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3 Apr
2021

Network Systems Administration

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School of Physics, Engineering and Computer ScienceAssignment Briefing Sheet (2020/21 Academic Year)Section A: Assignment title, important dates, and weighting
Assignment title:
Secure Network Designs, Implementation,and Administration
Group orindividual:
Individual
Module title:
Network Systems Administration
Modulecode:
7COM1029
Module leader:
Dr. Eric Chiejina
Moderator’sinitials:
AT
Submissiondeadlines:
04-05-2021 23:59
Target date for return ofmarked assignment:
03-06-2021
You are expected to spend about
40
hours to complete this assignment to asatisfactory standard.
This assignment is worth
70%
of the overall assessment for this module.
Section B: Student(s) to complete
Student ID number
Year Code
Notes for students• For undergraduate modules, a score above 40% represents a pass performance at the honours level.• For postgraduate modules, a score of 50% or above represents a pass mark.• Late submission of any item of coursework for each day or part thereof (or for hard copy submissiononly, working day or part thereof) for up to five days after the published deadline, coursework relating tomodules at Levels 0, 4, 5, 6 submitted late (including deferred coursework, but except for referredcoursework), will have the numeric grade reduced by 10-grade points until or unless the numeric gradereaches or is 40. Where the numeric grade awarded for the assessment is less than 40, no lateness penaltywill be applied.• Late submission of referred coursework will automatically be awarded a grade of zero (0).• Coursework (including deferred coursework) submitted later than five days (five working days in the caseof hard copy submission) after the published deadline will be awarded a grade of zero (0).• Regulations governing assessment offences including Plagiarism and Collusion are available fromhttps://www.herts.ac.uk/about-us/governance/university-policies-and-regulations-uprs/uprs (please referto UPR AS14)• Guidance on avoiding plagiarism can be found here:https://herts.instructure.com/courses/61421/pages/referencing-avoidingplagiarism?module_item_id=779436• Modules may have several components of assessment and may require a pass in all elements. For furtherdetails, please consult the relevant Module Handbook (available on Studynet/Canvas, under ModuleInformation) or ask the Module Leader.
School of Physics, Engineering and Computer ScienceAssignment Briefing Sheet (2020/21 Academic Year)
This Assignment assesses the following module Learning Outcomes (from Definitive Module Document):LO1: Have a knowledge and understanding of the issues involved in the design, realization /administration, andmanagement of a networked computing environment.LO2: Be able to design, install and support a local area network based on established user requirements.
Assignment Brief:This coursework is worth 70% of the overall mark for the module. Some parts of the coursework will requireresearch beyond the material discussed in the course. This is intended and is part of the assessment. See theattachment for further information.The deadline is 06.05.2021 by electronic submission via Canvas.Please see the table underneath for the expected structure of the report and the breakdown of the mark allocation.Please include appropriate references and a bibliography. You are expected to use appropriate peer-reviewedsources for supporting your arguments, and an appropriate referencing style as per the University regulations.
Submission Requirements:This is assignment is to be submitted and marked anonymously. Students should ONLY use their student IDnumber to identify themselves on their work. Work submitted via Canvas for anonymous marking willautomatically have an anonymity number allocated to it.When you are ready to submit your CW1, you will be required to submit the following:• Technical reports in pdf format• A zipped folder containing the files of the implemented network.• A short video demo showing the tests performed on the implemented networks in Task 2• A video demo showing the network administrative tasks carried out from Task 3The name of the files submitted should have your student registration number as part of the name (e.g.TechnicalReport_12003456.pdf, completedNetwork1_12003456.pkt – this is for Cisco Packet tracer,Test_demo_12003456.mp4, etc.)
