Get a unique, high-quality and non-plagiarized paper from us today at the most affordable price
Email us : premieredtutorials@gmail.com

Data Communications

Question 1 (20 marks)
Part A We presented four impairments to physical transmission of signals – attenuation,
noise, attenuation distortion, and delay distortion. How will these affect the guided media
of copper wires and optical fibre cable, and wireless media? Suggest some techniques that
are used at the physical layer to counteract these effects (that is ignore techniques like error
detection and correction used at higher layers).
Part B Consider again the above three media, but in this case how does security affect
these media and again what physical measures can be taken to secure these media.
Question 2 (20 marks)
Boojum Enterprises intends letting their workers bring their own device (BYOD) to work,
so that workers can use a device that they are personally comfortable with. The office
measures 50 metres by 20 metres. It is already serviced by a 1000Base-T Ethernet LAN.
What would you recommend for a wireless LAN installation? What 2016 802.11
technology would you recommend? How many access points are required and how would
they be positioned for the particular version of 802.11 you have chosen?
Question 3 (10 marks)
A backbone network can be constructed as a switched backbone, a routed backbone or a
VLAN backbone. Each of these approaches has its advantages and disadvantages.
a) (6 marks) Discuss the advantages and disadvantages of each approach. [Up to 400
b) (2 marks) Describe an example of a situation where a switched backbone would be
preferred. [Up to 150 words]
c) (2 marks) Describe an example of a situation where a VLAN backbone would be
preferred. [Up to 150 words]
Question 4 (10 marks) – Data Link Layer
a) (2 marks) Senders and receivers have agreed to use even parity. Acting as a sender, add
a parity bit to the following bit sequences.
b) (2 marks) Senders and receivers have agreed to use odd parity. Are the following
received bit sequences correct?
c) (3 marks) An ASCII transmission scheme uses DLE STX control characters to start a
frame and DLE ETX to end a frame. Using character stuffing (hint: only DLE needs to
be escaped), what are the ASCII sequences to transmit the following data streams?
d) (3 marks) A bit-oriented protocol uses the flag bits 01111110 to start and end the frame.
What will be the transmitted frames for the following streams of bits?

Do you want your assignment written by the best essay experts? Then look no further. Our teams of experienced writers are on standby to deliver to you a quality written paper as per your specified instructions. Order now, and enjoy an amazing discount!!

Looking for a similar assignment. Place your order for a similar paper now and have excellent work written by our team of professionals to ensure you acquire the best grades.

If you find it difficult to balance your work and your studies because you are overwhelmed by other responsibilities, you have come to the right place . With the help of our dependable and simple-to-use essay and research writing service, students are able to focus on work or non-academic-related duties that they are required to carry out and complete all their school work on time .

We assist students who are struggling with their academic endeavors by allowing them to obtain essay assistance from  professional essay writers. We are never late for a deadline. When you ask our writer to write your paper, the assignment can be completed in as little as 12 hours or as long as 2 weeks. The order’s deadline is entirely up to you. 

Place an order of your assignment if you are in urgent need of assistance because your essay is due in a few hours/days or you do not know how to complete your professor’s academic assignment. We are here to assist you. You are guaranteed of high grades through our services. 

How to Place an Order 

When you want Premiered Tutorials to do your homework for you, you send the assignment details such as the instructions, due date/deadline, number of pages and college level to the customer support agent online on live chat,  fill in the assignment details at place an order or send the information to our email address premieredtutorials@gmail.com and a customer support agent will respond to you immediately. 

Premiered Tutorials has competent writers to handle any of your assignments. Once you place your order, we choose for you the best and competent writer for your assignment based on each writer’s competence in handling a subject. 

When the homework is completed, we have a quality assurance team that proofreads the assignment to ensure it meets the required rubric instructions from your professor.

After thorough review of your assignment, we send the paper to the client. In case you need any changes at this point, you can let us know so that we can handle it for you at no extra charge. 

Why Premiered Tutorials?

If you need professional online homework help at a cheap price from professional and thoroughly vetted online homework helpers, reach out to the best homework help website, Premiered Tutorials.

Whether you are in high school, undergraduate, masters or PhD level, we have the best academic writers to assist you with your homework. We thoroughly vet all our online homework helpers to ensure they are competent to handle our clients’ tasks. Some of the requirements we have is ensuring that they are English Native speakers, have all attended colleges and had high grades in their undergraduate, Masters and PhD classes and have worked as academic writers and delivered high results.

We are a reliable and best essay writing website in the market. Our assignment help services or rather what our clients ask us to do for them include take my online class for me, order an essay cheap, pay someone to write my essay, help with my assignments, history homework help, college homework help, essay writing help online, answers for your homework, pay someone to do my homework for me, homework answers math, pay someone to take my proctored exams and nursing homework assignment help online. As the best website for homework answers, our homework doers also offer cheap essay writing services, online assignment help for all classes

  • Law/ Criminal Law
  • Nursing
  • Information Technology
  • Psychology
  • Business
  • Statistics
  • Sociology
  • History
  • Communication
  • Culture and Society
  • Biology
  • Astronomy
  • Engineering

The courses indicated above are just but a small group of the types of classes Premiered Tutorials handles.

We have competent homework writers that can handle all academic disciplines regardless of the level of education of our clients.

  When we do your homework for you, we write it from scratch to ensure you receive a unique paper. It also ensures that every homework we do for you is free from plagiarism and will help the client to get the highest grades in his or her classes. Any client who manages to consistently use our homework help services is guaranteed of always having the best grades and being one of the top students in the class because we always deliver the best quality for any homework we do for you.

When we complete working on your homework, we deliver the paper to you on time as we are well aware that the work we handle, is time sensitive. Timely deliveries of assignments help our clients get the highest grades because missed deadlines on assignments can result to deductions of marks for late submissions. Therefore, you will always be assured of quality online homework help through Premiered Tutorials whenever you ask us to do your homework for you.

Homework Help Website

Why we should write your Paper 

  1. Money Return guarantee
  2. 0% Plagiarism Rate
  3. Guaranteed Privacy
  4. Written from scratch by highly qualified writers 
  5. Communication at Any Time (24/7)
  6. Flexible Pricing and Great Discount Programs
  7. Timely Deliveries
  8. Free Amendments

Statistics about Us

130 New Projects
235 Projects in Progress
315 Inquiries
420 Repeat clients

© 2021 Premiered Tutorials
All rights reserved. We provide online custom written papers, such as term papers, research papers, thesis papers, essays, dissertations and other custom writing services.

All papers inclusive of research material are strictly intended to be used for research and study purposes only. Premiered Tutorials does not support or condone plagiarism in any form. These custom papers should be used with proper reference.

Place an Order
error: Content is protected !!