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Briefly describe the OSI reference model

Assignment Help Computer Networking
Reference no: EM132222145

Assessment - Networking Fundamentals

Task

This assessment aims to develop and gauge student understanding of the key topics covered so far by answering the following questions. Answering these questions will help you build some understanding for the next assessment item as well as for the entire subject. It is expected that answers to the assignment questions be succinct (i.e. precise and concise) with all sources of information fully referenced as per APA referencing style. You have to reference the text book and any additional material you have used in your answers.

Note that the guide for APA referencing is provided in the resources section of Interact site of this subject.

Question 1
Briefly describe the OSI reference model and the TCP/IP networking model, use diagrams to show the relation between both these models.

Question 2
Complete the following Hands-On Projects from the prescribed textbook (Pyles, Carel & Tittel 2017, pages 37-45)
- Hands-On Project 1-1
- Hands-On Project 1-2
In order to complete this activity, students should insert screenshots in the assignment document along with a short description of each step taken to complete the project. Students must also answer any relevant questions highlighted in step-by-step description of the above mentioned hands-on projects in the textbook

Question 3
a. Describe the role ARP Cache plays in establishing Address Resolution Protocol (ARP)?
b. Complete Hands-On Project 4-1 from the prescribed textbook (Pyles, Carel & Tittel 2017,page 241)

Question 4 Case study task
In your role as a Solutions Architect at Riverina IT Solutions, you are leading a team of several system administrators. Riverina IT Solutions is a medium sized organisation and is currently expanding its operations. The company has acquired six sites across regional New South Wales to accommodate its various departments. You have been asked to design a network by utilizing 10.0.0.0 private IP address. The designed network should span six sites with a router at each site to interconnect the entire network. It is assumed that each site will have its own single subnet. Company expects approximately 1100 workstations across all the sites with approximate numbers in each building as follows:
Wagga Office - 300 workstations
Junee Office - 130 workstations
Albury Office - 125 workstations
Griffith Office - 120 workstations
Temora Office - 215 workstations
Culcairn Office - 150 workstations

TASK - Write a 800 words report explaining:

a. The detailed design of a simple addressing solution (with diagram(s) and step by step workout of the calculations) that leaves room for growth, is easy to administer and has the minimum wastage of available IP address space.

b. Explain what happens to your design if the number of hosts per network jumps to over 1,024 per building.

Assessment - Network Design (Research)

Task

In this assessment, you are required to read Assessment 4 (Research Network Design) and research a range of options/methods that can be used for network designing in Assessment 4. Based on your research you are required to post your views on pros and cons of each available option for the completion of Assessment 4 and select an option that you will use to complete that assessment.

In your post you must also justify the reasons behind your selection. Your post will be marked on:
- Expressing your professional viewpoint on the topic.
- Justifying your viewpoint with valid and credible evidence.

You are also required to provide constructive comments on at least one other student's post. The final marks for this assessment will be provided along with Assessment 4.

Assessment - Network Design (Implementation)

Task

This is a practical assessment and will enhance and test your practical skills related to the subject topic. You are required to set up a simple network using minimum three PCs and minimum two routers, or use simulation software to set up the same network.

To complete this assessment you are expected to refer to information beyond the text book. This assignment is open; in that you are free to choose the devices or software you use to complete the specified tasks. Students are expected to accomplish this task by utilising the necessary commands discussed in lectures and also described in the prescribed text book.

There are numerous web sites available that discuss Linux networking. You are expected to list your sources of information for the different tasks. When completing this project, you may encounter errors or experience difficulties getting your setup to work. If this occurs, your challenge is to analyse why they happen and report on how you solved the problems you encountered.

Additional information will be provided for technology options to use in creating this lab closer to the assessment due date.

Task 1 - Setting up a Network

You are required to set up a network consisting of PCs, routers and servers. You need to configure routing between routers (minimum two routers required). The routers will have multiple network interfaces. The PC (client) will be connected to one of the router's interfaces and other PCs (servers) will be connected to the second router's interface.

Client <--> Router <--> Router <--> Server(s)

Setup separate server for each application/service. Each side of the router will be in its own LAN (or WAN) segment and should have a different network address, use ONLY private IP address ranges to design this network.

Perform the following activities and support your workings with screenshots:

1. Configure the PC, Server and Router interfaces with appropriate network addressing;

2. Configure routing (IP packet forwarding) on the routers;

3. On the client ping the client's own network interface, then the local router gateway interface, then the remote router interface, then the server;

4. Use the traceroute command from the client to the server. Include results of the traceroute in your submission.

Task 2 - Configuring Network Services
Using the same network topology that you have setup in Task 1, perform the following additional activities:

1. DHCP: Configure DHCP on the server and show that the client PC has successfully received an IP Address and other network parameters (default router, netmask, DNS) using DHCP;

2. WEB Server: Configure a WEB server on dedicated machine, with URL as www.YOUR NAME.csu.edu.au

3. DNS: Configure a DNS Server on the server device and demonstrate that forward and reverse DNS are working from the client PC; test DNS Server by browsing www.YOURNAME.csu.edu.au from client PC, DNS must resolve this URL to IP address of WEB Server

4. Firewall: Configure traffic filtering on the router to block TCP traffic only between one of the client PC and WEB Servers, and provide evidence of such traffic filtering.

A series of screen shots with commentary on each of the required tasks is to be submitted. The submission must include a comprehensive explanation of each task and all the commands used along with the output (or final result) in report format.