Marks awarded for:This assignment is worth 70 % of the overall assessment for this module.Marks awarded for:see attached
Type of Feedback to be given for this assignment:Summative feedback
School of Physics, Engineering and Computer ScienceAssignment task Description:You are a newly employed graduate engineer working for an IT Network Support & Services Company. You havebeen are presented with the following challenge: A businesswoman wants you to design, install, test and supporttwo secure computer networks for her primary and secondary business sites. The secondary business site is located25 miles away from the main premises and she wants you to also prepare the network design and carry out theinstallation on a later date. The office buildings for the primary and secondary site were newly purchased and it willrequire fully functioning secure networks to run her business. The floor plans can be seen in the images below:Figure 1: The floorplan of the primary business site:Website: https://www.pinterest.co.uk/pin/105905028710606130/School of Physics, Engineering and Computer ScienceFigure 2: The floorplan of the secondary business site:Website: https://www.pinterest.co.uk/pin/28077197661283751/To proceed with the given assignment, your line manager wants you to carry out three main tasks.Task 1: Network DesignsYour line manager wants you to provide detailed network designs for the primary and secondary business sites ofthe company using the provided office floor plans as a guide. The customer has provided the following specificationsfor the network.Network Specifications: Primary business site• Office 1 should be used as the Communication Room (comms room)• There should be at least 15 workstations which must include one for the reception andconference room respectively.• Three of the workstations should be running Linux OS i.e. Debian & Ubuntu LTS versions.• In the comms room, there is a need for at least one hardware firewall to be connected to theborder router and the main router should serve as the DHCP server.• The network must have a DNS server, FTP server, and at least two 24-port switches.• Most core network devices should be in the comms room. They will need racks. It is expectedthat most of the networking infrastructure should be stored in the same room unless inexceptional cases.• The LAN must be 100% redundant in the case of a single point failure. Redundancy is critical.In the case that one of the circuits fails the other one must be up and able to warn for backup.• There must be a Backup server and Print server.School of Physics, Engineering and Computer Science• You are expected to choose your network devices sensibly i.e., a carrier-class router shouldnot be used when you only need an enterprise-class router.• You must consider scalability for future network expansion.• Your network must have four VLANs which should be named Management, IT Support,Human Resources, and Sales Team.• The workstations required for each VLAN are as follows: Management (3), IT support (3) HumanResources (3), and Sales Team (6).• VLAN Routing must be enabled to ensure that workstations in the different departments cancommunicate with each other.• Your network must have at least one Layer 3 switch, to ensure devices that are on the samesubnet or virtual LAN connect at lightning speeds.• The main server required for network administration must be Linux-based (i.e., Debian orUbuntu OS).• The main router must have an access control list enabled to block the following UDP & TCP ports: MSRPC (135), Syslog (514), IRC – TCP ports 6660-6669, and SNMP (161 -162).• You must also provide a brief description of the network devices or software needed. Forexample, Server OS or VM technologies.• There is a 10G SFP+ transceiver connection that will need to be connected to an ISP providerrouter. This connection comes to the comms room from the ISP’s building.Network Specifications: Secondary business site• The secondary business site is a bit smaller than the main site with only five rooms.• One of the rooms should be a comms room with at least one hardware firewall to be connected to the borderrouter. This border router must be able to communicate with the border router of their main office premisesvia their respective ISPs or using a VPN.• The comms room should have the main router which can serve as a DHCP server and at least one 24-portswitch. Note: The main router serving as a DHCP server is not a compulsory requirement for this site. Theworkstations IP configuration can be configured manually if you want that option, however, testing mustshow that all devices can communicate with each other.• The main router must have an access control list enabled to block the following ports: TFTP (69) &NETBIOS/IP 137 – 139.• Most devices should be in the comms room and the LAN must also be 100% redundant.• Each office and the reception area are equipped with 1 desktop PC and all PCs can connect to aPrint Server.• The PCs in the secondary site should be able to communicate with PCs on the main site.Task 2: Network Implementation and TestingYour line manager wants you to implement the network design on a virtual platform to test some of the requirednetwork services and functionalities before you can carry out the physical network installations. You are expectedto implement and test the proposed network using an Open-Source network simulator or emulator such as Ciscopacket tracer, GNS3, Boson NetSim, VIRL, VIRL, CORE, etc. A list of emulators and simulators can be foundhere: list of emulators & simulators.Furthermore, you are expected to create comprehensive test and evaluation plans of the network designs andimplemented services. This should be in tabular format.School of Physics, Engineering and Computer ScienceTask 3: Required Network Administrative tasks (Primary Office Only)Your manager wants you to implement and execute the following administrative tasks on the networksimplemented on the virtual platform. This is to ensure that the same tasks can be carried out when thephysical network installation is carried out. You are also expected to carry out some furtheradministrative tasks on the Linux server that is designative for administrative purposes only. To ensureyou can perform the required administrative tasks, you are expected to first execute the tasks on a Linuxserver installed on a VMWare Player or VirtualBox.The required administrative tasks for this section are as follows:• The main router should be configured as the DHCP server as advised earlier and you must ensure that theIP addresses for the main router, DNS server, Linux Server, FTP server, Backup server, Print server are allexcluded from the address pool.