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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 the download time of a 2.5 GB file with an ADSL connection with a downstream speed of 256 kbps and an upstream speed of 128 kbps
i. When the line is 100% usage
ii. When the line is 80% usage
Express your answers in Hours: Minutes: Seconds
Q. Show Infrared Applications? - Wide bandwidth accessible for data transmission - Communication between mice, PCs, keyboards, and printers Media selection - Every
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Distance covered, Based on size, ownership and physical architecture - LAN (Local Area Network) - Suitable for smaller geographical area - MAN (Metropolitan Area Network) - S
Define Choke packet and Implicit congestion signalling Choke packet: A choke packet is a control packet produced at a congested node and transmitted back to a source node to co
What is tracert? Tracert is a Windows utility program that can used to trace the route taken by data from the router to the destination network. It also represents the number o
Q. Data Link Layer Responsibilities? - Defines frames into manageable data units - Physical addressing - Flow control - Error control - Access control Nod
Briefly write functionalities of different OSI layers? The OSI Reference Model includes seven layers. Basic functionality of each of them is as follows: 1. Physical Layer:
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1. Write a critical analysis of the client/server vs. service architecture method for developing service architectures. You must explain what the client/server method is in terms
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