they can be purchased, and justifications for the scores you’ve given each attribute

· Table 3 the WDM itself

· Create your WDMs in Excel and copy and paste them into your Word doc

· Each table should be well presented and easy to read

Budget

· Create a well-presented table of the prices of all devices and the total cost

· Include hardware only, not labour

Marking Scheme

Ensure that you follow the processes and guidelines taught in class to produce high quality work. This assessment rubric provides you with the characteristics of exemplary, good, satisfactory, and unacceptable work in relation to task criteria

Criteria

Exemplary 100%

Good 80%

Satisfactory 60%

Limited 40%

Very Limited 20%

Absent 0%

Part 1

Consistently logical and

Generally logical and relevant

Presents reasonable

Provides basic articulation

Executive summary contains

Incomprehensible

relevant articulation of the

purpose, scope, and objectives

articulation of the purpose,

of purpose, scope, or

some relevant articulation of

executive summary,

Executive

Summary

purpose, scope, and objectives

of the project, aimed at a semi-

scope, and objectives of the

objectives.

purpose, scope or objectives.

negligible attempt, or

Purpose, Scope,

of the project.

technical audience.

project.

not done.

and Objectives

Suitable for a semi-technical

Generally suitable for a semi-

/15

audience.

technical audience.

Quality of

Well-structured into

Most of the criteria are

Over half of the criteria are

Under half of the criteria

Attempt at executive

Negligible attempt or

Writing

paragraphs.

satisfactory (See criteria under

satisfactory (See criteria

are satisfactory (See criteria

summary, but contains many

not done.

Correct grammar.

"exemplary") but some minor

under "exemplary") but some

under "exemplary") or

significant issues with

Correct spelling.

issues.

minor issues.

significant issues in some

grammar, spelling.

areas.

Part 2

Created in MS Visio using

Most of the criteria are

Over half of the criteria are

Under half of the criteria

Many problems (e.g. not done

Negligible attempt or

Cisco icon set, and the

satisfactory (See criteria under

satisfactory (See criteria

are satisfactory (See criteria

in Visio, inconsistent

not done.

Topology

Design

diagram is:

"exemplary") but some minor

under "exemplary") but some

under "exemplary") or

formatting, diagram does not

issues.

minor issues.

significant issues in some

align to subnetting scheme,

Diagram

Neat and Professional

appearance

All lines at set angles

areas.

etc).

(multiples of 30, 45, 90

/10

degrees)

Lines do not end short

Lines do not appear over

the top of devices

Lines align if on same

level

Diagram Labels

Topology is accurate and the

Most of the criteria are

Over half of the criteria are

Under half of the criteria

Many problems (e.g. topology

Negligible attempt or

and Devices

diagram

satisfactory (See criteria under

satisfactory (See criteria

are satisfactory (See criteria

is inaccurate; devices are not

not done.

Includes device names

"exemplary") but some minor

under "exemplary") but some

under "exemplary") or

named, etc).

/10

Interface names

issues.

minor issues.

significant issues in some

Interface IP addresses

areas.

Masks in slash format

Text neatly placed and

sized

Part 3

LANs and WLANs are the

Most of the criteria are

Some LANs and WANs are

Few LANs and WANs are

Negligible attempt or

correct size and allocated

satisfactory (See criteria under

satisfactory (See criteria

documented.

correctly identified.

not done.

Subnetting

Scheme

from a public class B

"exemplary") but one or two

under "exemplary") but

/10

block.

minor issues, such as a missing

several minor issues (e.g

Sizes are correct, or at least

Nonsensical subnet size

All required LANs and

LAN, or incorrect address block

multiple missing LANs or

not outlandishly incorrect.

chosen.

WLANs are documented.

choice.

WANs) or a significant issue

Page 7 of 9

		3.	WANs are the correct size,		such as incorrect size.
			and allocated from a public
			class C block.
		4.	All required WANs are
			documented.
	Subnet Tables	Based on the chosen subnetting		Most of the criteria are	Most of the criteria are	Tables are presented and	Tables are presented, but	Tables are
/10		scheme, the following		satisfactory (See criteria under	satisfactory (See criteria	contain most of the correct	contain major issues such as	incomprehensible, or
		specifications are available and		"exemplary") but some minor	under "exemplary") but	columns, and some correct	impossible subnet bounds.	negligible attempt, or
		correct for LANs and WLANs		lapses.	several minor issues, or a	entries.		not done.
		table, and WANs table:			significant issue such as
		1.	Subnet address		missing a column.
		2.	Subnet mask
		3.	Broadcast address
		4.	First usable address
		5.	Static address range
			(LANs and WLANs only)
		6.	DHCP address range
			(LANs and WLANs only)

	Router Table	Based on the chosen subnetting		Most of the criteria are	Over half of the criteria are	Table is presented, but	Table is presented, but	Table is
/10		scheme, the following		satisfactory (See criteria under	satisfactory (See criteria	contains several significant	generally incomplete or	incomprehensible, or
		specifications are available and		"exemplary") but a few minor	under "exemplary") but some	errors such as mismatched	incorrect.	negligible attempt, or
		correct in the router interface		issues or missing interfaces.	minor issues.	IP addresses or missing		not done.
		table:				columns.
		1.	Location
		2.	Interface
		3.	IP address
		4.	Subnet mask

	Server Table	Based on the chosen subnetting		Most of the criteria are	Over half of the criteria are	Table is presented, but	Table is presented, but	Table is
/5		scheme, the following		satisfactory (See criteria under	satisfactory (See criteria	contains several significant	generally incomplete or	incomprehensible, or
		specifications are available and		"exemplary") but a few minor	under "exemplary") but some	errors such as mismatched	incorrect.	negligible attempt, or
		correct in the server table:		issues.	minor issues.	IP addresses or missing		not done.
		1.	Location			columns.
		2.	Name
		3.	IP address
		4.	Subnet mask

	Part 4 –	1.	All required WDMs	As per “exemplary”, but some	As per “exemplary”, but	Some WDMs are available,	Major issues with WDMs,	Negligible attempt,
	Procurement		available.	minor lapses.	several minor lapses, or some	but justifications are	justifications, and hardware	nonsensical, or not
	Weighted	2.	WDMs have been		significant issues, such	generally poor, and	choices.	done.
	Decision		formatted as per the		missing WDMs, formatting	hardware choices generally
	Matrices		practical example		issues, some poor	inappropriate.
/30		3.	Clear, concise, and		justifications, or some

Page 8 of 9

	reasonable justifications		inappropriate hardware
	for priorities and attributes		choices.
	given in the matrix.
	4. Appropriate hardware
	choices.
Budget	Professional, detailed, accurate,	As per “exemplary”, but some	Generally accurate and	Several inaccuracies.	Generally inaccurate.	Negligible attempt or
/5	and visually appealing.	minor lapses.	visually appealing.			not done.
/5

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