• All workstations should be enabled to dynamically request IP from the DHCP server when they are switchedon.• Configure SSH on the main router and test these functionalities.• Ensure all workstations can ping each other and other core network devices i.e., main router.• All workstations must be able to connect to the internet.• Create 15 network users and assign network administrative duties to two of the users. Note: thismust be done on the Linux Server.• Ensure that all users have an initial password which they will change when they first login in.• Create two user groups (primary and secondary). The two network administrations should be inthe primary group while the rest of the users should be placed in the secondary group.• Aside from the network administrator accounts, create two other privileged accounts that givemembers the ability to run commands as root.School of Physics, Engineering and Computer ScienceWhat is required from you (FOR ALL TASKS):Task 1: Network Designs• You must prepare two detailed network diagrams for the primary and secondary business sitesillustrating your solutions. A simplified third network diagram showing the combination of the two siteswill be required.• You can use the floorplan as a template although you must demonstrate connectivity between differentrooms in your design.• Ideally, you should use Microsoft’s Visio or any other drawing software.• You must search, select, and briefly evaluate the real network hardware chosen for your network designsbacked up by appropriate references.• You should use legends as part of your designs with a full description of your cabling and networkdevices.• There are several ways that you can prepare a network diagram and advice will be provided. The goal isto be able to communicate your design efficiently in a professional manner.• You need to use appropriate referencing (IEEE or Harvard) for the devices you propose. Various websitessell this type of equipment and there are also the main manufacturers that list their products andspecifications.• Many companies manufacture network products. You can choose any other manufacturer like Cisco,Huawei, Juniper, Ciena, etcTask 2: Network Implementations and Testing• You must implement the primary and secondary network designs on a network simulator such as aCisco Packet tracer) or a network emulator (i.e. GNS3). However, it will be advisable to use the CiscoPacket Tracer 7.3.1 as you have already been practising with this in some of our lab sessions.• You must produce a detailed test and evaluation plan of the implemented networks, and theresults of the testing carried out must be added to the test result section/column in form ofscreenshots.• You are also required to produce a short video demo showing some test results of the implementednetwork functionalities and network services.Task 3: Network Administrative tasks• You must provide the detailed configuration for the DHCP server for the primary business site.• You must provide the detailed configuration of the access control list enabled on the main router.• The detailed SSH configuration for the main router.• Screenshot evidence of the Linux server administrative tasks i.e.o The 15 network users including the two network administrators.o The usernames of the users and passwords.o The two groups (primary and secondary group) showing the list of users.School of Physics, Engineering and Computer Scienceo The privileged accounts showing members that can run commands as root.• You must provide a video demo showing all the network administrative tasks being executed.Note: You can use an application that will record your screen while you are carrying out Task 3.You can use the following format for Task 1 – 3 of the coursework (optional):Task 1: Network DesignsSection 1. The 3 diagramsSection 2. Design Description. Justification of how your design fulfills the specifications. Forexample, redundancy, scalability, security features, cabling, etc.Section 3. Network hardware including the brief evaluation and/or reflection on your selection ofthe network hardware backed up by appropriate references (IEEE or Harvard).Task 2: Implemented Networks on Simulator or Emulator
Section 1.Section 2.
Screengrabs of the implemented networksA comprehensive test plan in tabular format which must include screengrabs of the result
of testing and evaluations carried out.
Section 3.
Conclusion
Note: The short demo video showing some test results of the implemented network functionalities and networkservices should be saved in mp4 format. You must submit this video with the trace files of the implementednetwork. Failure to do this will lead to a zero score in this section.Task 3: Network Administration tasks• Section 1: The detailed configuration for the DHCP server (You can show the code in a logicalmanner).• Section 2: The detailed configuration of the access control list enabled on the main router.• Section 3: The detailed SSH configuration for the main router.• Section 4: Screengrabs of the Linux server administrative tasks.Note: The video demo showing all the network administrative tasks being executed in task 3 should be saved inmp4 format.Further clarifications:This coursework requires a lot of critical thinking. View this task not just as an assessment activity but as a chanceto critically evaluate and reflect on networking technologies and enhance your knowledge interacting with yourtutor. The submitted evidence for this task must be your work – plagiarism will be penalised. Please refer to the tablebelow for the marking criteria.School of Physics, Engineering and Computer Science
Task
Description
Available Marks
Awarded Marks
Task 1
The Network Designs
The complete network design for the primary site showing all the required networkdevices, workstations, and connectivity between different rooms. You must also includethe IP Address table.
15
The complete network design for the secondary site showing all the required networkdevices, workstations, and connectivity between different rooms. You must also includethe IP Address table.
10
The simplified network diagram showing the combination of the two sites.
5
Justifications of how your network designs fulfill the required network specifications. Itmust also provide details of how your network designs achieved redundancy, scalability,and included security features.
6
Brief evaluations on your selection of the network hardware backed up by appropriatereferences (IEEE or Harvard).
