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Question :
a) In your view, what are the top three strengths and weaknesses of wireless systems? Rank them in order of priority. What can be done to address the weaknesses?
b) Explain the key characteristics of mobile computing applications.
c) What do you meant by the term m-commerce? What is needed to make m-commerce a reality?
d) What are the basic components of a mobile computing platform and how do these components support mobile computing applications?
e) What is the difference between wireless gateways, wireless middleware, and mobile application servers.
explain types of computer network
ETHERNET FIELDS: In Ethernet fields the preamble and CRC is usually not given in frame. The destination address of each is the broadcast address. There is special value reser
Question 3:4 By experimentation, work out the lowest SNR, under which 4 users can si- multaneously communicate, without error, via this system. For SNR, simply report the largest v
use of go back n protocal
Overview of the Transport Layer Protocols Transport layer can be available more than protocols to the network applications. For example the network applications. For
Problem 1: (a) Briefly explain each of the following wireless standards: (i) WiFi (ii) WiMAX (iii) 3G. Problem 2: (b) Bluetooth is an industrial specific
Torus The mesh network with enclose around connections is called Tours Network.
Data Transfer After connection is established bidirectional data transfer can take place. The client and server can both send data and acknowledgments. Figure show
QUESTION a) How is an Intranet different from an Internet? b) State the main differences between a router and a switch c) Explain the function of a modem d) Calculate
As the Internet started, the original Classful addressing procedure became a limitation. The IP address space was being terminated because all networks had to select one of three p
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