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Describe the OSI model and how it relates to a network in 200 to 300 words. Your response must include answers to the following: On which layers of the OSI model do WAN protocols operate? What are some of these protocols? On which OSI layers do switches and routers operate? If routers reside at more than one layer, what is the difference between the OSI layers?
PCs connected to the two wall jacks work fine, but the three connected to the switch refuse to communicate with the network. What could be wrong and what should she try next?
Packet switch receives a packet and determines outbound link to which packet should be forwarded. Determine the queuing delay for packet? Show work.
What kinds of wireless WAN services are available today? What standards are involved with wireless WAN services? What kinds of issues might you encounter?
Determine the IP addresses of www.google.com and www.yahoo.com. Modify hosts file to map www.google.com to yahoo's IP address and try to do google search. Remove modification to host file and repeat.
What are the areas addressed in CBK? Was policy explicitly listed? If not, where do you feel it is addressed in the CBK?
A quality control manager has used algorithm C4.5 to come up with rules that classify items based on several input factors. The output has two classes -- Accept and Reject. An item classified as Reject is actually good?
Analyze the result we obtained regarding the HTTP page response time. Collect four other statistics, of your choice, and rerun the simulation of the Simple and the Busy network scenarios.
Identify the various costs associated with the deployment, operation and maintenance of a mobile-access system. Identify the benefits to the various categories of user, arising from the addition of a mobile-access facility.
Arrival at time t = 1, length 3; arrival at t = 2, length 1. Buffer 3: arrival at time t = 3, length 5. You need to find out the finish tag, order of transmission and actual packet completion times for each packet arrival.
Describe in scholarly detail status of 3G and 4G network technologies and even challenge yourself to find out any research on future of 5G technology.
Determine successive values of congestion window in bytes?
There is an alphabet soup of protocols in TCP/IP - HTTP,FTP,SMTP,POP3,TCP,UDP,IP,ARP,ICMP, and others. What are the characteristics of these protocols? What are they used for?
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