4
Task 2
Network Implementations and Testing
The complete network implementation of the primary site showing all the requirednetwork devices, workstations, and the successful interactions of all devices i.e.,workstations in the different VLANs must be able to communicate with each other andwith all the key network devices.
15
The complete network implementation of the secondary site showing all the requirednetwork devices, workstations, and the successful interactions of all devices.
8
Implementation of the combined networks via ISP or VPN.
6
A well-detailed test and evaluation plan preferably in a tabular format.Note: The test results/ outcomes can also be included in the plan after the tests areperformed
10
A short video showing the tests and evaluation carried out.
6
Mandatory submission of the properly labelled trace files of the implemented networks.
5
Network Administrative tasks
Task 3
The detailed configuration for the DHCP server logically showing the codes.
4
The detailed configuration of the access control list enabled on the main router.
4
The detailed SSH configuration for the main router
2
Screenshot evidence of the Linux server administrative tasks i.e.
6
The video demo showing all the network administrative tasks been executed in task 3
4
OverallCommentsand marks
100
o The 15 network users including the two network administrators.o The usernames of the users and passwordso The two groups (primary and secondary group) showing the list of users.o The privileged accounts showing members that can run commands as root.
School of Computer of ScienceASSIGNMENT BRIEFING SHEET (2020/21 Academic Year) – ANONYMOUS MARKING
NumericGrade
Descriptor
Postgraduate Grading Criteria
Communication: Presentation of yourresearch findings in Task 1, etc.Presentation, structure, references, depth, andIntegration of Literature, Theory, and Content /Knowledge).
Application of Technology: Correct use of Network simulatoror Emulator, Correct use of VMWare or VirtualBox,Justification of how your Networkdesign/technologies/protocols/ network hardware fulfill thespecifications.For example, scalability, benefits of the chosen network model inyour design, etc.
Development: Your solution – Networkdiagrams, network implementations,Network administrationFor example: correctly installing andconfiguring the DHCP server, correctlyconfiguring ACL, FTP server, etc
Analysis, Critical Evaluation, and/orReflectionExample: Detailed test plan andevaluation of the implemented network,network services, and tool backed up byappropriate references
90-100
Outstanding
Outstanding presentation and clarity. No significantgrammatical / spelling or structural errors. Ideas presentedwith exceptional clarity.Outstanding standard Referencing in text. Accuracy ofreferences in the text to those in the list. Accuracy of thereference list. Use of recommended referencing system.Outstanding breadth and depth of literature. Outstandingintegration of literature and/or theory into work.Outstanding exploration and demonstration of topic showingin-depth knowledge and understanding.
Outstanding use of appropriate technology as applied to the problem domain.Occasionally stepping beyond expectations using sophisticated solutions.Outstanding skills and understanding demonstrated
Solutions are novel & fully reframed tasks withincontext. The profound depth of engagement andincisive ideas development. Planning is meticulous;decision-making is perceptive.
Outstanding level of analysis, criticalevaluation, and/or reflection.Highly developed / focused work. Original andwell- informed personal response
80-89
Excellent
Excellent structure.Fluent writing style with very few errors. Very minorgrammatical / spelling or structural errors. Ideas presentedwith excellent clarity.Excellent standard Referencing in text. Accuracy of referencesin the text to those in the list. Accuracy of the reference list. Useof recommended referencing system.Excellent breadth & depth. Excellent integration of literatureand/or theory into work.Excellent level of knowledge and understandingdemonstrated. Covers all relevant points and issues.
Excellent use of appropriate technology as applied to the problem domain.Excellent level of skill and understanding demonstrated
Solutions are innovative and partially reframe the taskwithin its context. Considerable depth of engagementand successful ideas development documented.Detailed planning and a clear rationale for decisions
Excellent level of analysis, critical evaluation,and/or reflection of issues. Well-developedpersonal response
70-79
Very good
Very good clear structure. Articulate, fluent writing style andstructure. Very few grammatical errors, spelling mistakes, orstructural issues. Ideas presented with clarityVery good standard Referencing in text. Accuracy of referencesin the text to those in the list. Accuracy of the reference list. Useof recommended referencing system.Very good breadth & depth appropriate to thetopic. Literature and/or theory integrated verywell. Very good level of knowledge andunderstanding demonstrated.
Very good use of appropriate technology as applied to the problem domain. Ahigh level of skill and understanding demonstrated
Solutions relate directly to the task and may stepbeyond conventionsStrong engagement with subject material andprocesses, evaluation of alternatives, solutions comefrom the process.
