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Describe what wireless network modulation schemes are and why they are essential in wireless networking. Choose one of the modulation schemes and sum-up it. Write down the main differences with other schemes? Explain why is there a requirement for different modulation schemes?
Which of data hazards can be prevented if forwarding is added to datapath? For each such hazards, list register number and two instructions involved.
In second strategy, packets are not acknowledged individually, but whole file is acknowledged when it arrives. Explain the two approaches.
Implement client and server programs on bank ATM application. Give error checking if amount is legal and userID/password (created in the 1st time).
Explain the purposes of POE in WLAN design. Provide at least 3 scenarios of POE being used as the prime element in WLAN design to address the projects cost
Research three web browsers. For each browser, try to use it to at least access, if not actively work with, each of the following type of common web sites.
It is significant to know what issues are for encrypting data in the database. Comment on what you think is most significant obstacle to encryption. Describe your position.
Twenty-four voice signals are to be multiplexed and transmitted over twisted pair. Determine total bandwidth needed if frequency division multiplexing is used?
Assume two hosts, A and B, are separated by 20,000 kilometers and are connected by direct link of R = 1 Mbps. Determine the bandwidth-delay product, R * Tprop?
Describe some of the advantages of having a componentized system. For example, what happens if the microwave breaks?
Keep track of number of products keeping in machine and amount of money customer has inserted. Two processes are utilized, one which accepts money and keeps track of amount paid.
Describe how the greater reach of telecommunication networks today affects the security of resources which an organisation provides for its employees and customers.
How does third-party plug-ins change process of diagnosing and troubleshooting errors within application? What steps would you take in diagnosing the application which has been changed from its original state?
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