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Computer Networks (CS610)


Total marks = 20

                                                                                       Deadline Date =25-July-2016


Assignment Guidelines:


Instructions for the assignment preparation:


  • You are required to make a presentation file (.ppt or .pptx) for your assignment solution
  • Presentation will consist of maximum of 4– 5slides
  • First slide will contain student name and ID
  • Remaining slides will contain the solution of the assignment
  • You have to formally present your assignment with proper dress code and have to record the video of your presentation
  • You can use any video recording facility such as web cam, camera, mobile phone or etc. for recording of your presentation (See the tutorial “Tips for Recording Videos.mp4” available at download section of VULMS).
  • In first slide, you will speak your name and ID, and in remaining slides, you will be required to explain your solution.
  • Your introduction and explanation should not take more than 4 to 5 minutes
  • After recording of your presentation, you have to convert your video in “.3gp” format using any video conversion tool to reduce the size of the video file. (See the tutorial “Video Compression.mp4” available at download section of VULMS)
  • After converting the video in .3gp format, review your file to verify that audio and video are properly playing. 
  • Install VLC media player to view your compressed video before uploading on VU-LMS.You can download VLC from
  • It is preferable to use English in your presentation in case of reluctance you can also use Urdu language.
  • Note that you will record your presentation standing in front of camera.


Weightage of Assignment:


  • This assignment has 5% weightage of your overallmarks in respective subject. 


Instructions for the assignment submission:


  • Compress your video file and presentation file using any compression tool like WINZIP or WINRAR
  • Save your assignment with your ID (e.g. bc020200786.rar)
  • Make sure that size of assignment file should not exceed 30 MB


For any query please contact:



Assignment Task

Note: You are given three topics. You can select topic of your own choice. Instructions for solving the assignment are given at the top.


  1. Explain subnetting with an example of class “C” address.
  2. You have given an IP address of class “C” You need to represent it in binary format.
  3. Explain Best Effort delivery with example(s).

Views: 4827


Replies to This Discussion

koi to assignment ka sahi solution dy dy?

hey people,

This is my first post ever and i have learnt a lot from you people, this community has helped me a lot, now its about time that I should return the favor.

Ok, I think I am quite proficient in powerpoint and I am a videographer by profession. I can help you people with the assignment, I wont make the assignment for you, I can guide you, show you my screen and give you tips how to make this assignment.

Ofcourse I cant help all of you who are not that good with computers but I will try to help as many as I can, 



Dear let me make it easy for all the Students...
App esa kero k app apna Tutorial bnao aur us ko Upload ker do... Vimeo, aur Youtube pr...

So that everyone can easily get hlep from that tutorial...

Us ko upload ker k app link yahan send ker do....

Time ki bachat bhi aur zyada sy zayada logoon ko faida bhi...

kia kehty hain>>???

muzzamil ahmed cell no , email sharing is not allowed at the time be care.thanks 

Sorry to all for late posting but i was too much busy so could not visit here. Please check attached slides and change by your own. 

Then explain these slide in your own word and make a video of your face during this. This video need to be compress by using any video converter in 3gp. after that put slides and compress video in a folder and rename folder with you vu id like. bc14XXXXXX then left click on that folder and choose option (add to "bc14xxxxxxx.rar"). this will create another file with your bc14xxxx.rar you have to post that file. 

after posting video you need to download file and left click on that choose option extract here and play video in VLC player in other player you may sound issue. 

Following are the links: 

VLC download:

Any video converter download:

Winrar 32 and 86 bit:

Winrar 64 bit :

I hope every thing is clear now if still you need any assistant see this video may be its helpful to you.


great man ..u did great work,be blessed..


Every subnet will have IPs in 2s power like 4,8,16,32,64,128,256…… we can choose number of IPs according to our need if we have 20 users in LAN we will have to get 32 IPs for this.

An important point is ,every subnet contains net IP and broadcast IP which will not useable for devices, its being used for identification of subnet so if we need exactly 16 IP for 16 users then we must have to choose subnet of 32 because two IPs will not be use on PCs. One IP we need for gateway we configure that IP on our router so all PC can communicate b/w each other by using gateway IP installed on router.

To make communication possible b/w 16 users we need total 19 IPs. 

can any one explain this point? i am not clear with it

It means k hum ne ya to 4 ka subnet bnana ha ya 8 ka ya 16 ka so on mean k agr humein 20 IP zrorat hein to humein 32 wala subnet lena ho ga.
ye subnet mask ha jis ki binary representation:
agr aap end se bit zero kro to ye 2 ki power mein hoga,
aap behtr ha agr is mein confuse ho to kaat do slide se or just subnet mask or Network IP kid definitions daal do.

thanx buddy:):):):)

is it true ans of best effort delivery and its example please share ur great ideass.. thnx

Best-effort delivery describes a network service in which the network does not provide any guarantees that data is delivered or that a user is given a guaranteed quality of service level or a certain priority. In a best-effort network all users obtain best-effort service, meaning that they obtain unspecified variable bit rate and delivery time, depending on the current traffic load. It can be contrasted with reliable delivery, which can be built on top of best-effort delivery (possibly without latency and throughput guarantees), or with circuit switching schemes which maintain a defined, continuous quality of service.

The postal service delivers letters using a best-effort delivery approach. The delivery of a certain letter is not scheduled in advance – no resources are preallocated in the post office. The service will make their "best effort" to try to deliver a message, but the delivery may be delayed if too many letters arrive to a postal office suddenly. The sender is not informed if a letter has been delivered successfully.

Conventional telephone networks are not based on best-effort communication, but on circuit switching. During the connection phase of a new call, resources are reserved in the telephone exchanges, or a busy signal informs the user that the call is blocked due to lack of free capacity. An ongoing phone call can never be interrupted due to overloading of the network, and is guaranteed constant bandwidth.

  1. you have given an IP address of class “C” You need to represent it in binary format.        any student who can tell me that how can i make 4 or 5 slides of this Q while this is so simple this can be done only in one slide and what explanation should be made of binary conversion. i need only guidence about above.


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