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Q. Illustrate Stop-and-Wait Automatic Repeat request?
- Simplest flow as well as error control mechanism
- The sending device keeps a duplicate copy of the last frame transmitted until it receives an acknowledgement
- Frames signifies alternately numbered as 0 and 1
- ACK for frame0 = ACK 1 and for frame1= ACK0
- Out of order frames as well as erroneous frames are discarded and no ACK is sent
- Timers
- Control Variables
Q. Quality of Service - multiplicative decrease? Quality of Service The collective consequence of service performance which determines the degree of satisfaction of a
Q. Describe about Cryptography? - Some media cannot be protected from unauthorized reception (or interception) - Encryption involves transforming the original information in
Discuss about LAN topologies LAN topologies: Network topology is a physical schematic that demonstrates interconnection of the many users. There are four fundamental topolog
Token Bus Frame Format No length field Data is able to be much larger (timers prevent hogs) Frame control Ack required? Data vs Control frame and how is
Question: (a) In relation with a cellular network architecture, describe the following terms: (i) Clusters (ii) Pico cells (iii) Nano cells (iii) Cell breathing (b)
Prepare the Network Step 1: Disable all ports by using the shutdown command. Ensure that the initial switch port states are inactive with the shutdown command. Use the inter
Security models by giving striking analogies to the real world A classical case study: (With due acknowledgements to the security exponent who proposed this theory.) He has c
In this part we shall give a short description of the routines in the PVM 3 user library. Each PVM program should include the PVM header file "pvm3.h" (in a C program) or "fpvm3.h"
Simulate extremely limited forms of IP and ICMP. You will simulate 6 computers, 4 hosts and 2 routers, that are connected in an imaginary network with the topology as shown belo
where can i find some informations about the subject and the assignment is called Clotilde manufacturing group
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