Very good level of, analysis, critical evaluation,and/or reflection but not consistently taken tothe full extent. The partial personal responsetends towards descriptive
School of Computer of ScienceASSIGNMENT BRIEFING SHEET (2019/20 Academic Year) – ANONYMOUS MARKING
60-69
Good
Good structure. Writing is mainly clear but some spelling and/orgrammatical errors with some structural issues. Good ideas presented withsome issues in clarityGood standard of referencing in text. Accuracy of references in the text tothose in the list. Accuracy of the reference list. Good use of recommendedreferencing system.Good use of literature. Depth appropriate to a topic with moderatebreadth or vice versa. Literature and/or theory integrated intowork.Good grasp of the topic and some of its implications. Knowledge andunderstanding are demonstrated.Minor errors/omissions.
Good use of appropriate technology as applied to theproblem domain. A good level of skill andunderstanding was demonstrated.
Solutions are appropriate to the task, work well withinconventions. Good use of subject material and planningprocesses, range of alternatives put forward andevaluated Good experimentation to supportimplementation within conventions
Good level of analysis and/or reflection furthercritical evaluation could be expanded. Primarilydescriptive personal response.
50-59
Clear pass
Satisfactory structure.Writing is clear but some spelling and/or grammatical errors with somestructural issues. Ideas presented with some issues inclarity Satisfactorystandard of referencing in text. Accuracy of references in the text tothose in the list. Some accuracy of the reference list. Use ofrecommended referencing system.Satisfactory use of literature. Depth appropriate to topic BUT limitedbreadth or vice versa. Literature and/or theory integrated into work.Satisfactory grasp of the topic and some of its implications. Someknowledge and understanding are demonstrated. Some errors /omissions.
Satisfactory use of appropriate technology asapplied to the problem domain. Satisfactory level ofskill and understanding demonstrated.
Solutions are appropriate to the task, work well withinconventions. Satisfactory use of subject material andplanning processes, range of alternatives put forward andevaluated Satisfactory experimentation to supportimplementation within conventions
Satisfactory level of analysis and/or reflection butcritical evaluation could be expanded on further. Theprimarily descriptive personal response, sometimesrestricted to immediate concerns
40-49
Marginal fail
Poor structure. Has many spellings and /or grammatical errors. Poorpresentation of ideas.Limited referencing in text.Accuracy of references in the text to those in the list. Accuracy of thereference list. Use of recommended referencing system Limited inbreadth and depth. Literature and/or used/quoted without comment.Limited content/knowledge. Limited or muddled understanding of thetopic/question.
Limited use of appropriate technology as applied tothe problem domain.Limited skill and understandingdemonstrated.
Solutions reframe tasks inappropriately and do notaddress conventions.Basic use of strategies, few alternatives, limitedevaluation. with limited experimentation
Limited evidence of analysis, critical evaluation,and/or reflection. Too descriptive in parts.Limited personal response.
11-39
Clear fail
Lacking Structure –argument difficult to follow.Poorly written and/or poor spelling and grammar. Few clear ideas werepresented. Lacking referencing within the text. Accuracy of references inthe text to those in the list. Accuracy of the reference list. Use ofrecommended referencing systemLacking in breadth and depth. Some literature and/or theoryirrelevant to the topic area.Lacking knowledge Content irrelevant/inaccurate.Does not address the question and therefore does not meet thelearning outcomes.
Very little use of appropriate technology asapplied to the problem domain. Very little skilland understanding demonstrated.
Lacking inappropriate solutions with very limited use ofstrategies, no evaluation, and little evidence of ideasdevelopment.
Lacking in its level of analysis / criticalevaluation and/or reflection.Mainly descriptive, lacking in a personalresponse.
School of Physics, Engineering and Computer SciencePage 12 of 12
0-10
Nothing of merit
No discernible structure. Very difficult to followMany grammatical errors. Many spellings mistake. No presentationof ideas. Unsatisfactory referencing within the text. The referencelist does not match references in the text.The reference list has incorrect citations and/or is not in therecommended format. No reference list included. No /unsatisfactory evidence of literature and/or theory isreferred to. Much of the literature and/or theory usedirrelevant to topic area No / unsatisfactory level ofknowledgedemonstrated. Content not appropriate to the topic.
No use of appropriate technology is applied tothe problem domain. No skill and understandingwere demonstrated.
No or completely inappropriate solution. No use ofstrategies, no planning, and no experimentation.
Unsatisfactory level of analysis / criticalevaluation and or reflection.Wholly descriptive. No personal response.
Regulations governing assessment offences including Plagiarism and Collusion are available fromhttp://sitem.herts.ac.uk/secreg/upr/pdf/AS14-Apx3 Assessment%20Offences-v06.0.pdf

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