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Suppose a client computer with IP address 127.192.92.30 in building ZZ requests a large web page from the server in building XX (www.xyz.com). Assume that the client computer has just been turned on and does not know any addresses other than those in its configuration tables. Assume that all gateways and Web Servers know all the network layer and data link layer addresses.
a. Explain what messages would be sent and how they would flow through the network
i) to deliver the Web page request to the server and
ii) as the Web server sent the requested page to the client.
b. Why does HTTP at the application layer uses TCP while DNS uses UDP when it passes its message packet with overhead to the Transport Layer and then hand it off to the Network Layer?
Given the narrow (usable) audio bandwidth of the telephone transmission facility, nominal SNR of 56 dB (400,000), and a distortion level of
Describe at least three different networks (computer or data communications) which you access or interact with on an average day.
While working in an economy, it has a separate identity but cannot operate insolently.
If you have a class B network and want to divide it into subnets, each with 126 hosts, which subnet mask should you use? What are the four addresses (broadcast and network number) for the network starting at 131.204.18?
Draw a simple graph to show conflict degree. Use channels as colors and show the algorithm step by step to color the graph. Explain what does thismean i.e. what have you constructed?
Write a temperature conversion program. The GUI and event handling setup should be done in the constructor of the class that implements the GUI.
the use of a trac generating application and a network emulator to perform network analysis. the trac generating
i. outlinethis case study will require you to1 build a small network using three switches and one router2 one switch
Explain two layers: LLC & MAC, and how are they different from what is available in TCP/IP protocol? Why do we require these two extra layers for LAN?
Determine an Internet address for this domain name. Under what situations is each of the following statements true of the name resolution process?
You are to develop a pair of Web Services, complete with matching WSDLs and client software, which implement the functions of a Local Time Converter (LTC) service.
Sketch a PPP frame and fill in the fields with bits. The information field contains a link layer control message containing two octets which are all ones. The FCS is 01011001 10100111. Make your sketch in a vertical format that is 32 bits wide.
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