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Question:
(a) Distinguish between UDP and TCP.
(b) You have been asked to design and implement a chat application for a university. Which protocol could you used TCP or UDP? Justify your answer.
(c) Do you think multithreading is important for the chat application?
(d) Prepare a sequence diagram showing the exchange of messages among the objects involved in a chat session.
(e) What is a socket? Why sockets are important? Why a port assignment is necessary during the creation of a socket?
Alice sends a message to Bob, encrypted with a symmetric key. Bob decrypts the message and finds it is a purchase order for an expensive workstation. When the time comes to deliver
The diagram below offers an overall view on the methods use by both the OSI and TCP/IP model. ISO Approach - Occasionally called Horizontal Approach - OSI asse
Calculate data bandwidth requirements from and to each site.
What is Forward Error Correction and data words Forward error correction It is the process in which the receiver tries to guess the message by using redundant bits. Da
Describe the concept of intradomain and interdomain routing protocols?
Can you define the WAN and LAN Interface in Routers?
What is Proxy ARP? Is using a router to give answer ARP requests. This will be completed when the originating host believes that a destination is local, when in fact is lies be
Different parts of dialogs in Session layer?
Sending a message to a group multicast address is known as multicasting, and its routing algorithm is known as multicast routing.
The following issues are decided by the system in the process of message passing: 1) Whether the communication link is established or not 2) Whether the receiver is ready to
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