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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?
system files
Consider a simple wireless data link using channel bandwidth of 40 kHz. The transmit power level is 20 dBm, the link attenuation is 40 dB and the SNRdB at the receiver is 20 dB.
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
Many benefits of configuring VLAN as listed below: • Performance Enhancements: It reduces heavy load on the network by permitting operations at lower latencies by using VLAN t
Explain how DHCP work?
Can you give an overview of the components in IPSec?
Coaxial Applications & Performance - Analog plus digital phone networks - Cable TV networks - Traditional Ethernet LANs - Power line and Home Networks-phone line -
Name the OSI layer which performs code conversion, code formatting and encryption Ans) Presentation layer performs code conversion, code formatting and encryption
Q. Example on audio transmission? admission policy - QoS mechanism; switches (routers) first check resource requirements of a flow before admitting it to the netwo
The address for a device as it is recognized at the Media Access Control (MAC) layer in the network architecture. MAC address is usually stored in ROM on the network adapter card a
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