Attachment:- Assessment Items.rar

Reference no: EM132222145

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Reviews

len2222145

1/24/2019 12:38:15 AM

Referencing & Language (1 Mark) APA in-text and end-of text referencing guidelines are error free and consistently applied. Post uses correct spelling, punctuation, and paragraphing with no errors. There are some minor errors in APA in-text and end-of text referencing. Post uses mostly correct spelling, punctuation, and paragraphing with only minor punctuation errors There are noticeable errors in APA in-text and end-of text referencing. Minor editing and revision is needed. Post uses mostly correct spelling, punctuation, and paragraphing with a few errors. Frequent and noticeable errors in both in-text and end of text referencing but the major identifiable information is present. Post uses correct spelling, punctuation, and paragraphing with some notable errors. APA referencing is absent or with multiple errors that make it difficult to identify the source. Post is poorly written and hard to understand.

len2222145

1/24/2019 12:38:08 AM

Communication with peers (2 Marks) Comments helped to clarify or synthesise other class members’ ideas and prompted further relevant discussion in 2 other students’ posts. Comments helped to clarify or synthesise other class members’ ideas in 2 other students’ posts. Comments added constructive feedback to 2 other students’ posts. Made superficial comments that address the topic on 2 other students’ posts Does not engage in discussion with other students.

len2222145

1/24/2019 12:38:00 AM

Criteria HD 100% - 85% DI 84% - 75% CR 74% - 65% PS 64% - 50% FL 49% - 0 Understanding of content and use of evidence (2 Marks) Content of post is correct and integrates information from modules, readings, and several other credible and high quality sources that you have found yourself. Content of post is correct and integrates information from modules, readings, and several other credible sources that you have found yourself. Content of post is correct and integrates information from modules, readings, and 1-3 other credible sources that you have found yourself. Content of post is correct, and uses information from the modules and readings. Content of post is factually incorrect Content of post is unsupported by evidence

len2222145

1/24/2019 12:37:47 AM

Provides a detailed description of IP addressing requirement analysis and design that accurately fulfils the requirements. There are some inaccuracies or omissions. Diagram/s are appropriate and mostly accurate, with some minor inaccuracies or omissions. Identifies and provides some explanation for most critical points. Provides a complete but superficial description of IP addressing requirement analysis and design. Diagram/s are appropriate and mostly accurate, but there are inaccuracies or omissions Identifies and provides explanation for only one or two critical points. Does not provide a complete description of IP addressing requirement analysis and design Diagram/s are inaccurate, or not included. No critical points identified and discussed.

len2222145

1/24/2019 12:37:40 AM

Question 4 Provides a complete, clear, and detailed, step-by-step description of IP addressing requirement analysis and design that fully and accurately fulfills the requirements. Diagram/s are appropriate and accurate. Identifies and analyses all critical points. Provides a detailed, step-by-step description of IP addressing requirement analysis and design that and accurately fulfils the requirements. Diagram/s are appropriate and accurate. Identifies and analyses most critical points.

len2222145

1/24/2019 12:37:33 AM

Question 3 Correct answer has been provided along with a well expressed, informative and accurate explanation. Projects are completed, screenshots of all steps along with informative description have been provided Correct answer has been provided along with a well expressed and accurate explanation. Projects are completed, screenshots of most steps have been provided with good description Correct answer has been provided, followed by a limited explanation. Project mostly completed, some minor errors are apparent in the screenshots, description is reasonable. Correct answer has been provided, followed by a limited explanation with some inaccuracies. Project completed but with errors, some screenshots are missing, description is not clear. The answer is incorrect and fails to show basic understanding of the topic. Evidence of some steps, most screenshots are missing. No answers have been provided to the relevant questions.

len2222145

1/24/2019 12:37:27 AM

Question 2 Projects are completed, screenshots of all steps along with informative description have been provided. All relevant questions have been answered precisely. Projects are completed, screenshots of most steps have been provided with good description.Most relevant questions have been answered precisely. Project mostly completed, some minor errors are apparent in the screenshots, description is reasonable. Some relevant questions have been answered. Project completed but with errors, some screenshots are missing, description is not clear. Answers to most of the questions have been provided however very briefly. Evidence of some steps, most screenshots are missing. No answers have been provided to the relevant questions.

len2222145

1/24/2019 12:37:19 AM

PS 64% - 50% FL 49% - 0 Limited evidence of using relevant literature to address the points. Provides a brief comparison of OSI reference model with TCP/IP networking model with little evidence of linkages or connections to topic readings. No evidence of using relevant literature to address the points. Provides an incomplete comparison of OSI reference model with TCP/IP networking model with no linkages or connections to topic readings.

len2222145

1/24/2019 12:37:13 AM

Question HD 100%-85% DI 84% - 75% CR 74% - 65% Question 1 In depth use of a good range of relevant literature to address the points. Provides a comprehensive comparison of OSI reference model with TCP/IP networking model, with evidence of synthesis of own research and prescribed reading in topics. Evidence of using relevant literature to address the points. Provides a detailed comparison of OSI reference model with TCP/IP networking model, with evidence of synthesising some external readings and prescribed reading in topics. Use of some relevant literature to address the points. Provides a good comparison of OSI reference model with TCP/IP networking model. Mostly cited the prescribed text. Synthesised concepts learned from topic readings.

len2222145

1/24/2019 12:36:58 AM

A student must obtain at least 50% in both the examination and the total mark in order to pass this subject. To be eligible for the AA or AE grade you must have submitted all assessment items in the subject, including the final exam. If you choose not to complete an assessment item or do not sit the final exam then you will not be granted an AA or an AE grade.

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