How JustAnswer Works:

  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.

Ask Scott Your Own Question

Scott
Scott, MIT Graduate
Category: Homework
Satisfied Customers: 3040
Experience:  MIT Graduate (Math, Programming, Science, and Music)
3546829
Type Your Homework Question Here...
Scott is online now
A new question is answered every 9 seconds

NA - 201

Customer Question

Assessment item 2
Assignment 2
Value: 15%
Due date: 21-Aug-2012
Return date: 11-Sep-2012
Submission method options
Hand delivery (option applies to Internal only)
Alternative submission method
Task
Question 1 (20 marks):
1.a Describe Phase Shift Keying, Quadrature Phase Shift Keying, and Quadrature Amplitude
Modulation technique? (10 marks)
1.b Discuss the advantages and disadvantages of Phase Shift Keying over Amplitude Shift Keying. (10
marks)

Question 2 (20 marks):
2.a When and why would you use a Fiber optic cable instead of a Twisted pair wire. (10 marks)
2.b Explain how 4B/5B digital encoding scheme works. Describe its advantages and disadvantages.
(10 marks)
Question 3 (20 marks):
3.a Explain the Code Division Multiplexing technique with examples. (10 marks)
3.b Discuss its advantages and disadvantages compared to other multiplexing techniques. (10 marks)
Question 4 (20 marks):
4.a. Discuss the Lossless and Lossy compression techniques. (10 marks)
4.b. When would you like to use the Lossless and Lossy compression techniques? Give examples. (10
marks)
Rationale
To demonstrate your understanding of:
TCP/IP reference model
Data and signal conversion techniques
Encoding techniques
Basics of data communication (Asynchronous, synchronous and isochronous connection)
Multiplexing/Demultiplexing
Various transmission media
Basics of data communication (Lossless and Lossy compression)
Marking criteria
Marks will be awarded for:
Correctness of the answer.
Demonstration of depth of knowledge.
Number of valid points or features discussed.
Clarity of Explanation.
Correct in text and end of document referencing according to APA referencing format
Submitted: 2 years ago.
Category: Homework
Expert:  Josie-Mod replied 2 years ago.
Hi, I'm a Moderator for this topic. I've been working hard to find a Professional to assist you right away, but sometimes finding the right Professional can take a little longer than expected.


I wonder whether you're ok with continuing to wait for an answer. If you are, please let me know and I will continue my search. If not, feel free to let me know and I will cancel this question for you. Thank you!
Customer: replied 2 years ago.
i need this by this Thursday !
Expert:  Josie-Mod replied 2 years ago.
Thank you for your continued patience. We will continue the search for a Professional for you.
Expert:  Josie-Mod replied 2 years ago.
Thank you for your patience, your business is very important to us, we are waiting on the Professional with the right expertise to come online. Feel free to let us know if you would like us to continue searching for a Professional or if you would like us to close your question. Thank you for your understanding!
Customer: replied 2 years ago.
thanks
Customer: replied 2 years ago.
Whoever is moderating this question Please close it and i want get all my account balance refund to my account i.e $84.

JustAnswer in the News:

 
 
 
Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.
 
 
 

What Customers are Saying:

 
 
 
  • Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help. Mary C. Freshfield, Liverpool, UK
< Last | Next >
  • Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help. Mary C. Freshfield, Liverpool, UK
  • This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!! Alex Los Angeles, CA
  • Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult. GP Hesperia, CA
  • I couldn't be more satisfied! This is the site I will always come to when I need a second opinion. Justin Kernersville, NC
  • Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around. Esther Woodstock, NY
  • Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know. Robin Elkton, Maryland
  • He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here. Diane Dallas, TX
 
 
 

Meet The Experts:

 
 
 
  • Manal Elkhoshkhany

    Tutor

    Satisfied Customers:

    4522
    More than 5000 online tutoring sessions.
< Last | Next >
  • http://ww2.justanswer.com/uploads/BU/BusinessTutor/2012-2-2_115741_Kouki2.64x64.jpg Manal Elkhoshkhany's Avatar

    Manal Elkhoshkhany

    Tutor

    Satisfied Customers:

    4522
    More than 5000 online tutoring sessions.
  • http://ww2.justanswer.com/uploads/ComputersGuru/2010-02-13_051118_Photo41.JPG LogicPro's Avatar

    LogicPro

    Engineer

    Satisfied Customers:

    3458
    Expert in Java C++ C C# VB Javascript Design SQL HTML
  • http://ww2.justanswer.com/uploads/LI/lindaus/2012-6-10_04811_IMG20120609164157.64x64.jpg Linda_us's Avatar

    Linda_us

    Finance, Accounts & Homework Tutor

    Satisfied Customers:

    3124
    Post Graduate Diploma in Management (MBA)
  • http://ww2.justanswer.com/uploads/chooser77/2009-08-18_162025_Chris.jpg Chris M.'s Avatar

    Chris M.

    M.S.W. Social Work

    Satisfied Customers:

    2385
    Master's Degree, strong math and writing skills, experience in one-on-one tutoring (college English)
  • http://ww2.justanswer.com/uploads/JawaadAhmed/2009-6-27_12137_SIs_SHadi.jpg F. Naz's Avatar

    F. Naz

    Chartered Accountant

    Satisfied Customers:

    1988
    Experience with chartered accountancy
  • http://ww2.justanswer.com/uploads/JK/jkcpa/2011-1-16_182614_jkcpa.64x64.jpg Bizhelp's Avatar

    Bizhelp

    CPA

    Satisfied Customers:

    1876
    Bachelors Degree and CPA with Accounting work experience
  • http://ww2.justanswer.com/uploads/avremote/photoa.jpg Seanna's Avatar

    Seanna

    Tutor

    Satisfied Customers:

    1781
    3,000+ satisfied customers, all topics, A+ work
 
 
 
Chat Now With A Tutor
Scott
Scott
MIT Graduate
3040 Satisfied Customers
MIT Graduate (Math, Programming, Science, and Music)