Unit 27 Network Operating Systems

BTEC Level 4-5 HNC/HND Diploma Unit 27 Network Operating Systems

To be filled by the Student
Full Name of the Student:
Edexcel No:IDM Registration No:Batch No:
HND Qualification: Higher National Diploma in Computing and Software Development
Unit Code & Title: 27 Network Operating Systems
Assessment Title & No’s: XYZ Company
Assessor Name: Mr. Disnaka Punchihewa

Learning outcomes and grading opportunities: Pass Criteria

LO 01: Understand network operating systems principles

Learning OutcomesLO1.1LO1.2LO1.3

LO 02: Be able to plan the implementation of network operating systems

Learning OutcomesLO2.1LO2.2
LO 03: Be able to implement network operating systems
Learning OutcomesLO3.1LO3.2LO3.3
LO 04: Be able to manage network operating systems
Learning OutcomesLO4.1LO4.2LO4.3
Merit and Distinction Criteria

Assignment Issued Date: 06th March 2017

Completion Date: 25th May 2017

Date of Assignment Submission:

Assessor Comment 

Internal Verifier Comment

General Guidelines for Assignment

  1. Students should use previous page as your cover sheet and be sure to fill the details accurately.
  1. This entire assignment brief should be attached in first before you start answering for questions.
  1. Unit 27 Network Operating SystemsAll the assignments should prepare using word processing Application.
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Word Processing Guidelines for Assignment

  1. Use a font type that will make easy for your examiner to read. The font size should be 12 point, and should be in the style of Time New Roman.
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  1. Use footer function on the word processor to insert Your Name, Subject, Assignment No, and Page Number on each page. This is useful if individual sheets become detached for any reason.
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Important Points to consider:

  1. Check carefully the hand in date and the instructions given with the assignment. Late submissions will not be accepted.
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  1. Don’t leave things such as printing to the last minute – excuses of this nature will not be accepted for failure to hand in the work on time.
  1. You must take responsibility for managing your own time effectively.
  1. If you are unable to hand in your assignment on time and have valid reasons such as illness, you may apply (in writing) for an extension.
  1. Failure to achieve at least a PASS grade will result in a REFERRAL grade being given.
  1. Non-submission of work without valid reasons will lead to an automatic REFERRAL. You will then be asked to complete an alternative assignment.
  1. Take great care that if you use other people’s work or ideas in your assignment, you properly reference them, using the HARVARD referencing system, in you text and any bibliography, otherwise you may be guilty of plagiarism.
  1. If you are caught plagiarizing you could have your grade reduced to A REFERRAL or at worst you could be excluded from the course.

I hereby, declare that I know what plagiarism entails, namely to use another’s work and to present it as my own without attributing the sources in the correct way. I further understand what it means to copy another’s work.

  1. I know that plagiarism is a punishable offence because it constitutes theft.
  1. I understand the plagiarism and copying policy of the Edexcel UK.
  1. I know what the consequences will be if I plagiaries or copy another’s work in any of the assignments for this program.
  1. I declare therefore that all work presented by me for every aspects of my program, will be my own, and where I have made use of another’s work, I will attribute the source in the correct way.
  2. I acknowledge that the attachment of this document signed or not, constitutes a binding agreement between myself and Edexcel UK.
  3. I understand that my assignment will not be considered as submitted if this document is not attached to the attached.

Student’s Signature: ……………………………                                                                    Date:.………………

CriteriaCriteria EvidencePossibleFeedback
P28.1.1Evaluate types of NOS and NOSTask 1.1
P28.1.2Discuss the benefit of disasterTask 1.2
recovery and NOS security
P28.1.3Critically compare a selection ofTask 1.3
current NOS’s in use
Plan the implementation of a NOS
P28.2.1for a required service to meet aTask 2.1
given specification
P28.2.2Evaluatethe plan and analyzeTask 2.2
user feedback
P28.3.1Implement a NOS service basedTask 3.1
on a prepared plan
P28.3.2Test  theNOS  to  meet  userTask 3.2
P28.3.4DocumentandanalyzetestTask 3.2
results against expected results
P28.4.1EstablishandjustifyaTask 4.1
performance baseline
P28.4.2MonitorNOSperformanceTask 4.2
against the baseline
P28.4.3Justify performance optimizationTask 4.3
and update to NOS.

Unit 27 Network Operating Systems

Grade Descriptors for MERITPossible evidence× /√Feedback
M1  Identify and applyEffective judgments have
strategies to findbeen made
appropriate solutions
M2  Select / design andA range of methods and
apply appropriatetechniques have been
methods / techniquesapplied
M3 Present andThe appropriate
communicate appropriatestructure and approach
findingshas been used
Grade Descriptors forPossible evidence× /√Feedback
D1 Use critical reflectionConclusions have been
to evaluate own workarrived at through
and justify validsynthesis of ideas and
conclusionshave been justified
D2 Take responsibilityActivities have been
for managing andmanaged
organizing activities
D3 DemonstrateInnovation and creative
convergent / lateral /thought have been applied
creative thinking


You are appointed as administrator of the XYZ company and you are responsible for implementing, maintaining, supporting, developing and, in some cases, designing communication networks within an organization. Goal is to ensure the integrity of high availability network infrastructure to provide maximum performance for the users.

As manager explained, Company required a central server to store sensitive documents. Sometimes users required to scan and print documents, but it’s not practical to provide printers and scanners for individual users. HRM system is a web based system and should be hosted locally and should be accessible via Internet. All user accounts should be controlled from a central server. Social web sites, online Radio-TV channels & torrents should be blocked on the network.

Task 1

1.1 – Describe the following server types with their usage and benefits.

File Server Print Server

Distributed Scan Server Web Server

Proxy Server

1.2 – Describe the following which is very important to any network.

High Availability Failover

Disaster Recovery

1.3 List and describe 10 security measures to protect your network

Task 2

2.1 – Read the assignment scenario and gather company requirements. Suggest following things after analyzing the requirements.

Required services for the company Number of servers required

Suggest an Operating System considering cost and robustness

2.2 – Create a user feedback form to get the user feedback for a newly implement network.

Task 3

3.1 – Create an installation plan for the identified requirements in task 2.

3.2 – Create a test plan to verify all systems are working as expected.

Task 4

4.1 – Create a network baseline for normal performance without load & establishing performance with load.

4.2 – Describe 3 network performance monitoring tools.

4.3 – Describe 3 methods to optimize the performance of a server without changing the hardware.

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